Electrical Center Identification Views. GMC Truck Sierra Classic

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Classic - 4WD 🢒 Safety and Security 🢒 Supplemental Inflatable Restraints 🢒 Electrical Center Identification Views

Connector 1:	Fuse Block - Underhood Label
Connector 2:	Fuse Block - Underhood Top View
Connector 3:	Fuse Block - Underhood Bottom View
Connector 4:	Fuse Block - Underhood C1
Connector 5:	Fuse Block - Underhood C2
Connector 6:	Fuse Block - Underhood C3
Connector 7:	Fuse Block - Underhood C4
Connector 8:	Fuse Block - Underhood C5
Connector 9:	Fuse Block - Underhood C6
Connector 10:	Fuse Block - Underhood C7
Connector 11:	Fuse Block - Underhood C9
Connector 12:	Fuse Block - Underhood - Cooling Fan (10 Series)
Connector 13:	Fuse Block - Underhood - Cooling Fan Top View (10 Series)
Connector 14:	Fuse Block - Underhood - Cooling Fan Bottom View (10 Series)
Connector 15:	Fuse Block - Underhood - Cooling Fan (10 Series) Wire Entry
Connector 16:	Fuse Block - Underhood - Cooling Fan (10 Series) Connector
Connector 17:	Fuse Block - Underhood - Secondary Label (HP2)
Connector 18:	Fuse Block - Underhood - Secondary Top View (HP2)
Connector 19:	Fuse Block - Underhood - Secondary Bottom View (HP2)
Connector 20:	Fuse Block - Underhood - Secondary Wire Entry (HP2)
Connector 21:	Fuse Block - I/P Label
Connector 22:	Fuse Block - I/P Top View (Except YE9)
Connector 23:	Fuse Block - I/P Top View (YE9)
Connector 24:	Fuse Block - I/P Bottom View
Connector 25:	Fuse Block - I/P C1
Connector 26:	Fuse Block - I/P C2
Connector 27:	Fuse Block - I/P C3
Connector 28:	Fuse Block - I/P C4 (Crew Cab)
Connector 29:	Relay Block - I/P Label
Connector 30:	Relay Block - I/P Top View
Connector 31:	Relay Block - I/P Bottom View
Connector 32:	Relay Block - I/P C1
Connector 33:	Relay Block - I/P C3
Connector 34:	Relay Block - I/P C4
Connector 35:	Relay Block - I/P C5
Connector 36:	Relay Block - I/P C7 (Z82)
Connector 37:	Relay Block - I/P C8 (5G4/5X7/5Y0/TRW)
Connector 38:	Relay Block - I/P C9
Connector 39:	Relay Block - I/P C10
Connector 40:	Junction Block - I/P Top View
Connector 41:	Junction Block - I/P C1 - Bottom View
Connector 42:	Junction Block - I/P Wire Entry
Connector 43:	Junction Block - I/P C2
Connector 44:	Junction Block - I/P C4
Connector 45:	Junction Block - I/P C5
Connector 46:	Junction Block - I/P C6
Connector 47:	Junction Block - I/P C7
Connector 48:	Junction Block - I/P C8
Connector 49:	Junction Block - Rear Lamps
Connector 50:	Junction Block - Rear Lamps C1
Connector 51:	Junction Block - Rear Lamps C2
Connector 52:	Junction Block - Rear Lamps C3
Connector 53:	Junction Block - Rear Lamps C4

Fuse Block - Underhood Label

Fuse Block - Underhood Label Usage

Device	Rating	Description
STUD 1 Fuse	--	Trailer Wiring, Auxiliary Battery Relay and Battery Right - TP2, AUX HTR PMP Fuse - HP2, ESCM Fuse - HP2, HCM-B Fuse - HP2 and TRANS PUMP Fuse - HP2
MBEC 1 Fuse	50A	SEAT CB, RT DOOR CB
BLWR Fuse	40A	Blower Motor
LBEC 2 Fuse	50A	LCKS Fuse, DDM Fuse, PDM Fuse, ECC/TPM Fuse, AUX PWR 2 Fuse
STUD 2 Fuse	30A	Trailer Wiring, Emergency Vehicle Roof Lamp Relay - 5YO
ABS Fuse	60A	Electronic Brake Control Module (EBCM)
VSES/ECAS Fuse	60A	Not Used
IGN A Fuse	40A	Ignition Switch RUN, START, RUN/START/ACCY, STRTR Relay
IGN B Fuse	40A	Ignition Switch RUN/ACC, RUN/START
LBEC 1 Fuse	50A	HAZRD Fuse, TBC 2A Fuse, TBC 2B Fuse, TBC 2C Fuse, LT DOORS C.B.
TRL PARK Fuse	15A	Trailer Wiring
RR PARK Fuse	10A	Exterior Lamps - Right Rear, Clearance Lamps - Right
LR PARK Fuse	10A	Exterior Lamps - Left Rear, Clearance Lamps - Left
PARK LP Relay	--	TRL PARK Fuse, LR PARK Fuse, RR PARK Fuse, FRT PARK Fuse, INT PARK Fuse
STRTR Relay	--	Starter
INTPARK Fuse	10A	Power Take-Off (PTO) Switch, Inflatable Restraint I/P Module Disable Switch, HD Trailering Equiptment Provisional - Z82
STOP LP Fuse	25A	Stop Lamp Switch
TBC BATT Fuse	10A	Body Control Module (BCM)
S/ROOF Fuse	25A	Sunroof Module Control
SEO B2 Fuse	30A	Roof Beacon Relay - 5G4
4WS Fuse	15A	Evaporative Emission (EVAP) Canister Vent Solenoid
RR HVAC	30A	Not Used
AUX PWR Fuse	20A	Accessory Power Outlets, Auxiliary Power Outlets
PCM 1 Fuse	15A	Powertrain Control Module (PCM), Mass Air Flow (MAF) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid, Fuel Composition Sensor, Secondary Fuel Pump Relay
ETC/ECM Fuse	15A	Throttle Actuator Control (TAC)
INJ 1 Fuse (Gas)/ACTUATOR Fuse (Diesel) #2	15A	Fuel Injectors - Odd-Numbered, Ignition Coils - Odd-Numbered - Gas
INJ 1 Fuse (Gas)/ACTUATOR Fuse (Diesel) #2	15A	Engine Control Module (ECM) - Diesel
INJ 2 Fuse (Gas)/ECM Fuse (Diesel) #1	15A	Fuel Injectors - Even-Numbered, Ignition Coils - Even-Numbered - Gas
INJ 2 Fuse (Gas)/ECM Fuse (Diesel) #1	25A	Engine Control Module (ECM) - Diesel
IGN E Fuse	10A	A/C COMP Relay, Park/Neutral Position (PNP) Switch, Turn Signal/Multifunction Switch, Headlamp Leveling Components, Clutch Start Switch
IGN 1 Relay (Gas)/ECM Relay (Diesel) #5	--	SBA Fuse, ETC/ECM Fuse, PCM 1 Fuse, INJ 1 Fuse, INJ 2 Fuse
IGN 1 Relay (Gas)/ECM Relay (Diesel) #5	--	ACTUATOR Fuse, ECM Fuse - Diesel
RTD Fuse	30A	Not Used
TRL B/U Fuse	10A	Body Control Module (BCM), Trailer Wiring, Backup Alarm
PCM B Fuse (Gas)/ECM B Fuse (Diesel)	20A	Powertrain Control Module, F/PMP Relay - Gas
PCM B Fuse (Gas)/ECM B Fuse (Diesel)	20A	Engine Control Module (ECM ) - Diesel
F/PMP Relay	--	Fuel Pump
O2 A Fuse (Gas)/FUEL HTR Fuse (Diesel) #3	15A	Heated Oxygen Sensors - Upstream - Gas
O2 A Fuse (Gas)/FUEL HTR Fuse (Diesel) #3	15A	Fuel Heater, Glow Plug Controller, Intake Air (IA) Heater Relay, EGR System Components - Diesel
B/U LP Fuse	20A	Park/Neutral Position (PNP) Switch - A/T, Backup Lamp Switch - M/T
RR DEFOG Fuse	30A	DEFOG Relay
HDLP - HI Relay	--	HI HDLP - LT Fuse, HI HDLP - RT Fuse
O2 B Fuse (Gas)/EMC 1 Fuse (Diesel) #4	15A	Heated Oxygen Sensors - Downstream - Gas
O2 B Fuse (Gas)/EMC 1 Fuse (Diesel) #4	15A	MAF/IAT Sensor, Engine Control Module (ECM) - Diesel
AIRBAG Fuse	15A	Inflatable Restraint Sensing and Diagnostic Module (SDM), Memory Seat Module-Passenger, Inside Rearview Mirror
FRT PARK Fuse	10A	Park/Turn Signal Lamps - Front, Marker Lamps - Front
DRL Relay	--	DRL Lamp - LT, DRL Lamp - RT
SEO IGN Fuse	10A	DEFOG Relay, Instrument Panel Cluster (IPC) - (8S8), Selectable Ride Switch - ZX3
TBC IGN 1 Fuse	10A	Body Control Module (BCM)
HI HDLP-LT Fuse	10A	Headlamp - High Beam - Left
LH HID Fuse	20A	Not Used
DRL Fuse	10A	DRL Relay
RVC Fuse	10A	Generator Battery Control Module
IPC/DIC Fuse	10A	Instrument Panel Cluster (IPC)
HVAC/ECAS Fuse	10A	HVAC Control Module
CIG LTR Fuse	15A	Cigar Lighter, Data Link Connector (DLC)
HI HDLP RT Fuse	10A	Highbeam Headlamp - Right
HDLP-LOW Relay	--	LO HDLP - LT Fuse, LO HDLP - RT Fuse
A/C COMP Relay	--	A/C Compressor Clutch
A/C COMP Fuse	10A	A/C Compressor Clutch Relay
TCM B	10A	Transmission Control Module (TCM)
RR WPR	25A	Not Used
RADIO Fuse	15A	Radio, Rear Seat Audio (RSA), Digital Radio Receiver - U2K
SEO B1 Fuse	15A	Instrument Panel Cluster (IPC) - 8S8, Overhead Console, Roof Beacon Switch
LO HDLP-LT Fuse	10A	Headlamp - Low Beam - Left
BTSI Fuse	10A	Stop Lamp Switch
CRNK Fuse	10A	Powertrain Control Module (PCM) - Gas, Engine Control Module (ECM) - Diesel, Transmission Control Module (TCM) - MW7
LO HDLP-RT Fuse	10A	Headlamp - Low Beam - Right
FOG LP Relay	--	Fog Lamp - RF, Fog Lamp - LF
FOG LP Fuse	15A	FOG LP Relay
HORN Relay	--	HORN Fuse
W/S WASH Relay	--	Windshield Washer Fluid Pump
W/S WASH Fuse	15A	W/S WASH Relay
INFO Fuse	15A	Vehicle Communication Interface Module (VCIM) - UE1, Rear Seat Entertainment (RSE) Assembly - U42, Remote Playback Device - CD Playe r - U1S
RADIO AMP Fuse	30A	Audio Amplifier
RH HID Fuse	20A	Not Used
HORN Fuse	15A	Horn - Left, Horn - Right
EAP Fuse	15A	Not Used
TREC Fuse	30A	Transfer Case Encoder Motor, Transfer Case Shift Control Module
SBA Fuse	15A	Supplemental Brake Assist (SBA), Fuel Pump Relay - Secondary - w/o NQZ

Fuse Block - Underhood Top View

Fuse Block - Underhood Bottom View

Fuse Block - Underhood C1

Connector Part Information

OEM: 12193905
Service: 12193905
Description: 68-Way F Metri-Pack 280 Series Flexlock (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood C1

Pin	Wire Color	Circuit No.	Function
A1-A2	--	--	Not Used
A3	YE	5	Crank Voltage
A4	--	--	Not Used
A5	OG	4340	Battery Positive Voltage
A6	PK	39	Ignition 1 Voltage
A7	YE	1139	Ignition 1 Voltage
A7	YE	1139	Ignition 1 Voltage (C99)
A8	L-GN/BK	584	A/T Shift Lock Control Switch Supply Voltage (A/T)
A9	PK	3	Ignition 1 Voltage
A10	--	--	Not Used
A11	D-GN	1433	Park/Neutral Start Switch Signal (MG5/ML6/MW3/MW7)
A12	BN	2409	Interior Park Lamps Supply Voltage
A12	BN	2409	Interior Park Lamps Supply Voltage
B1	OG	1640	Battery Positive Voltage (NP8)
B2	OG	2268	Windshield Washer Relay Control
B3	D-GN/WH	1317	Fog Lamp Relay Control (T96)
B3	D-GN/WH	1317	Fog Lamp Relay Control (T96)
B4-B7	--	--	Not Used
B8	OG	1840	Battery Positive Voltage
B9	BK/WH	1969	Headlamp Relay Control/Headlamp High Beam Relay Control
B10	--	--	Not Used
B11	OG	3840	Battery Positive Voltage (CF5)
B12	RD	142	Battery Positive Voltage
C1	OG	1640	Battery Positive Voltage (NP8)
C2	OG	3240	Battery Positive Voltage
C3	BK	28	Horn Relay Control
C3	BK	28	Horn Relay Control
C4-C5	--	--	Not Used
C6-C7	--	--	Not Available
C8	--	--	Not Used
C9	PK	1020	Ignition 0 Voltage
C10	OG	1040	Battery Positive Voltage
C11	--	--	Not Used
C12	PU	420	TCC Brake Switch/Cruise Control Release Signal
D1-D2	--	--	Not Used
D3	PK/WH	1970	Headlamp Low Beam Relay Control
D4	OG	340	Battery Positive Voltage
D4	OG	340	Battery Positive Voltage (UQ3/UQ5/UQ7)
D5	OG	640	Battery Positive Voltage
D5	OG	640	Battery Positive Voltage
D6-D7	--	--	Not Available
D8-D9	--	--	Not Used
D10	PK	639	Ignition 1 Voltage
D11	--	--	Not Used
D12	OG	1140	Battery Positive Voltage - BCM
E1-E2	--	--	Not Used
E3	L-GN /BK	592	DRL Relay Control
E4	OG	4540	Battery Positive Voltage (8S8)
E4	OG	4540	Battery Positive Voltage
E5	--	--	Not Used
E6	BN/WH	1571	Traction Control Switch Signal (NW7)
E7	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
E8	--	--	Not Used
E9	D-GN	591	Ignition 1 Voltage (HP2)
E10	D-BU	2115	Right Turn Signal Lamps Supply Voltage
E11	OG	2340	Battery Positive Voltage
E12	--	--	Not Used
F1	PK	139	Ignition 1 Voltage (w/JC4 or w/o NQZ)
F2	OG	3740	Battery Positive Voltage
F3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
F4	--	--	Not Used
F5	PK	739	Ignition 1 Voltage (8S8)
F5	PK	739	Ignition 1 Voltage
F6	PK	639	Ignition 1 Voltage (w/o 8S8)
F6	PK	639	Ignition 1 Voltage (Except Diesel/8.1L w/MW7)
F7	OG	2840	Battery Positive Voltage (w/o 8S8)
F8-F9	--	--	Not Used
F10	GY	1524	Backup Lamp Supply Voltage (w/o MW7)
	L-GN	24	Backup Lamp Supply Voltage (MW7)
	L-GN	24	Backup Lamp Supply Voltage (MW7)
F11	WH	1080	Park Lamp Relay Control
F12	OG	1540	Battery Positive Voltage

Fuse Block - Underhood C2

Connector Part Information

OEM: 12193906
Service: 12193906
Description: 68-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood C2

Pin	Wire Color	Circuit No.	Function
A1-A2	--	--	Not Used
A3	D-GN	59	A/C Compressor Clutch Supply Voltage (CJ2/CJ3)
A4-A6	--	--	Not Used
A7	D-GN/WH	465	Fuel Pump Relay Control - Primary
A8	OG	440	Battery Positive Voltage (MW7)
A9	PK	1339	Ignition 1 Voltage
A10	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage (KUP)
A11	GY	1524	Backup Lamp Supply Voltage Signal (Diesel)
A11	GY	1524	Trailer Backup Lamp Supply Signal
A12	PK	439	Ignition 1 Voltage (L59)
A12	PK	439	Ignition 1 Voltage (EVA)
B1	--	--	Not Used
B2	OG	3440	Battery Positive Voltage (8.1L/PTO)
B3	BK/WH	1695	Axle Switch Signal
B3	BK/WH	1695	Axle Switch Signal
B4-B6	--	--	Not Used
B7	BK	550	Ground
B8	OG	440	Battery Positive Voltage
B8	OG	440	Battery Positive Voltage
B9	PK	1039	Ignition 1 Voltage
B9	PK	1039	Ignition 1 Voltage (Diesel)
B10	PK	439	Ignition 1 Voltage - MAF/IAT Sensor (Gas)
B10	PK	439	Ignition 1 Voltage - PCM (Gas)
B11-B12	--	--	Not Used
C1-C2	--	--	Not Used
C3	D-GN/WH	459	A/C Compressor Clutch Relay Control (CJ2/CJ3)
C4-C5	--	--	Not Used
C6-C7	--	--	Not Available
C8-C9	--	--	Not Used
C10	PK	1039	Ignition 1 Voltage (Except 4.3L)(Gas)
C10	PK	1039	Ignition 1 Voltage (Gas)
C11	--	--	Not Used
C12	PU	420	TCC Brake Switch/Cruise Control Release Signal
C12	PU	420	TCC Brake Switch/Cruise Control Release Signal (MW7)
D1-D2	--	--	Not Used
D3	L-GN	275	Park Neutral Position Switch Park Signal
D4	--	--	Not Used
D5	RD/WH	4740	Battery Positive Voltage (10 Series Except HP2)
D5	RD/WH	4740	Battery Positive Voltage (10 Series Except HP2)
D6-D7	--	--	Not Available
D8	PK	539	Ignition 1 Voltage - HO2S Bank 1 Sensor 1(Gas except HP2)
	PK	539	Ignition 1 Voltage - HO2S Bank 2 Sensor 1(Gas except HP2)
	PK	239	Ignition 1 Voltage (Diesel)
	PK	239	Ignition 1 Voltage (Diesel)
D9	PK	1239	Ignition 1 Voltage (Gas)
	PK	339	Ignition 1 Voltage (Diesel)
	PK	339	Ignition 1 Voltage (Diesel)
D10	PK	1039	Ignition 1 Voltage (Gas)
D10	PK	1039	Ignition 1 Voltage (Gas)
D11	PU	6	Starter Solenoid Crank Voltage (w/o HP2)
D12	YE/BK	625	Starter Enable Relay Control (Except HP2)
E1-E5	--	--	Not Used
E6	PK	1239	Ignition 1 Voltage - Fuel Injector 2 (Gas)
	PK	1239	Ignition 1 Voltage - Fuel Injector 4 (Gas)
	GY/BK	2219	FICM Relay Control (Diesel)
E7	PK	1539	Ignition 1 Voltage - HO2S - Bank 1 Sensor 2 (Gas except HP2)
	PK	1539	Ignition 1 Voltage - HO2S - Bank 2 Sensor 2 (Gas except HP2)
	PK	439	Ignition 1 Voltage - MAF/IAT Sensor (Diesel)
	PK	439	Ignition 1 Voltage - ECM (Diesel)
E8-E9	--	--	Not Used
E10	PK	1239	Ignition 1 Voltage (Gas) (Except 4.3L)
E10	PK	1239	Ignition 1 Voltage (Gas)
E11	PK	1020	Ignition 0 Voltage (A/T Except MW7)
E11	PK	1020	Ignition 0 Voltage
E12	--	--	Not Used
F1-F2	--	--	Not Used
F3	PU	806	Crank Voltage
F3	PU	806	Crank Voltage (MW7)
F4-F7	--	--	Not Used
F8	PK	839	Ignition 1 Voltage
F9	PK	639	Ignition 1 Voltage (GAS)
F10	PK	1020	Ignition 0 Voltage
F10	PK	1020	Ignition 0 Voltage (MW7 or HP2)
F11	D-GN	1433	Park/Neutral Start Switch Signal (Except HP2)
	BK	550	Ground (Diesel w/MW7)
	PK	639	Ignition 1 Voltage (8.1L w/MW7)
F12	--	--	Not Used

Fuse Block - Underhood C3

Connector Part Information

OEM: 12193916
Service: 12193916
Description: 32-Way F Metri-Pack 280 Series (RD)

Terminal Part Information

Pins: A3-A5, B1, B3, B6, C2, C6, E4, F1, F4, F6
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A3, B3, B6, C2, C6, F1, F4, F6 - C/A
Core/Insulation Crimp: Pins A4, A5, B1, E4 - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C3-C4, D3-D4
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood C3

Pin	Wire Color	Circuit No.	Function
A1-A2	--	--	Not Used
A3	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A4	OG	2640	Battery Positive Voltage (Gas)
A5	PU	420	TCC Brake Switch/Cruise Control Release Signal
A6	--	--	Not Used
B1	BK/WH	1695	Axle Switch Signal (NP2)
B2	--	--	Not Used
B3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
B4-B5	--	--	Not Used
B6	BN	2109	Trailer Park Lamps Supply Voltage
C1	--	--	Not Used
C2	L-GN	1624	Trailer Backup Lamps Supply Voltage (8S3)
C2	L-GN	1624	Trailer Backup Lamps Supply Voltage
C3-C4	--	--	Not Available
C5	--	--	Not Used
C6	BN/WH	2609	Right Rear Park Lamps Supply Voltage
D1-D2	--	--	Not Used
D3-D4	--	--	Not Available
D5-D6	--	--	Not Used
E1-E3	--	--	Not Used
E4	BK	550	Ground
E5-E6	--	--	Not Used
F1	GY	120	Fuel Pump Supply Voltage
F1	GY	120	Fuel Pump Supply Voltage (Except NQZ)
F2-F3	--	--	Not Used
F4	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
F5	--	--	Not Used
F6	BN	2509	Left Rear Park Lamps Supply Voltage

Fuse Block - Underhood C4

Connector Part Information

OEM: 12193914
Service: 12193914
Description: 32-Way F Metri-Pack 280 Series (GN)

Terminal Part Information

Pins: A3-A6, B2, C1, C5-C6, E1-E3, F4-F5
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A3, C1, C5, E1, F4-F5 - C/A
Core/Insulation Crimp: Pins A4, A6, B2, C6, E2-E3 - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C3-C4, D3-D6
Terminal/Tray: 12110842/4
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Underhood C4

Pin	Wire Color	Circuit No.	Function
A1-A2	--	--	Not Used
A3	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A3	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A4	BK	550	Ground
A4	BK	550	Ground
A5	--	--	Not Used
A6	D-GN	1329	Left Horn Fuse Supply Voltage
A6	D-GN	1329	Right Horn Fuse Supply Voltage
B1	--	--	Not Used
B2	D-BU	545	Left DRL Supply Voltage
B2	D-BU	545	Right DRL Supply Voltage
B3-B6	--	--	Not Used
C1	BN	2309	Left Front Park Lamps Supply Voltage
C1	BN	2309	Right Front Park Lamps Supply Voltage
C2	--	--	Not Used
C3-C4	--	--	Not Available
C5	BN	2309	Front Park Lamps Supply Voltage
C5	BN	2309	Front Park Lamps Supply Voltage
C6	RD	228	Windshield Washer Pump Control
D1-D2	--	--	Not Used
D3-D4	--	--	Not Available
D5	--	--	Not Used
D6	PU	34	Left Fog Lamps Supply Voltage (T96)
D6	PU	34	Right Fog Lamps Supply Voltage (T96)
E1	L-BU	2114	Left Turn Signal Lamps Supply Voltage
E1	L-BU	2114	Left Turn Signal Lamps Supply Voltage
E2	D-GN/WH	711	Left Headlamp High Beam Supply Voltage
E3	L-GN/BK	311	Right Headlamp High Beam Supply Voltage
E4-E6	--	--	Not Used
F1-F3	--	--	Not Used
F4	YE	712	Left Headlamp Low Beam Supply Voltage
F5	TN/WH	312	Right Headlamp Low Beam Supply Voltage
F6	--	--	Not Used

Fuse Block - Underhood C5

Connector Part Information

OEM: 15393171
Service: 88986444
Description: 2-Way F J-Type (GY)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood C5

Pin	Wire Color	Circuit No.	Function
A	RD	842	Battery Positive Voltage
B	RD	542	Battery Positive Voltage

Fuse Block - Underhood C6

Connector Part Information

OEM: 15393172
Service: 88986445
Description:

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood C6

Pin	Wire Color	Circuit No.	Function
A	RD	642	Battery Positive Voltage
B	--	--	Not Used

Fuse Block - Underhood C7

Connector Part Information

OEM: 15393168
Service: 88986443
Description: 2-Way F J-Type (BK)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood C7

Pin	Wire Color	Circuit No.	Function
A	RD	342	Battery Positive Voltage
A	RD	342	Battery Positive Voltage (HP2)
B	RD	42	Battery Positive Voltage

Fuse Block - Underhood C9

Connector Part Information

OEM: 15393170
Service: 88986446
Description: 2-Way F J-Type (NA)

Terminal Part Information

Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood C9

Pin	Wire Color	Circuit No.	Function
A	RD	442	Battery Positive Voltage
B	--	--	Not Used

Fuse Block - Underhood - Cooling Fan (10 Series)

Fuse Block - Underhood - Cooling Fan (10 Series)

Device	Rating	Description
Cool/Fan Fuse	40A	Cool/Fan 1 Relay
Cool/Fan Fuse	40A	Cool/Fan 2 Relay
Cool/Fan Fuse	10A	Cool/Fan 3 Relay
Cool/Fan 1 Relay	--	Cooling Fan - Left
Cool/Fan 2 Relay	--	Cooling Fan - Left and Right High Speed
Cool/Fan 3 Relay	--	Cooling Fan - Left and Right Low Speed

Fuse Block - Underhood - Cooling Fan Top View (10 Series)

Fuse Block - Underhood - Cooling Fan Bottom View (10 Series)

Fuse Block - Underhood - Cooling Fan (10 Series) Wire Entry

Connector Part Information

OEM: 15490629
Service: See Catalog
Description: 29-Way F PA66 GF14 Series (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood - Cooling Fan (10 Series) Wire Entry

Pin	Wire Color	Circuit No.	Function
A1	BK	250	Ground
A2	--	--	Battery Positive Voltage Bus
A3	D-BU	473	High Speed Cooling Fan Control
A4	L-BU	409	Cooling Fan Motor Supply Voltage
A6	--	--	Cooling Fan Motor Supply Voltage
A8	--	--	Battery Positive Voltage Bus
B1	--	--	Not Used
B3	YE	5358	Cooling Fan Motor Control
B6	D-BU	473	High Speed Cooling Fan Control
B8	--	--	Battery Positive Voltage Bus
C1	--	--	Not Used
C7	--	--	Battery Positive Voltage Bus
C8	--	--	Battery Positive Voltage Bus
D1	--	--	Battery Positive Voltage Bus
D2	--	--	Battery Positive Voltage Bus
E1-E2	--	--	Not Used
E3	GY	532	Cooling Fan Motor Supply Voltage
E5	--	--	Battery Positive Voltage Bus
F1-F2	--	--	Not Used
F3	D-GN	335	Low Speed Cooling Fan Control
F5	--	--	Battery Positive Voltage Bus
G5	--	--	Battery Positive Voltage Bus
G6	--	--	Battery Positive Voltage Bus
G7	--	--	Not Used
G8	--	--	Battery Positive Voltage
H7-H8	--	--	Not Used

Fuse Block - Underhood - Cooling Fan (10 Series) Connector

Connector Part Information

OEM: 12160893
Service: 15306159
Description: 1-Way F Metri-Pack 800 Series Flexlock Maxi (BK)

Terminal Part Information

Terminal/Tray: 12092445/18
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood - Cooling Fan (10 Series) Connector

Pin	Wire Color	Circuit No.	Function
A	RD	1	Battery Positive Voltage

Fuse Block - Underhood - Secondary Label (HP2)

Fuse Block - Underhood - Secondary Label Usage

Device	Rating	Description
HYBRID PWR Fuse	30A	Electronic Power Take-Off (EPTO) Switch, AUX HTR PMP and TRANS PMP Relays, Heated Oxygen Sensors
HYBRID O2B	15A	Heated Oxygen Sensors Bank 2 Sensor 1 and Bank 1 Sensor 2
AUX HTR PUMP	10A	AUX HTR Pump Relay
ESCM	15A	Energy Storage Control Module (ESCM)
HCM-I	10A	Starter Generator Control Module and Hybrid Control Module (HCM)
HYBRID O2A	15A	Heated Oxygen Sensor Bank 2 Sensor 1 and Bank 1 Sensor 1
TRANS PUMP	15A	Trans Pump Relay
HCM-B	10A	Hybrid Control Module (HCM)
EHPS-I	10A	Electro Hydraulic Power Steering (EHPS) Module
COOL PUMP	15A	Starter/Generator Control Module Coolant Pump
PWR MAINT	10A	Electronic Power Take-Off (EPTO) Switch, AUX HTR Pump Relay, TRANS PMP Relay, and Park/Neutral Position Switch
SCGM COOL PUMP/FAN RELAY	--	REDBOX Coolant Pump and Fan
AUX HTR PUMP RELAY	--	Auxiliary Heater Pump
TRANS PUMP RELAY	--	Transmission Pump
PWR MAINT RELAY	--	Electronic Power Take-Off (EPTO) Switch, AUX HTR Pump Relay, TRANS PMP Relay, Park/Neutral Position Switch, and Heated Oxygen Sensors

Fuse Block - Underhood - Secondary Top View (HP2)

Fuse Block - Underhood - Secondary Bottom View (HP2)

Fuse Block - Underhood - Secondary Wire Entry (HP2)

Connector Part Information

OEM: 15424711
Service: See Catalog
Description: 66-Way F PA66 GF14 Series (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - Underhood - Secondary Wire Entry (HP2)

Pin	Wire Color	Circuit No.	Function
A1	YE	5541	Power Maintain Relay Contact Control
A2	RD	342	Battery Positive Voltage
A3	PU	5538	Auxiliary Transmission Fluid Pump Relay Control
A4	PK	1639	Ignition 1 Voltage
B1-B4	--	--	Not Used
C1	PU/WH	5539	Power Maintain Relay Coil Control
C2	RD	342	Battery Positive Voltage
C3	PK/WH	5537	Transmission Pump Relay Coil Control
C4	OG	540	Battery Positive Voltage
D1-D2	--	--	Not Used
D3	TN/WH	5543	Auxiliary Heater Pump Relay Contact Control
D4	PK	1639	Ignition 1 Voltage
E1-E4	--	--	Not Used
F1-F2	--	--	Not Used
F3	WH	5542	Auxiliary Heater Pump Relay Coil Control
F4	OG	740	Battery Positive Voltage
G1-G3	--	--	Not Used
G4	PK	1839	Ignition 1 Voltage
G5	PK	3	Ignition 1 Voltage
G6	PK	1939	Ignition 1 Voltage
H1-H2	--	--	Not Used
H3	RD	1542	Battery Positive Voltage
H4	OG	1940	Battery Positive Voltage
H5	--	--	Not Used
H6	OG	2740	Battery Positive Voltage
J1-J2	--	--	Not Used
J3	RD	1542	Battery Positive Voltage
J4	OG	540	Battery Positive Voltage
J5	--	--	Not Used
J6	OG	740	Battery Positive Voltage
K1	--	--	Not Used
K2	PK	1639	Ignition 1 Voltage
K3	YE	5541	Power Maintain Relay Contact Control
K4	PK	539	Ignition 1 Voltage
K4	PK	539	Ignition 1 Voltage
K5	--	--	Not Used
K6	PK	1539	Ignition 1 Voltage
K6	PK	1539	Ignition 1 Voltage
L1	--	--	Not Used
L2	L-BU	703	Coolant Pump Voltage
L3-L4	--	--	Not Used
L5	YE	5541	Power Maintain Relay Contact Control
L6	D-GN	591	Ignition 1 Voltage
M1	PK	2014	Coolant Pump Relay Control
M2	--	--	Not Used
M3	GY	960	Coolant Pump/Fan Relay Voltage
M4-M6	--	--	Not Used
N1	RD	342	Battery Positive Voltage
N2	--	--	Not Used
N3	RD	342	Battery Positive Voltage
N4-N6	--	--	Not Used

Fuse Block - I/P Label

Fuse Block - I/P Label Usage

Device	Rating	Description
RR WPR Fuse	15A	Not Used
SEO ACCY Fuse	10A	Upfitter Provisions
WS WPR Fuse	25A	Windshield Wiper Motor and Module
TBC ACCY Fuse	10A	Body Control Module (BCM)
IGN 3 Fuse	10A	Rear Wheel Steering Control Module
4WD Fuse	15A	Front Axle Actuator, Transfer Case Shift Control Switch, Auxiliary Battery Relay
HTR A/C Fuse	30A	HVAC Control Module
LCK Relay	--	Door Lock Actuators
HVAC 1 Fuse	10A	HVAC Control Module, HVAC Actuators
L DOOR - 12-WAY - BLACK	--	Fuse Block - Left I/P C3 (Driver Door Harness)
CRUISE Fuse	10A	Cruise Control Switch, Cruise Control Module, Steering Wheel Speed/Position Sensor, Power Take-Off (PTO) Switch
UNLCK Relay	--	Door Unlock Actuators
RR FOG LP Relay	--	Not Used
BRK Fuse	10A	Stop Lamp Switch, Electronic Brake Control Module (EBCM), Clutch Start Switch
DRIVER UNLCK Relay	--	Door Latch Assembly-Driver (Base)
IGN O Fuse	10A	Passlock Sensor, Automatic Transmission, Powertrain Control Module (PCM) - Gas, Engine Control Module (ECM) - Diesel
TBC IGN O Fuse	10A	Body Control Module (BCM)
VEH CHMSL Fuse	10A	Center High Mounted Stop Lamp (CHMSL)
LT TRLR ST/TRN Fuse	10A	Trailer Wiring Provisions
LT TRN Fuse	10A	Turn Signal Lamps - Left, Marker Lamps - Left, Driver Door Module (DDM), Instrument Panel Cluster (IPC)
VEH STOP Fuse	15A	Tail/Stop and Turn Signal Lamps-Rear, Throttle Actuator Control (TAC)
BODY - 12-WAY - BROWN	--	Fuse Block - Left I/P C4 (Body Harness)
RT TRLR ST/TRN Fuse	10A	Trailer Wiring Provisions
RT TRN Fuse	10A	Turn Signal Lamps - Right, Marker Lamps - Right, Front Passenger Door Module (FPDM), Instrument Panel Cluster (IPC)
DDM Fuse	15A	Driver Door Module (DDM)
AUX PWR 2/M GATE Fuse	20A	Not Used
LCKS Fuse	20A	Door Lock/Unlock Relays
ECC Fuse	10A	Not Used
TBC 2C Fuse	15A	Body Control Module (BCM)
HAZRD Fuse	25A	Turn Signal/Hazard Flasher Module
CB - LT DRS	25A	Window Switch - LR, Driver Door Module (DDM)
TBC 2B Fuse	15A	Body Control Module (BCM)
TBC 2A Fuse	15A	Body Control Module (BCM)
Turn Signal/Hazard Flasher Module	--	Turn Signal/Hazard Flashers

Fuse Block - I/P Top View (Except YE9)

Fuse Block - I/P Top View (YE9)

Fuse Block - I/P Bottom View

Fuse Block - I/P C1

Connector Part Information

OEM: 12193906
Service: 12193906
Description: 68-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - I/P C1

Pin	Wire Color	Circuit No.	Function
A1	--	--	Not Used
A2	L-BU	244	Passenger Door Lock Switch Lock Supply Voltage (AU3 w/o YE9)
A2	GY/BK	255	Power Door Lock Fuse Supply Voltage (Crew Cab w/YE9)
A3	--	--	Not Used
A4	D-BU	245	Passenger Door Lock Switch Unlock Supply Voltage (AU3 w/o YE9)
A4	TN/BK	254	Power Door Unlock Fuse Supply Voltage (Crew Cab w/YE9)
A5	--	--	Not Used
A6	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A7	OG	4240	Battery Positive Voltage (Except Base)
A8	YE	1618	Trailer Left Rear Turn/Stop Lamp Supply Voltage
A9	D-GN	1619	Trailer Right Rear Turn/Stop Lamp Supply Voltage
A10	--	--	Not Used
A11	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A11	D-BU	2115	Right Turn Signal Lamps Supply Voltage
A12	RD	42	Battery Positive Voltage
B1	YE	143	Accessory Voltage
B1	YE	143	Accessory Voltage
B2	YE	43	Accessory Voltage
B3-B5	--	--	Not Used
B6	L-GN	1391	Driver Door Unlock Relay Control (AU3 w/o YE9)
B7	--	--	Not Used
B8	WH	17	Stop Lamp Switch Signal
B9-B10	--	--	Not Used
B11	L-BU	195	Door Lock Control (AU3 w/o YE9)
B11	L-BU	195	Door Lock Control (AU3 w/o YE9)
B12	OG	2140	Battery Positive Voltage
C1	--	--	Not Used
C2	BN	141	Ignition 3 Voltage (C42)
C3	--	--	Not Used
C4	BN	41	Ignition 3 Voltage
C4	BN	41	Ignition 3 Voltage (w/PTO or K34)
C5	BN	441	Ignition 3 Voltage (NW7)
C8	L-BU	1620	Trailer CHMSL Supply Voltage
C8	L-BU	1620	Trailer CHMSL Supply Voltage
C9	GY	295	Door Lock Actuator Lock Control (w/o YE9)
C10-C12	--	--	Not Used
D1	YE	243	Accessory Voltage
D2	--	--	Not Used
D3	BN	341	Ignition 3 Voltage
D3	BN	341	Ignition 3 Voltage
D4	--	--	Not Used
D5	BN	441	Ignition 3 Voltage
D5	BN	441	Ignition 3 Voltage
D6-D8	--	--	Not Used
D9	WH	194	Door Unlock Control (AU3 w/o YE9)
D9	WH	194	Door Unlock Control (AU3 w/o YE9)
D10	BK/WH	1851	Ground
D11	TN	294	Door Lock Actuator Unlock Control (AU3 w/o YE9)
D12	--	--	Not Used
E1	BN	241	Ignition 3 Voltage (TP2)
E2	BN	241	Ignition 3 Voltage - Front Axle Actuator (NP1/NP2/NP8)
E2	BN	241	Ignition 3 Voltage - Transfer Case Control Switch (NP1/NP8)
E3	--	--	Not Used
E4	GY	118	Left Front Door Speaker Output (-) (UQ3/UQ5/UQ7)
E5	BN	1046	DDM Class 2 Serial Data (YE9)
E6	--	--	Not Used
E7	PK	1691	Automatic Day/Night Mirror Low Reference (DF5/DL3)
E8	WH	530	Ignition 0 Voltage
E9	--	--	Not Used
E10	RD	842	Battery Positive Voltage
E11	OG	4040	Battery Positive Voltage
E12	OG	2240	Battery Positive Voltage
F1-F2	--	--	Not Used
F3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
F3	L-BU	2114	Left Turn Signal Lamps Supply Voltage
F4	GY/BK	745	Left Front Door Ajar Switch Signal (w/o YE9)
F4	GY	1690	Automatic Day/Night Mirror Signal (DF5/DL3)
F5	TN	201	Left Front Door Speaker Output (+) (UQ3/UQ5/UQ7)
F6	BK	1050	Ground
F7	BN/WH	230	Fuel Pump Enable Control (AU3 w/o YE9)
F8	PK	1020	Ignition 0 Voltage
F9	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage (4.3L w/K34)
F9	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
F10-F12	--	--	Not Used

Fuse Block - I/P C2

Connector Part Information

OEM: 12193930
Service: 15306198
Description: 6-Way F Metri-Pack 280 Series Flexlock (BK)

Terminal Part Information

Pins: A, E-F
Terminal/Tray: 15324340/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: B-D
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P C2

Pin	Wire Color	Circuit No.	Function
A	OG	300	Ignition 3 Voltage
B	L-GN	1427	Right Turn Signal Switch Signal
C	D-GN	1428	Left Turn Signal Switch Signal
D	WH	111	Hazard Switch Signal
E	WH	1390	Ignition 0 Voltage
F	BN	4	Accessory Voltage

Fuse Block - I/P C3

Connector Part Information

OEM: 12194035
Service: 15306198
Description: 12-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: A-D, F-M
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A, B, D, H, J, K, M - E/C
Core/Insulation Crimp: Pins C, F, G, L - C/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C, M
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: F
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P C3

Pin	Wire Color	Circuit No.	Function
A	BN/WH	230	Instrument Panel Lamps Dimming Control (AU3 w/o YE9)
B	WH	194	Door Unlock Control (AU3 w/o YE9)
C	GY	295	Door Lock Actuator Lock Control (AU3 w/o YE9)
C	OG	1240	Battery Positive Voltage (YE9)
D	BK	1050	Ground (Except YE9)
	BK	1050	Ground (Except YE9)
	BK	1050	Ground (YE9)
E	--	--	Not Used
F	TN	694	Driver Door Lock Actuator Unlock Control (AU3 w/o YE9)
F	OG	4140	Battery Positive Voltage (Except Base)
G	TN	201	Left Front Speaker Output (+) (UQ3)
G	TN	201	Left Front Speaker Output (+)
H	PK	1691	Automatic Day/Night Mirror Low Reference (DF5/DL3)
J	L-BU	195	Door Lock Control (AU3 w/o YE9)
J	BN	1046	DDM Class 2 Serial Data
K	GY/BK	745	Left Front Door Ajar Switch Signal (w/o YE9)
K	GY	1690	Automatic Day/Night Mirror Signal (DF5/DL3)
L	GY	118	Left Front Speaker Output (-) (UQ3)
L	GY	118	Left Front Speaker Output (-)
M	BK	1851	Ground (AU3 w/o YE9)
M	L-BU	2114	Left Turn Signal Lamps Supply Voltage (YE9)

Fuse Block - I/P C4 (Crew Cab)

Connector Part Information

OEM: 15328768
Service: 89046826
Description: 12-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Fuse Block - I/P C4 (Crew Cab)

Pin	Wire Color	Circuit No.	Function
A-D	--	--	Not Used
E	TN	294	Door Lock Actuator Unlock Control (Crew Cab w/YE9)
E	TN	294	Door Lock Actuator Unlock Control (Crew Cab w/YE9)
F-J	--	--	Not Used
K	GY	295	Left Rear Door Lock Actuator Lock Control (Crew Cab w/YE9)
K	GY	295	Right Rear Door Lock Actuator Lock Control (Crew Cab w/YE9)
L	--	--	Not Used
M	OG	1240	Battery Positive Voltage (Crew Cab w/YE9)

Relay Block - I/P Label

Relay Block I/P Label Usage

Device	Rating	Description
SEO - 6-WAY - BLK	--	Mobile Radio and Emergency Lighting
TRAILER - 6-WAY - BRN	--	Trailer Provisions
UPFIT - 4-WAY - CRM	--	Upfitter Provisions
SL RIDE - 6-WAY - GRY	--	Manual Selectable Ride (MSR)
HDLNR 2 - 6-WAY - CRM	--	Air Temperature Assembly - Inside, Blower Motor Control Processor, HVAC Actuators, Inside Rearview Mirror
BODY - 12-WAY - WHT	--	Door Courtesy Lamps, Driver/Passenger Seat Modules, Heated Seat Module - LR/RR, Rear Window Defogger Grid, Automatic Occupant Sensing
DEFOG Relay (C49)	--	Rear Window Defogger Grid
HDLNR 1 - 6-WAY - BRN	--	Courtesy Reading Lamps, Garage Door Opener, Inside Rearview Mirror, Vanity Mirror Lamps
SPARE Relay	--	Not Used
CB - SEAT	30A	Driver/Passenger Seat Modules
CB - RT - DOOR	25A	Front Passenger Door Module (FPDM), Window Switch - RR
SPARE - 4-WAY - GRY	--	Not Used
INFO - 12-WAY - BLK	--	Rear Seat Audio (RSA) Module, OnStar Module, Audio Amplifier (Bose)

Relay Block - I/P Top View

Relay Block - I/P Bottom View

Relay Block - I/P C1

Connector Part Information

OEM: 12193905
Service: 12193905
Description: 68-Way F Metri-Pack 280 Series Flexlock (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Relay Block - I/P C1

Pin	Wire Color	Circuit No.	Function
A1	L-GN	24	Backup Lamp Supply Voltage
A1	L-GN	24	Backup Lamp Supply Voltage
A2	D-BU/WH	149	Cargo Lamp Low Control
A2	D-BU/WH	149	Cargo Lamp Low Control
A3	BK/WH	1704	Low Reference (DF5)
A4	D-GN/WH	636	Ambient Air Temperature Sensor Signal (DF5)
A5	BK/WH	1851	Ground
A5	BK/WH	1851	Ground
A6	WH	193	Rear Defog Relay Control (C49)
A7	--	--	Not Used
A8	BN/WH	230	Instrument Panel Lamps Dimming Control
A9	YE	1139	Ignition 1 Voltage
A10	D-GN/WH	817	Vehicle Speed Signal (JC4)
A11	BN/WH	230	Instrument Panel Lamps Dimming Control (NW7)
A11	BN/WH	230	Instrument Panel Lamps Dimming Control (NP8 or NP1)
A12	GY/BK	690	Courtesy Lamp Supply Voltage
B1	PK	1045	Serial Communications Circuit
B2	OG	3740	Battery Positive Voltage
B3	BK/WH	1851	Ground
B3	BK/WH	1851	Ground
B4	--	--	Not Used
B5	BK/WH	1851	Ground
B5	BK/WH	1851	Ground
B6	OG	1840	Battery Positive Voltage
B7	RD	642	Battery Positive Voltage
B8	BN/WH	230	Instrument Panel Lamps Dimming Control
B9	D-GN/WH	817	Vehicle Speed Signal
B9	D-GN/WH	817	Vehicle Speed Signal (Y91)
B10	--	--	Not Used
B11	OG	3240	Battery Positive Voltage
B12	--	--	Not Used
C1	OG	340	Battery Positive Voltage
C2	BN/WH	230	Instrument Panel Lamps Dimming Control (AU3 w/o YE9)
C2	BN/WH	230	Instrument Panel Lamps Dimming Control (CF5)
C3	BN/WH	230	Instrument Panel Lamps Dimming Control (UK3)
C3	BN/WH	230	Instrument Panel Lamps Dimming Control (U1S)
C4	--	--	Not Used
C5	BK/WH	1851	Ground
C8	BN/WH	230	Instrument Panel Lamps Dimming Control
C8	BN/WH	230	Instrument Panel Lamps Dimming Control
C9	OG	1340	Battery Positive Voltage
C10	BN	2409	Interior Park Lamps Supply Voltage
C11-C12	--	--	Not Used
D1	WH/BK	5515	Inside Air Temperature Sensor Assembly Control (CJ2)
D2	BN/WH	230	Instrument Panel Lamps Dimming Control (w/o YE9)
D2	BN/WH	230	Instrument Panel Lamps Dimming Control (Except 10 Series or Crew Cab)
D3	BN/WH	230	Instrument Panel Lamps Dimming Control (PTO/HP2)
D4	OG	1732	Inadvertent Power Supply Voltage
D5	BK/WH	1851	Ground
D8	BK/WH	1851	Ground (Y91)
D8	BK/WH	1851	Ground
D9	BK	1050	Ground
D10	BN	2409	Interior Park Lamps Supply Voltage (Except 10 Series or Crew Cab)
D11	--	--	Not Used
D12	OG	2340	Battery Positive Voltage
E1	BN	718	Low Reference (CJ2)
E2	PK	1691	Automatic Day/Night Mirror Low Reference (DF5/DL3)
E3	--	--	Not Used
E4	PU/WH	1382	LED Dimming Signal
E4	PU/WH	1382	LED Dimming Signal (NP1/NP8)
E5	BK/WH	1851	Ground (Y91 w/UQ7)
	BK/WH	1851	Ground (AU3 w/o YE9)
	BK/WH	1851	Ground (4.3L)
	BK/WH	1851	Ground (HP2)
E6	D-GN/WH	817	Vehicle Speed Signal
E7	PU/WH	1382	LED Dimming Signal
E7	PU/WH	1382	LED Dimming Signal
E8	BK/WH	1851	Ground
E8	BK/WH	1851	Ground
E9	--	--	Not Used
E10	RD	242	Battery Positive Voltage (Z82)
E11-E12	--	--	Not Used
F1	D-GN	734	Inside Air Temperature Sensor Signal (CJ2)
F2	GY	1690	Automatic Day/Night Mirror Signal (DF5/DL3)
F3	PK	739	Ignition 1 Voltage
F4	TN/WH	1384	Selective Ride Control Switch Signal (ZX3)
F5	BK/WH	1851	Ground (Y91 w/U2K)
	BK/WH	1851	Ground (JC4)
	BK/WH	1851	Ground (NP1/NP8)
F6	--	--	Not Used
F7	OG	4540	Battery Positive Voltage
F8	BK/WH	1851	Ground (UE1/Y91)
F9	L-BU	1620	Trailer CHMSL Supply Voltage (Z82)
F10	D-BU	47	Trailer Auxiliary Supply Voltage
F11	YE	243	Accessory Voltage
F12	--	--	Not Used

Relay Block - I/P C3

Connector Part Information

OEM: 15328768
Service: 89046826
Description: 12-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Relay Block - I/P C3

Pin	Wire Color	Circuit No.	Function
A	L-GN	24	Backup Lamp Supply Voltage (DL3)
B	--	--	Not Used
C	BK	1050	Ground
D	D-BU/WH	149	Cargo Lamp Low Control
E	YE	1139	Ignition 1 Voltage
F	D-GN	2308	Passenger Air Bag Off Indicator Control (AL0)
G	BK/WH	1704	Low Reference (DF5)
H	D-BU	2307	Passenger Air Bag On Indicator Control (AL0)
J	L-BU	1620	CHMSL Supply Voltage
K	D-GN/WH	636	Ambient Air Temperature Sensor Signal (DF5)
L	GY/BK	690	Courtesy Lamp Supply Voltage
L	GY/BK	690	Courtesy Lamp Supply Voltage (YE9/Y91)
M	OG	1732	Inadvertent Power Supply Voltage

Relay Block - I/P C4

Connector Part Information

OEM: 12193922
Service: 15306105
Description: 6-Way F Metri-Pack 280 Series Flexlock (CM)

Terminal Part Information

Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Relay Block - I/P C4

Pin	Wire Color	Circuit No.	Function
A	BN/WH	230	Instrument Panel Dimming Control (YE9/Y91 w/DK8)
B	PK	1691	Automatic Day/Night Mirror Low Reference (DL3/DF5)
C	GY	1690	Automatic Day/Night Mirror Signal (DL3/DF5)
D	D-GN	734	Inside Air Temperature Sensor Signal (CJ2)
E	BN	718	Low Reference
F	WH/BK	5515	Inside Air Temperature Sensor Assembly Control (CJ2)

Relay Block - I/P C5

Connector Part Information

OEM: 12193928
Service: 88988740
Description: 6-Way F Metri-Pack 280 Series Flexlock (GY)

Terminal Part Information

Pins: B-F
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins B, D- F - E/C
Core/Insulation Crimp: Pins C - C/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Relay Block - I/P C5

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	PU/WH	1382	LED Dimming Signal (ZX3)
B	PU/WH	1382	LED Dimming Signal (5G4/5X7/5Y0/TRW)
C	TN/WH	1384	Selective Ride Control Switch Signal (ZX3)
D	PK	739	Ignition 1 Voltage (ZX3)
E	BK	1050	Ground (ZX3)
F	BN/WH	230	Instrument Panel Lamps Dimming Control (ZX3)
F	BN/WH	230	Instrument Panel Lamps Dimming Control (5X7/5G4/TRW/5Y0)

Relay Block - I/P C7 (Z82)

Connector Part Information

OEM: 12193924
Service: 15306106
Description: 6-Way F Metri-Pack 280 Series Flexlock (WH)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Relay Block - I/P C7 (Z82)

Pin	Wire Color	Circuit No.	Function
A	BN	2409	Interior Park Lamps Supply Voltage
B	RD	242	Battery Positive Voltage
C	D-BU	47	Trailer Auxiliary Supply Voltage
D	L-BU	1620	Trailer CHMSL Supply Voltage
E	--	--	Not Used
F	BK	1050	Ground

Relay Block - I/P C8 (5G4/5X7/5Y0/TRW)

Connector Part Information

OEM: 12193930
Service: 15306107
Description: 6-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: A
Terminal/Tray: 15324340/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Pins: D- F
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Relay Block - I/P C8 (5G4/5X7/5Y0/TRW)

Pin	Wire Color	Circuit No.	Function
A	OG	2340	Battery Positive Voltage (5G4/TRW)
B-C	--	--	Not Used
D	YE	243	Accessory Voltage (9L4)
E	OG	4540	Battery Positive Voltage (5G4/5X7/5Y0/TRW)
F	BK	1050	Ground (5X7/5Y0/5G4/TRW)

Relay Block - I/P C9

Connector Part Information

OEM: 12194035
Service: 15306198
Description: 12-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: B, C, E, J, K
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins B, C - E/C
Core/Insulation Crimp: Pins E, J, K - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: D, M
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: H, L
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Relay Block - I/P C9

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	PK	1045	Serial Communications Circuit
C	D-GN/WH	817	Vehicle Speed Signal (UQ7 w/o Y91)
D	OG	3740	Battery Positive Voltage (UQ7 w/o Y91)
E	OG	340	Battery Positive Voltage (UQ7 w/o Y91)
E	ORN	340	Battery Positive Voltage (U2K w/o Y91)
F-G	--	--	Not Used
H	OG	3240	Battery Positive Voltage (UE1 w/o Y91)
H	OG	3240	Battery Positive Voltage (UE1 w/o Y91)
J	OG	3240	Battery Positive Voltage (U42 w/o Y91)
K	BK/WH	1851	Ground (U42)
K	BK/WH	1851	Ground (UE1)
L	BK/WH	1851	Ground (w/o Y91)
M	BK/WH	1851	Ground (UQ7 w/o Y91)
M	BK/WH	1851	Ground (U2K)

Relay Block - I/P C10

Connector Part Information

OEM: 15357030
Service: 89046825
Description: 12-Way F Metri-Pack 280 Series Flex-Lock (NA)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Relay Block - I/P C10

Pin	Wire Color	Circuit No.	Function
A-C	--	--	Not Used
D	D-GN	2308	Passenger Air Bag Off Indicator Control (AL0)
E	OG	1440	Battery Positive Voltage (AG2)
F	BN/WH	230	Instrument Panel Lamps Dimming Control (YE9 and Crew Cab)
F	BN/WH	230	Instrument Panel Lamps Dimming Control (YE9 and Crew Cab w/o Y91)
G	D-BU	2307	Passenger Air Bag On Indicator Control (AL0)
H	OG	1440	Battery Positive Voltage (AG1)
J	--	--	Not Used
K	OG	1340	Battery Positive Voltage (Crew Cab w/YE9)
L	PU	293	Rear Defog Element Supply Voltage (C49)
M	YE	1139	Ignition 1 Voltage (AL0)
M	YE	1139	Ignition 1 Voltage

Junction Block - I/P Top View

Junction Block - I/P C1 - Bottom View

Junction Block - I/P Wire Entry

Connector Part Information

OEM: 15401495
Service: See Catalog
Description: 48-Way F Metri-Pack 280 Series (BK)

Terminal Part Information

Pins: 2A, 2B, 2C, 2D, 2E, 4B, 4C, 4E, 4F, 5B, 5C, 5D, 5E, 6B, 6D, 6E, 7A, 7B, 7C, 7D, 7E, 7F, 8A, 8D, 8E, 8F
Terminal/Tray: 12034047/2
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 12094430/J-35616-5 (PU)

Pins: 2F, 4A, 4J, 4M, 8C
Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Pins: 4B, 4C, 4D, 4E, 4G, 4K, 6A, 6C, 7E
Terminal/Tray: 12084586/4
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-5 (PU)

Junction Block - I/P Wire Entry

Pin	Wire Color	Circuit No.	Function
2A	D-GN	117	Right Front Speaker Output (-) (UQ3/UQ5)
2A	D-GN	117	Right Front Speaker Output (-) (UQ7/Y91)
2B	L-GN	200	Right Front Speaker Output (+) (UQ3/UQ5)
2B	L-GN	200	Right Front Speaker Output (+) (UQ7/Y91)
2C	BK	1851	Ground (AU3 w/o YE9)
2D	BN/WH	230	Instrument Panel Lamps Dimming Control (AU3 w/o YE9/Y91)
2E	TN/WH	746	Right Front Door Ajar Switch Signal (w/o YE9)
2F	BK	1050	Ground
3A- 3F	--	--	Not Used
4A	BK	1050	Ground
4B	OG	52	Blower Motor High Control (C42 and CJ3)
4B	GY/BK	2337	Lower Right Air Temperature Sensor Signal (CJ2)
4C	PU	73	Medium 3 Blower Motor Control (C42 and CJ3)
4C	BN	718	Low Reference (CJ2)
4D	RD	542	Battery Positive Voltage
4E	TN	63	Blower Motor Medium 1 Control (C42 and CJ3)
4E	PU	1838	Recirculation Door Position Signal (CJ2)
4F	PU/WH	760	Blower Motor Speed Control (CJ2)
4G	YE	60	Blower Motor Low Control (C42/CJ3)
4H	--	--	Not Used
4J	L-BU/BK	1688	5-Volt Reference (CJ3/CJ2)
4K	L-BU	72	Medium 2 Blower Motor Control (CJ3/C42)
4L	--	--	Not Used
4M	YE	1791	Low Reference (CJ2/CJ3)
5A	--	--	Not Used
5B	L-GN	2275	Mode Door Position Signal (CJ2/CJ3)
5C	TN	2273	Mode Door Control (CJ2/CJ3)
5D	D-BU	1199	Left Air Temperature Door Control (CJ2/CJ3)
5E	L-BU	733	Left Air Temperature Door Position Signal (CJ2/CJ3)
5F	--	--	Not Used
6A	OG	3840	Battery Positive Voltage (CF5)
6B	BN	2409	Interior Park Lamps Supply Voltage
6C	BK	1050	Ground
6D	D-BU	1353	RAP Supply Voltage (CF5)
6E	BN/WH	230	Instrument Panel Lamps Dimming Control (CF5)
6F	--	--	Not Used
7A	GY	295	Door Lock Actuator Lock Control (AU3 w/o YE9)
7B	TN	1047	PDM Class 2 Serial Data
7C	OG	4240	Battery Positive Voltage (YE9)
7D	TN	294	Door Lock Actuator Unlock Control (AU3 w/o YE9)
7E	WH	194	Door Unlock Control (AU3 w/o YE9)
7E	OG	1340	Battery Positive Voltage (YE9)
7F	L-BU	195	Door Lock Control (AU3 w/o YE9)
7F	D-BU	2115	Right Turn Signal Lamps Supply Voltage (Except Base)
8A	WH/BK	2339	Lower Left Air Temperature Sensor Signal (CJ2)
8B	--	--	Not Used
8C	BN	341	Ignition 3 Voltage (CJ2/CJ3)
8D	D-BU	1646	Right Air Temperature Door Position Signal (CJ2/CJ3)
8E	WH/BK	1236	Right Air Temperature Door Control (CJ2/CJ3)
8F	D-GN	1614	Recirculation Door Control (CJ2/CJ3)

Junction Block - I/P C2

Connector Part Information

OEM: 12193930
Service: 15306107
Description: 6-Way F Metri-Pack 280 Series Flexlock (BK)

Terminal Part Information

Pins: A-E
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A-B - C/A
Core/Insulation Crimp: Pins C-E - E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: F
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P C2

Pin	Wire Color	Circuit No.	Function
A	D-GN	117	Right Front Speaker Output (-) (UQ3/UQ5/UQ7)
A	D-GN	117	Right Front Speaker Output (-) (UQ3)
B	L-GN	200	Right Front Speaker Output (+) (UQ3/UQ5/UQ7)
B	L-GN	200	Right Front Speaker Output (+) (UQ3)
C	BK	1851	Ground (AU3 w/o YE9)
D	BN/WH	230	Instrument Panel Lamps Dimming Control (AU3 w/o YE9)
E	BK/WH	746	Right Front Door Ajar Switch Signal (w/o YE9)
F	BK	1050	Ground (YE9)
	BK	1050	Ground (w/o YE9)
	BK	1050	Ground (w/o YE9)

Junction Block - I/P C4

Connector Part Information

OEM: 12194037
Service: 15306341
Description: 12-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Junction Block - I/P C4

Pin	Wire Color	Circuit No.	Function
A	BK	1050	Ground
B	OG	52	Blower Motor High Control (C42/CJ3)
B	GY/BK	2337	Lower Right Air Temperature Sensor Signal (CJ2)
C	PU	73	Medium 3 Blower Motor Control (C42/CJ3)
	BN	718	Low Reference (CJ2)
	BN	718	Low Reference (CJ2)
D	RD	542	Battery Positive Voltage
E	TN	63	Blower Motor Medium 1 Control (C42/CJ3)
E	PU	1838	Recirculation Door Position Signal (CJ2)
F	PU/WH	760	Blower Motor Speed Control (CJ2)
G	YE	60	Blower Motor Low Control (C42/CJ3)
H	L-BU/BK	1688	5-Volt Reference (CJ2/CJ3)
H	L-BU/BK	1688	5-Volt Reference (CJ2/CJ3)
J	L-BU/BK	1688	5-Volt Reference (CJ2)
	L-BU/BK	1688	5-Volt Reference (CJ2)
	L-BU/BK	1688	5-Volt Reference (CJ3)
K	L-BU	72	Medium 2 Blower Motor Control (C42/CJ3)
L	YE	1791	Low Reference (CJ2)
	YE	1791	Low Reference (CJ2)
	YE	1791	Low Reference (CJ3)
M	YE	1791	Low Reference (CJ2/CJ3)
M	YE	1791	Low Reference (CJ2/CJ3)

Junction Block - I/P C5

Connector Part Information

OEM: 12193924
Service: 15306106
Description: 6-Way F Metri-Pack 280 Series Flexlock (BN)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Junction Block - I/P C5

Pin	Wire Color	Circuit No.	Function
A	--	--	Not Used
B	L-GN	2275	Mode Door Position Signal
C	TN	2273	Mode Door Control
D	D-BU	1199	Left Air Temperature Door Control (CJ2/CJ3)
E	L-BU	733	Left Air Temperature Door Position Signal (CJ2/CJ3)
F	--	--	Not Used

Junction Block - I/P C6

Connector Part Information

OEM: 12193929
Service: 12193929
Description: 6-Way F Metri-Pack 280 Series Flexlock (L-GN)

Terminal Part Information

Pins: A
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B-E
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins B-C, E - E/C
Core/Insulation Crimp: Pins D - E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P C6

Pin	Wire Color	Circuit No.	Function
A	OG	3840	Battery Positive Voltage (CF5)
B	BN	2409	Interior Park Lamps Supply Voltage (U01)
C	BK	1050	Ground (U01/CF5)
D	D-BU	1353	RAP Supply Voltage (CF5)
E	BN/WH	230	Instrument Panel Lamps Dimming Control (CF5)
F	--	--	Not Used

Junction Block - I/P C7

Connector Part Information

OEM: 12193922
Service: 15306105
Description: 6-Way F Metri-Pack 280 Series Flexlock (CM)

Terminal Part Information

Pins: A-B, D-F
Terminal/Tray: 12110844/4
Core/Insulation Crimp: Pins A, D - C/A
Core/Insulation Crimp: Pins B, E, F - E/C
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C
Terminal/Tray: 12110844/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: E
Terminal/Tray: 12110842/4
Core/Insulation Crimp: A/B
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - I/P C7

Pin	Wire Color	Circuit No.	Function
A	GY	295	Door Lock Actuator Lock Control (AU3 w/o YE9)
B	TN	1047	Class 2 Serial Data
C	OG	4240	Battery Positive Voltage (YE9)
D	TN	294	Door Lock Actuator Unlock Control (AU3 w/o YE9)
E	WH	194	Door Unlock Control (AU3 w/o YE9)
E	OG	1340	Battery Positive Voltage
F	L-BU	195	Door Lock Control (AU3 w/o YE9)
F	D-BU	2115	Right Turn Signal Lamps Supply Voltage (YE9)

Junction Block - I/P C8

Connector Part Information

OEM: 12193928
Service: 88988740
Description: 6-Way F Metri-Pack 280 Series Flexlock (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Junction Block - I/P C8

Pin	Wire Color	Circuit No.	Function
A	WH/BK	2339	Lower Left Air Temperature Sensor Signal (CJ2)
B	BN	341	Ignition 3 Voltage - Air Temperature Actuator - Left (CJ2/CJ3)
B	BN	341	Ignition 3 Voltage - Air Temperature Actuator - Right (CJ2/CJ3)
C	BN	341	Ignition 3 Voltage - Recirculation Actuator (CJ2/CJ3)
C	BN	341	Ignition 3 Voltage - Mode Actuator (CJ2/CJ3)
D	D-BU	1646	Right Air Temperature Door Position Signal (CJ2/CJ3)
E	WH/BK	1236	Right Air Temperature Door Control (CJ2/CJ3)
F	D-GN	1614	Recirculation Door Control (CJ2/CJ3)

Junction Block - Rear Lamps

Junction Block - Rear Lamps C1

Connector Part Information

OEM: 15317304
Service: 15306338
Description: 8-Way F GT 280 Series Sealed (BU)

Terminal Part Information

Terminal/Tray: 15304716/8
Core/Insulation Crimp: 2/1
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Rear Lamps C1

Pin	Wire Color	Circuit No.	Function
A	L-BU	2114	Left Turn Signal Lamps Supply Voltage
B	L-BU	1320	Stop Lamp Supply Voltage
C	L-GN	24	Backup Lamp Supply Voltage
D	BN/WH	2609	Right Rear Park Lamps Supply Voltage
E	BK	1550	Ground (30 Series Except Chassis Cab/20 Series w/HVY)
	BK	1650	Ground (30 Series Chassis Cab)
	BK	1750	Ground (10/20 Series)
F	--	--	Not Used
G	BN	2509	Left Rear Park Lamps Supply Voltage
H	D-BU	2115	Right Turn Signal Lamps Supply Voltage

Junction Block - Rear Lamps C2

Connector Part Information

OEM: 15317305
Service: 15306338
Description: 8-Way F GT 280 Series (GY)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Junction Block - Rear Lamps C2

Pin	Wire Color	Circuit No.	Function
A	BK	1750	Ground (X88)
B	BK	1750	Ground (Z88)
C	BK	1750	Ground (Z88)
D	L-BU	1320	CHMSL Supply Voltage/Stop Lamp Supply Voltage
E	BN	2509	Left Rear Tail Lamps Supply Voltage
F	L-GN	24	Backup Lamp Supply Voltage (Z88)
F	D-GN	24	Backup Lamp Supply Voltage (X88)
G	--	--	Unavailable
H	D-BU	2114	Left Turn Signal Lamps Supply Voltage (X88)
H	L-BU	2114	Left Turn Signal Lamps Supply Voltage (Z88)

Junction Block - Rear Lamps C3

Connector Part Information

OEM: 15317308
Service: 15306135
Description: 8-Way F GT 280 Series (BN)

Terminal Part Information

Terminal/Tray: 15304716/8
Core/Insulation Crimp: E/1
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Rear Lamps C3

Pin	Wire Color	Circuit No.	Function
A	BN/WH	2609	Right Rear Park Lamps Supply Voltage
B	--	--	Not Used
C	BK	1750	Ground (R05)
D	BK	1750	Ground (03/43/53/R05)
E	BK	1750	Ground (w/o R05)
F	--	--	Not Used
G	BN	2509	Left Rear Park Lamps Supply Voltage
H	BK	1750	Ground

Junction Block - Rear Lamps C4

Connector Part Information

OEM: 15317306
Service: 15306339
Description: 8-Way F GT 280 Series (BK)

Terminal Part Information

Terminal/Tray: See Terminal Repair Kit
Core/Insulation Crimp: See Terminal Repair Kit
Release Tool/Test Probe: See Terminal Repair Kit

Junction Block - Rear Lamps C4

Pin	Wire Color	Circuit No.	Function
A	L-BU	1320	Stop Lamp Supply Voltage
B	BN	2609	Right Rear Park Lamps Supply Voltage (X88)
B	BN/WH	2609	Right Rear Park Lamps Supply Voltage (Z88)
C	BK	1750	Ground (X88)
D	BK	1750	Ground (Z88)
E	L-GN	24	Backup Lamp Supply Voltage (Z88)
E	D-GN	24	Backup Lamp Supply Voltage (X88)
F	D-BU	2115	Right Turn Signal Lamps Supply Voltage
G	--	--	Unavailable
H	BK	1750	Ground (Z88)