Electrical Center Identification Views. GMC Truck Yukon Denali 2007

For 1990-2009 cars only

Makes 🢒 GMC_Truck 🢒 2007 🢒 Yukon Denali 🢒 Preface 🢒 Cautions and Notices 🢒 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 - I/P, Label
Connector 10:	Fuse Block - I/P, Top View
Connector 11:	Fuse Block - I/P, Bottom View
Connector 12:	Fuse Block - I/P C1
Connector 13:	Fuse Block - I/P C2
Connector 14:	Fuse Block - I/P C3
Connector 15:	Fuse Block - I/P C4
Connector 16:	Junction Block - Left I/P, Label
Connector 17:	Junction Block - Left I/P, Top View
Connector 18:	Junction Block - Left I/P, Bottom View
Connector 19:	Junction Block - Left I/P C1
Connector 20:	Junction Block - Left I/P C2
Connector 21:	Junction Block - Left I/P C3
Connector 22:	Junction Block - Left I/P C4 (Except Y91)
Connector 23:	Junction Block - Left I/P C7 (JF4)
Connector 24:	Junction Block - Left I/P C8
Connector 25:	Junction Block - Left I/P C9
Connector 26:	Junction Block - Left I/P C10
Connector 27:	Junction Block - Left I/P C11
Connector 28:	Junction Block - Left I/P C12
Connector 29:	Junction Block - Left I/P C13 (JF4 w/AN3)
Connector 30:	Junction Block - Right I/P, Top View
Connector 31:	Junction Block - Right I/P C1 (Wire Entry)
Connector 32:	Junction Block - Right I/P C2
Connector 33:	Junction Block - Right I/P C3
Connector 34:	Junction Block - Right I/P C4
Connector 35:	Junction Block - Right I/P C5
Connector 36:	Junction Block - Right I/P C6

Fuse Block - Underhood, Label

Fuse Block - Underhood, Device Usage

No.	Device	Rating	Description
1	EXH VLV Fuse	30A	Not Used
2	ESC/ALC EXH Fuse	30A	Automatic Level Control (ALC) Compressor (G69), Electronic Suspension Control (ESC) Module (Z55)
3	TRLR STOP LT Fuse	10A	Trailer Wiring, Auxiliary Body Control Module (XBCM) (Export)
4	ENG Fuse	15A	Evaporative Emissions (EVAP) Canister Purge Solenoid Valve, Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Valve Lifter Oil Manifold (VLOM) Assembly (AFM)
5	ECM/THROT CONT Fuse	15A	Engine Control Module (ECM)
6	TRLR STOP RT Fuse	10A	Trailer Wiring, Auxiliary Body Control Module (XBCM) (Export)
7	FRT WASH Fuse	15A	Windshield Washer Fluid Pump
8	O2-B SNSR Fuse	10A	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
9	ABS 2 Fuse	25A	Electronic Brake Control Module (EBCM)
10	TRLR BCK/UP Fuse	10A	Trailer Wiring
11	LO HDLP-LT Fuse	20A	Headlamp - Left (Z88), Headlamp - Low Beam - Left (X88), Headlamp Ballast - Left (Z75)
12	ECM-BATT Fuse	10A	Engine Control Module (ECM)
13	INJ-B Fuse	20A	Fuel Injector 2, Fuel Injector 4, Fuel Injector 6, Fuel Injector 8, Ignition Coil 2, Ignition Coil 4, Ignition Coil 6, Ignition Coil 8
14	TCM-BATT Fuse	10A	Evaporative Emissions (EVAP) Canister Vent Solenoid Valve, Transmission Control Module (TCM)
15	VEH BCK/UP Fuse	10A	Backup Lamp - Left, Backup Lamp - Right
16	LO HDLP-RT Fuse	20A	Headlamp - Right (Z88), Headlamp - Low Beam - Right (X88), Headlamp Ballast - Right (Z75)
17	A/C CMPRSR Fuse	10A	A/C Compressor Clutch
18	O2-A SNSR Fuse	10A	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
19	TRANS IGN 1 Fuse	15A	Transmission Control Module (TCM), 1-2 Shift Solenoid (1-2 SS) Valve, 2-3 Shift Solenoid (2-3 SS) Valve, 3-2 Shift Solenoid (3-2 SS) Valve (M30/M70), Torque Converter Clutch (TCC) Solenoid Valve (M30/M70), Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve
20	FUEL PUMP Fuse	20A	Fuel Pump and Sender Assembly - Primary
21	HEADLAMP WASH Fuse	20A	Headlamp Washer Relay (CE4)
22	REAR WASH Fuse	15A	Rear Window Washer Fluid Pump (E52)
23	INJ-A Fuse	20A	Fuel Injector 1, Fuel Injector 3, Fuel Injector 5, Fuel Injector 7, Ignition Coil 1, Ignition Coil 3, Ignition Coil 5, Ignition Coil 7
24	TRLR PRK Fuse	15A	Trailer Wiring
25	LT PRK Fuse	15A	License Lamp - Left, License Lamp - Right, Marker Lamp - LF, Park/Turn Signal Lamp - LF (X88/Z88), Park Lamp - LF (Z75), Tail Lamp Circuit Board - Left (Z75 w/E52), Marker Lamp - LR (Except Z75 w/E52), Tail/Stop and Turn Signal Lamp - Lower Left (Except Z75 w/E52), Tail/Stop and Turn Signal Lamp - Upper Left (Except Z75 w/E52)
26	RT PRK Fuse	15A	Tail Lamp Circuit Board - Right (Z75 w/E52), Marker Lamp - RF, Park Lamp - RF (Z75), Park/Turn Signal Lamp - RF (X88/Z88), Tail/Stop and Turn Signal Lamp - Lower Right (Except Z75 w/E52), Tail/Stop and Turn Signal Lamp - Lower Right (Except Z75 w/E52), Marker Lamp - RR (Except Z75 w/E52)
27	FOG LAMP Fuse	15A	Fog Lamp - LF (T96), Fog Lamp - LF (T96)
28	HORN Fuse	15A	Horn - Left, Horn - Right
29	HI HEADLAMP-RT Fuse	10A	Headlamp - Right (Z88), Headlamp - High Beam - Right (X88/Z75)
30	DRL Fuse	15A	Daytime Running Lamp (DRL) - Left (Z75/X88), Daytime Running Lamp (DRL) - Right (Z75/X88), DRL 2 Fuse (Z88)
31	HI HEADLAMP-LT Fuse	10A	Headlamp - Left (Z88), Headlamp - High Beam - Right (X88/Z75)
32	DRL 2 Fuse	15A	LO HDLP - LT Fuse (Z88), LO HDLP - RT Fuse (Z88)
33	S/ROOF Fuse	30A	Sunroof Module (CF5), Roof Beacon Relay (5G4)
34	DLIS Fuse	2A	Ignition Switch, Theft Deterrent Module (TDM)
35	WPR Fuse	25A	Wiper 1 PCB Relay
36	SEO B2 Fuse	30A	Not Used
37	EAP Fuse	15A	PARK ENABLE Relay, ELECTRONIC ADJUSTABLE PEDALS Relay, Folding Seat Switch - Front (ARS), Folding Seat Switch - LR (ARS), Folding Seat Switch - RR (ARS), I/P Multifunction Accessory Switch
38	HVAC BATT Fuse	10A	HVAC Control Module
39	AIRBAG IGN Fuse	10A	Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Passenger Air Bag ON/OFF Indicator
40	AMP Fuse	30A	Audio Amplifier (UQA/UQS)
41	RDO Fuse	15A	Analog Clock (Z75), Digital Radio Receiver (U2K), Radio, Rear Seat Audio (RSA) Controller (UK6)
42	FWD Fuse	15A	Front Axle Actuator (NP8)
43	MISC IGN Fuse	10A	Auxiliary Body Control Module (XBCM) (Export), Climate Control Seat Module (KB6), Stop Lamp Switch, Transfer Case Shift Control Switch (NP8), Rearview Camera Module (UVC)
44	L/GATE RELSE Fuse	15A	Liftgate Latch Assembly (E52)
45	INFO Fuse	15A	Front Video Display (U42), Rear Video Display (DNU), Vehicle Communication Interface Module (VCIM) (UE1)
46	IPC Fuse	10A	Body Control Module (BCM), Instrument Panel Cluster (IPC)
47	EXP/PTO Fuse	15A	Auxiliary Body Control Module (XBCM) (Export)
48	HTD STR/WHL Fuse	10A	Heated Steering Wheel Module (KA9)
49	AUX HVAC-IGN Fuse	10A	Instrument Panel Cluster (IPC), Inside Rearview Mirror (ISRVM), Mode Actuator - Auxiliary, Temperature Actuator - Auxiliary
50	REAR DEFOG Fuse	30A	Defogger Grid
51	AIRBAG BATT Fuse	15A	Inflatable Restraint Passenger Presence System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Vehicle Rollover Sensor (ASF)
52	SEO B1 Fuse	15A	Auxiliary Body Control Module (XBCM) (Export)
53	LTR Fuse	20A	Auxiliary Power Outlet - Front 1, Data Link Connector (DLC)
54	SEO/ALC Fuse	10A	Automatic Level Control (ALC) Compressor Relay (G69)
55	HVAC-IGN Fuse	10A	Air Temperature Actuator - Left, Air Temperature Actuator - Right, Mode Actuator, Recirculation Actuator
56	ECM-IGN Fuse	15A	Engine Control Module (ECM), Fuel Pump Relay - Secondary (Except NQZ)
60	FAN-1 Fuse	40A	FAN LO PCB Relay
61	ALC/COMP Fuse	40A	Automatic Level Control (ALC) Compressor Relay (G69)
62	HEAVY DUTY ABS Fuse	60A	Electronic Brake Control Module (EBCM)
63	FAN-2 Fuse	40A	FAN HI PCB Relay
64	ABS-1 Fuse	40A	Electronic Brake Control Module (EBCM)
65	STRTR Fuse	40A	Starter
66	STUD-2 Fuse	30A	Blunt Cut Wire
67	LBEC1 Fuse	60A	AUX PWR 2 Fuse, REAR WPR Fuse, PDM Fuse, AUX PWR Fuse
68	ELEC RUN BOARD Fuse	30A	Articulating Running Board (ARB) Module (BRS)
69	WFHS Fuse	60A	Windshield Washer Solvent Heater (XA7)
70	TREC Fuse	30A	Transfer Case Encoder Motor (NP8), Transfer Case Shift Control Module (NP8)
71	STUD-1 Fuse	40A	Trailer Wiring
72	MBEC1 Fuse	60A	DRIVER SEAT 2 Circuit Breaker, PASSENGER SEAT 1 Circuit Breaker, RT DOORS Circuit Breaker
73	HVAC BLWR Fuse	40A	Blower Motor Control Module
74	LGM Fuse	30A	Liftgate Module (LGM) (E61)
75	LBEC2 Fuse	60A	BCM Fuse, COOLED SEATS Fuse, DDM Fuse, DIM Fuse, DSM Fuse, REAR HVAC Fuse, RT STOP TRN Fuse, WSW PUMP Fuse
--	A/C CMPRSR Relay	--	A/C CMPRSR Fuse
--	ENG EXH VLV Relay	--	AXH VLV Fuse
--	FAN CNTRL Relay	--	FOG LAMP Fuse
--	FOG LAMP Relay	--	FOG LAMP Fuse
--	FUEL PMP Relay	--	FUEL PUMP Fuse
--	HDLP LO/HID Relay	--	LO HDLP - LT Fuse, LO HDLP - RT Fuse, DRL 2 Fuse
--	PRK LAMP Relay	--	LT PRK Fuse, RT PRK Fuse, TRLR PRK Fuse
--	PWR/TRN Relay	--	ECM/THROT CONT Fuse, ENG Fuse, INJ-A Fuse, INJ-B Fuse, O2-A SNSR Fuse, O2-B SNSR Fuse, FAN CNRTL PCB Relay, FAN HI PCB Relay, FAN LO PCB Relay
--	REAR DEFOG Relay	--	REAR DEFOG Fuse
--	RUN/CRNK Relay	--	AIRBAG Fuse, AUX HVAC-IGN Fuse, IGN Fuse, ECM-IGN Fuse, MISC IGN Fuse, SEO/ALC Fuse, TRANS IGN 1 Fuse
--	STRTR Relay	--	STRTR Fuse
Important: Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.
--	BCK/UP LAMP PCB Relay	--	VEH BCK/UP Fuse, TRLR BCK/UP Fuse
--	DRL PCB Relay	--	DRL Fuse
--	FAN CNTRL PCB Relay	--	Cooling Fan - Right
--	FAN HI PCB Relay	--	Cooling Fan - Right, FAN CNTRL Relay
--	FAN LO PCB Relay	--	Cooling Fan - Left
--	FRT WASH PCB Relay	--	FRT WASH Fuse
--	HI BEAM PCB Relay	--	HI HEADLAMP - LT Fuse, HI HEADLAMP - RT Fuse
--	HORN PCB Relay	--	HORN Fuse
--	L/GATE PCB Relay	--	L/GATE RELSE Fuse
--	REAR WASH PCB Relay	--	REAR WASH Fuse
--	RUN PCB Relay	--	FWD Fuse, HTD STR/WHL Fuse
--	TRLR STOP LT PCB Relay	--	TRLR STOP LT Fuse
--	TRLR STOP RT PCB Relay	--	TRLR STOP RT Fuse
--	WIPER 1 PCB Relay	--	Wiper 2 PCB Relay
--	WIPER 2 PCB Relay	--	Windshield Wiper Motor
Important: Items listed below are Wiper System diagnostic testing points.
--	TP92	--	Wiper High Speed Test Point
--	TP95	--	Wiper Low Speed Test Point

Fuse Block - Underhood, Top View

Fuse Block - Underhood, Bottom View

Fuse Block - Underhood C1

Connector Part Information

OEM: 13513343
Service: 19115674
Description: 30-Way F GT 150 280 Metri-Pack 800 Series (GY)

Terminal Part Information

Pins: A2-A8, F1-F8
Terminal/Tray: 15496302/5
Core/Insulation Crimp: Pins A2-A8, F5, F8: E/A
Core/Insulation Crimp: Pins F1-F2: 2/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: B3, B5, E1-E5
Terminal/Tray: 13525970/4
Core/Insulation Crimp: Pins B3 (Z88), B5 (Z88), E1, E4-E5: E/A
Core/Insulation Crimp: Pins B3 (X88), B5 (X88), E2-E3: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C1-C2, D1-D2
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Pins: L2, L4, M1, N4, P3
Terminal/Tray: 13525450/4
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: L3, M3-M5, N5
Terminal/Tray: 13525969/4
Core/Insulation Crimp: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Underhood C1

Pin	Wire Color	Circuit No.	Function
A1	--	--	Not Used
A2	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage
A3	D-BU	545	DRL Supply Voltage (Z88 w/T61)
A4	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
A5-A6	--	--	Not Used
A7	L-GN/BK	311	Right Headlamp High Beam Supply Voltage
A8	D-GN/WH	711	Left Headlamp High Beam Supply Voltage
B1-B2	--	--	Not Used
B3	D-BU	545	DRL Supply Voltage
B3	D-BU	545	DRL Supply Voltage (X88 w/T61)
B4	RD/WH	3640	Battery Positive Voltage (CE4)
B5	PU	2234	Front Fog Lamp Supply Voltage (T96)
B5	PU	2234	Front Fog Lamp Supply Voltage (T96)
C1	GY	532	Cooling Fan Motor Supply Voltage
C2	YE	5358	Auxiliary Cooling Fan Motor Supply Voltage
D1	L-BU	409	Cooling Fan Motor Supply Voltage
D2	BK	150	Ground
E1	OG	228	Windshield Washer Pump Control
E2	YE	712	Left Headlamp Low Beam Supply Voltage
E3	TN/WH	312	Right Headlamp Low Beam Supply Voltage
E4	D-GN/WH	266	Rear Window Washer Pump Supply Voltage
E5	D-GN	29	Horn Control
E5	D-GN	29	Horn Control
F1	YE/BK	1334	Left Rear Turn Signal Lamp Supply Voltage (TR2)
F2	D-GN/WH	1335	Right Rear Turn Signal Lamp Supply Voltage (TR2)
F3-F4	--	--	Not Used
F5	BN	2609	Right Rear Park Lamps Supply Voltage
F6-F7	--	--	Not Used
F8	BN	2509	Left Rear Park Lamps Supply Voltage

Fuse Block - Underhood C2

Connector Part Information

OEM: 13513347
Service: 19115659
Description: 50-Way F GT 280 Metri-Pack 800 Series (BK)

Terminal Part Information

Pins: A1, B5, C3, C5, D3, N1, P2, P3, P4, P5
Terminal/Tray: 33467-0003/23
Core/Insulation Crimp: Pins A1, B2, C3, C5, P2, P4: H/H
Core/Insulation Crimp: Pins D3, N1, P3, P5: J/J
Release Tool/Test Probe: J-38125-213/J-35616-64B (L-BU)

Pins: D4-D5, L1, L5, M2, N3-N4
Terminal/Tray: 13525970/4
Core/Insulation Crimp: Pins D4-D5, L1, N3-N4: E/A
Core/Insulation Crimp: Pins L5, M2: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: F1
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood C2

Pin	Wire Color	Circuit No.	Function
A1	D-GN	335	Low Speed Cooling Fan Relay Control
A2-A5	--	--	Not Used
B1-B4	--	--	Not Used
B5	D-BU/WH	473	High Speed Cooling Fan Relay Control
C1-C2	--	--	Not Used
C3	D-GN/WH	459	A/C Compressor Clutch Relay Control
C4	--	--	Not Used
C5	YE/BK	625	Starter Enable Relay Control
D1-D2	--	--	Not Used
D3	RD/WH	440	Battery Positive Voltage
D4	D-GN	59	A/C Compressor Clutch Supply Voltage
D5	BN	241	Ignition 3 Voltage (NP8)
E1-E3	--	--	Not Used
F1	PU	6	Starter Solenoid Crank Voltage
G1	--	--	Not Used
H1	--	--	Not Used
J1	--	--	Not Used
K1-K3	--	--	Not Used
L1	PK	1839	Ignition 1 Voltage (LY5/LMG/L76/LC9)
L2	PK	1539	Ignition 1 Voltage
L2	PK	1539	Ignition 1 Voltage
L3	PK/WH	1239	Ignition 1 Voltage
L3	PK/WH	1239	Ignition 1 Voltage
L4	PK	539	Ignition 1 Voltage
L4	PK	539	Ignition 1 Voltage
L5	PK	1039	Ignition 1 Voltage
M1	PK	1839	Ignition 1 Voltage
M1	PK	1839	Ignition 1 Voltage
M2	PK/WH	1239	Ignition 1 Voltage
M3	PK	1239	Ignition 1 Voltage
M3	PK	1239	Ignition 1 Voltage
M4	PK/BK	1039	Ignition 1 Voltage
M4	PK/BK	1039	Ignition 1 Voltage
M5	PK	1039	Ignition 1 Voltage
M5	PK	1039	Ignition 1 Voltage
N1	PK/BK	1339	Ignition 1 Voltage
N2	--	--	Not Used
N3	RD/WH	1840	Battery Positive Voltage
N4	PK	2139	Ignition 1 Voltage
N5	BK	550	Ground
P1	--	--	Not Used
P2	YE	5991	Powertrain Relay Coil Control
P3	L-BU/WH	6311	Brake Switch Signal
P3	L-BU/WH	6311	Brake Switch Signal
P4	D-GN/WH	465	Fuel Pump Relay Control - Primary
P5	PK	439	Ignition 1 Voltage

Fuse Block - Underhood C3

Connector Part Information

OEM: 13513342
Service: 19115657
Description: 30-Way F GT 150 280 Metri-Pack 800 Series (BK)

Terminal Part Information

Pins: A1-A8, F5, F7, F8
Terminal/Tray: 15496302/5
Core/Insulation Crimp: Pins A1-A8, F7: E/A
Core/Insulation Crimp: Pins F5, F8: 2/A
Release Tool/Test Probe: 13515247/J-35616-2A (GY)

Pins: B1-B3
Terminal/Tray: 13525969/4
Core/Insulation Crimp: Pins B1, B2: F/D
Core/Insulation Crimp: Pin B3: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B4, B5, E1-E4
Terminal/Tray: 13525970/4
Core/Insulation Crimp: Pins B4, B5, E1-E3: 2/A
Core/Insulation Crimp: Pin E4: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: C1-C2
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood C3

Pin	Wire Color	Circuit No.	Function
A1	D-GN/WH	1335	Right Rear Turn Signal Lamp Supply Voltage (X88/Z88 and Export w/E52)
A1	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage (X88 Except E52 and Domestic Z75)
A2	YE/BK	1334	Left Rear Turn Signal Lamp Supply Voltage (X88/Z88 and Export w/E52)
A2	YE	18	Left Rear Stop/Turn Lamp Supply Voltage (X88 Except E52 and Domestic Z75
A3	L-BU	20	Stop Lamp Supply Voltage (X88, Z88, Export Z75)
A4	L-BU/BK	20	Stop Lamp Supply Voltage (X88, Z88, Export Z75)
A5	RD/WH	1840	Battery Positive Voltage
A6	--	--	Not Used
A7	BN	2509	Left Rear Park Lamps Supply Voltage
A8	BN	2509	Left Rear Park Lamps Supply Voltage (Except E52)
B1	RD/BK	2440	Battery Positive Voltage (Z55)
B2	RD/WH	2440	Battery Positive Voltage (G69)
B3	RD	1640	Battery Positive Voltage (JL4)
B4	BN	2109	Trailer Park Lamp Supply Voltage
B5	GY	120	Fuel Pump Supply Voltage
C1	RD	1842	Battery Positive Voltage (G69)
C2	RD/BK	442	Battery Positive Voltage
D1-D2	--	--	Not Used
E1	YE	1618	Trailer Left Rear Turn/Stop Lamp Supply Voltage
E2	D-GN	1619	Trailer Right Rear Turn/Stop Lamp Supply Voltage
E3	L-GN	1624	Trailer Backup Lamp Supply Voltage
E4	L-GN	24	Backup Lamp Supply Voltage
E4	L-GN	24	Backup Lamp Supply Voltage
E5	--	--	Not Used
F1-F4	--	--	Not Used
F5	PK	439	Ignition 1 Voltage (Except NQZ)
F6	--	--	Not Used
F7	BN	2609	Right Rear Park Lamps Supply Voltage
F8	GY	5185	Right Trailer Park Lamp (T79)

Fuse Block - Underhood C4

Connector Part Information

OEM: 13513329
Service: 19115656
Description: 56-Way F GT 150 280 Metri-Pack 800 Series (BK)

Terminal Part Information

Pins: A1-A7, C1-C3, H1-H5, K1-K5
Terminal/Tray: 15496302/5
Core/Insulation Crimp: Pins A1-A7, C2-C3, H1-H5, K1-K5: E/A
Core/Insulation Crimp: Pins C1: 2/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: B5, G2, G3, J1, J5
Terminal/Tray: 13525969/4
Core/Insulation Crimp: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: D5, G4, G5, J4
Terminal/Tray: 13525970/4
Core/Insulation Crimp: Pins D5, G4, J4: E/A
Core/Insulation Crimp: Pin G5: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: E1, E2, F1, F2
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood C4

Pin	Wire Color	Circuit No.	Function
A1	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage
A2	--	--	Not Used
A3	OG	2268	Windshield Washer Relay Control
A4-A6	--	--	Not Used
A7	WH	193	Rear Defog Relay Control
A8	--	--	Not Used
B1-B4	--	--	Not Used
B5	PU	293	Rear Defog Element Supply Voltage
C1	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage
C2	D-GN/WH	1317	Fog Lamp Relay Control (T96)
C3	TN/WH	1969	Headlamp High Beam Relay Control
C4-C8	--	--	Not Used
D1-D4	--	--	Not Used
D5	RD/WH	4440	Battery Positive Voltage
E1	RD/BK	842	Battery Positive Voltage
E2	RD/BK	642	Battery Positive Voltage
F1	--	--	Not Used
F2	RD/BK	542	Battery Positive Voltage
G1	TN	28	Horn Relay Control
G2	RD/WH	2340	Battery Positive Voltage
G3	RD/WH	3740	Battery Positive Voltage (UQA/UQS)
G4	RD/WH	3240	Battery Positive Voltage (UE1)
G4	RD/WH	3240	Battery Positive Voltage (U42)
G5	RD/WH	4540	Battery Positive Voltage
H1	BN	2509	Left Rear Park Lamps Supply Voltage
H2-H3	--	--	Not Used
H4	L-GN/BK	592	DRL Relay Control (T61)
H5	D-GN/WH	1335	Right Rear Turn Signal Lamp Supply Voltage (X88/Z88 and Export w/E52)
H5	D-GN	19	Right Rear Stop/Turn Lamp Supply Voltage (X88 Except E52 and Domestic Z75
H6-H8	--	--	Not Used
J1	RD/WH	3140	Battery Positive Voltage (CF5/TRW)
J2-J3	--	--	Not Used
J4	RD/WH	2840	Battery Positive Voltage
J4	RD/WH	2840	Battery Positive Voltage
J5	RD/WH	640	Battery Positive Voltage
J5	RD/WH	640	Battery Positive Voltage
K1	L-GN	2270	Rear Window Washer Relay Control
K2	PK/WH	1970	Headlamp Low Beam Relay Control
K3-K4	--	--	Not Used
K5	YE/BK	1334	Left Rear Turn Signal Lamp Supply Voltage (X88/Z88 and Export w/E52)
K5	YE	18	Left Rear Stop/Turn Lamp Supply Voltage (X88 Except E52 and Domestic Z75
K6-K8	--	--	Not Used

Fuse Block - Underhood C5

Connector Part Information

OEM: 13513345
Service: 19115658
Description: 56-Way F GT 150 280 Metri-Pack 800 Series (GY)

Terminal Part Information

Pins: A2, B1, C4-C8, G4, G5, H1-H8, K1-K8
Terminal/Tray: 15496302/5
Core/Insulation Crimp: Pins A2, C4-C8, H1-H8, K1-K4, K8: E/A
Core/Insulation Crimp: Pins B1, G4, G5, K5: 2/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: B3, B4, D1-D4, G1-G3, J1-J5
Terminal/Tray: 13525970/4
Core/Insulation Crimp: Pins B4, D1-D4, G2, G3, J5: E/A
Core/Insulation Crimp: Pins B3, G1, J1-J3: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: E1, E2, F1, F2
Terminal/Tray: 12110127/19
Core/Insulation Crimp: Pins E1, E2, F2: F/G
Core/Insulation Crimp: Pin F1: G/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood C5

Pin	Wire Color	Circuit No.	Function
A1	--	--	Not Used
A2	L-BU/WH	6311	Brake Switch Signal
A3-A8	--	--	Not Used
B1	L-BU/WH	6311	Brake Switch Signal
B1	L-BU/WH	6311	Brake Switch Signal
B2	RD/WH	740	Battery Positive Voltage (6J1/ARS/JF4)
B3	RD/WH	340	Battery Positive Voltage
B4	RD/WH	2640	Battery Positive Voltage (PPV/Export)
B5	--	--	Not Used
C1-C3	--	--	Not Used
C4	OG	300	Ignition 3 Voltage
C5	OG	300	Ignition 3 Voltage
C6	--	--	Not Used
C7	OG	300	Ignition 3 Voltage (XA7)
C8	D-BU	45	Park Lamp Relay Control
D1	RD/WH	540	Battery Positive Voltage
D2	RD/WH	3340	Battery Positive Voltage
D3	--	--	Not Used
D4	BN	141	Ignition 3 Voltage (KA9)
D5	--	--	Not Used
E1	RD/BK	1642	Battery Positive Voltage (XA7)
E2	RD/BK	1242	Battery Positive Voltage
F1	RD/BK	1342	Battery Positive Voltage (NP8)
F1	RD/BK	1342	Battery Positive Voltage (NP8)
F2	RD/BK	42	Battery Positive Voltage
G1	BK	550	Ground
G2	PK	1139	Ignition 1 Voltage
G3	PK	239	Ignition 1 Voltage
G4	PK	1639	Ignition 1 Voltage
G4	PK	1639	Ignition 1 Voltage
G5	PK	739	Ignition 1 Voltage
G5	PK	739	Ignition 1 Voltage
H1	OG	5186	Left Trailer Turn Signal Lamp
H2	YE	1618	Trailer Left Rear Turn/Stop Lamp Supply Voltage (Export)
H3	YE	5187	Right Trailer Turn Signal Lamp
H4	D-GN	1619	Trailer Right Rear Turn/Stop Lamp Supply Voltage (Export)
H5	YE	5199	Run/Crank Relay Coil Control
H6-H7	--	--	Not Used
H8	D-BU	38	Backup Lamp Relay Control
J1	PU	92	Windshield Wiper Motor High Speed Control
J2	D-GN	95	Windshield Washer Switch Signal
J3	L-BU	6128	Rear Closure Unlatch Motor Unlatch Control (E52)
J4	--	--	Not Used
J5	PK	839	Ignition 1 Voltage
K1	TN	860	Front Windshield Wiper Switch High Signal
K2	--	--	Not Used
K3	GY	91	Windshield Wiper Switch Signal 2
K4	D-GN	5706	Endgate Latch Relay Supply Voltage (E52)
K5	L-BU	20	Stop Lamp Supply Voltage
K6-K7	--	--	Not Used
K8	YE	5704	Endgate Latch Relay Coil Control (E52)

Fuse Block - I/P, Label

Fuse Block - I/P, Device Usage

Device	Rating	Description
AUX PWR Fuse	20A	Auxiliary Power Outlet - Bin, Auxiliary Power Outlet - Console, Auxiliary Power Outlet - Front - 1
AUX PWR2 Fuse	20A	Auxiliary Power Outlet - Rear
BCM Fuse	10A	Body Control Module (BCM)
COOLED SEATS Fuse	30A	Climate Control Seat Module (KB6)
CTSY Fuse	15A	Body Control Module (BCM)
DDM Fuse	15A	Driver Door Module (DDM)
DIM Fuse	10A	Body Control Module (BCM)
DSM Fuse	10A	Memory Seat Module (AN3), Remote Control Door Lock Receiver (RCDLR)
IS LAMPS Fuse	10A	Body Control Module (BCM)
LCK1 Fuse	15A	Door Latch Assembly - LR, Door Latch Assembly - RR
LCK2 Fuse	15A	Endgate Lock Actuator
LT DR Circuit Breaker	25A	Driver Door Module (DDM), Window Switch - LR
LT STOP TRN Fuse	15A	Body Control Module (BCM)
OBS DET Fuse	10A	Liftgate Module (LGM) (E61), Rear Object Sensor Control Module (UD7)
PDM Fuse	15A	Garage Door Opener (GDO) (UG1), Inside Rearview Mirror (ISRVM), Passenger Door Module (PDM), Roof Beacon Switch (5G4)
REAR HVAC Fuse	30A	Blower Motor Control Module - Auxiliary
REAR SEAT Fuse	20A	Folding Seat Motor - LR (ARS), Folding Seat Motor - RR (ARS), Heated Seat Module - Rear (KA6)
REAR WPR Fuse	25A	Rear Window Wiper Motor (E52)
RT STOP TRN Fuse	15A	Body Control Module (BCM)
STOP LAMPS Fuse	15A	Body Control Module (BCM)
SWC BKLT Fuse	2A	Steering Wheel Control Switch Assembly - Left, Steering Wheel Control Switch Assembly - Right
UNLCK1 Fuse	15A	Door Latch Assembly - LR, Door Latch Assembly - RR
UNLCK2 Fuse	15A	Endgate Lock Actuator
Important: Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.
LOCK/UNLOCK PCB Relay	--	LCK 1 Fuse, LCK 2 Fuse, UNLCK 1 Fuse, UNLCK 2 Fuse

Fuse Block - I/P, Top View

Fuse Block - I/P, Bottom View

Fuse Block - I/P C1

Connector Part Information

OEM: 15477601
Service: 88988751
Description: 40-Way F GT 150 280 Metri-Pack 800 Series (BK)

Terminal Part Information

Pins: A1-A6, C2-C4, K1, K2
Terminal/Tray: 12191812/19
Core/Insulation Crimp: Pins A1, A2: C/A
Core/Insulation Crimp: Pins A5, A6, C2-C4, K1, K2: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: E3, F1
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Pins: E1
Terminal/Tray: 15304713/19
Core/Insulation Crimp: F/D
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B2, E2, D1, D2, F2, F3, G1, G2, J1-J3
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins B2, E2 - E/A
Core/Insulation Crimp: Pins D1, D2, F2, F3, G1, G2, J1-J3 - 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P C1

Pin	Wire Color	Circuit No.	Function
A1	TN	201	Left Front Speaker Output (+)
A2	GY	118	Left Front Speaker Output (-)
A3-A4	--	--	Not Used
A5	GY	1690	Automatic Day/Night Mirror Signal (DL3/DR4)
A6	PK	1691	Low Reference (DL3/DR4)
B1	--	--	Not Used
B2	RD/WH	2540	Battery Positive Voltage
B3	--	--	Not Used
C2	D-GN	5060	Low Speed GMLAN Serial Data
C3	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage (DL3/DPN)
C4	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage (DL3/DPN)
C5-C6	--	--	Not Used
D1	RD/WH	3040	Battery Positive Voltage
D2	RD/WH	2940	Battery Positive Voltage
E1	BK	1850	Ground
E2	RD/WH	3840	Battery Positive Voltage
E3	RD/BK	42	Battery Positive Voltage
F1	RD/BK	842	Battery Positive Voltage
F2	TN	294	Door Lock Actuator Unlock Control (Except E52)
F3	RD/WH	240	Battery Positive Voltage
F3	RD/WH	240	Battery Positive Voltage (TQ5/TRW/UG1)
G1	GY	295	Door Lock Actuator Lock Control (Except E52)
G2	RD/WH	1040	Battery Positive Voltage
G2	RD/WH	1040	Battery Positive Voltage (X88/Z88)
H1-H6	--	--	Not Used
J1	RD/WH	2740	Battery Positive Voltage
J2	RD/WH	2240	Battery Positive Voltage
J3	RD/WH	2140	Battery Positive Voltage
K1	BN	6136	LED Dimming Supply Voltage
K2	YE	6817	LED Backlight Dimming Control
K3-K6	--	--	Not Used

Fuse Block - I/P C2

Connector Part Information

OEM: 15467621
Service: 19115663
Description: 14-Way F GT 150 280 Series (GY)

Terminal Part Information

Pins: B5, B6
Terminal/Tray: 12191812/19
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: A4, A7, B1
Terminal/Tray: 15304713/19
Core/Insulation Crimp: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A1, B4, B7
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins A1, B4: 2/A
Core/Insulation Crimp: Pin B7: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P C2

Pin	Wire Color	Circuit No.	Function
A1	RD/WH	6040	Battery Positive Voltage (E52)
A2-A3	--	--	Not Used
A4	RD/WH	2040	Battery Positive Voltage
A5-A6	--	--	Not Used
A7	RD/WH	4740	Battery Positive Voltage (KB6)
B1	RD/WH	1240	Battery Positive Voltage
B2-B3	--	--	Not Used
B4	RD/WH	4840	Battery Positive Voltage (ARS/KA6)
B4	RD/WH	4840	Battery Positive Voltage (ARS)
B5	RD/WH	840	Battery Positive Voltage (UD7)
B6	RD/WH	840	Battery Positive Voltage (E61)
B7	RD/WH	1140	Battery Positive Voltage
B7	RD/WH	1140	Battery Positive Voltage (AN3)

Fuse Block - I/P C3

Connector Part Information

OEM: 15467620
Service: 19115662
Description: 14-Way F GT 150 280 Series (BK)

Terminal Part Information

Pins: A2, A3
Terminal/Tray: 12191812/19
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: A7
Terminal/Tray: 15304713/19
Core/Insulation Crimp: F/D
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B1, B4
Terminal/Tray: 15304711/8
Core/Insulation Crimp: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P C3

Pin	Wire Color	Circuit No.	Function
A1	--	--	Not Used
A2	L-BU	195	Door Lock Control
A3	WH	194	Door Unlock Control
A4-A6	--	--	Not Used
A7	RD/WH	1740	Battery Positive Voltage
B1	TN	294	Door Lock Actuator Unlock Control
B1	TN	294	Door Lock Actuator Unlock Control
B2-B3	--	--	Not Used
B4	GY	295	Door Lock Actuator Lock Control
B4	GY	295	Door Lock Actuator Lock Control
B5-B7	--	--	Not Used

Fuse Block - I/P C4

Connector Part Information

OEM: 15467622
Service: 19115664
Description: 14-Way F GT 150 280 Series (WH)

Terminal Part Information

Pins: A5, B2, B3, B5, B6
Terminal/Tray: 12191812/19
Core/Insulation Crimp: Pins A5, B2, B3: E/C
Core/Insulation Crimp: Pins B5, B6: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: A1, B1
Terminal/Tray: 15304713/19
Core/Insulation Crimp: Pin A1: 4/4
Core/Insulation Crimp: Pin B1: F/D
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B4, B7
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pin B4: 2/A
Core/Insulation Crimp: Pin B7: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P C4

Pin	Wire Color	Circuit No.	Function
A1	RD/WH	1240	Battery Positive Voltage
A2-A4	--	--	Not Used
A5	PK	1691	Low Reference (DL3/DR4)
A6-A7	--	--	Not Used
B1	BK	1850	Ground
B2	L-BU/WH	1314	Left Front Turn Signal Lamp Supply Voltage (DL3/DPN)
B3	D-GN	5060	Low Speed GMLAN Serial Data
B4	RD/WH	140	Battery Positive Voltage
B5	GY	118	Left Front Speaker Output (-)
B6	TN	201	Left Front Speaker Output (+)
B7	GY	1690	Automatic Day/Night Mirror Signal (DL3/DR4)

Junction Block - Left I/P, Label

Junction Block - Left I/P, Device Usage

Device	Rating	Description
DRIVER SEAT 2 Circuit Breaker	25A	Memory Seat Module (AN3), Seat Adjuster Switch - Driver (AG1 Except AN3)
PASS SEAT 1 Circuit Breaker	25A	Seat Adjuster Switch - Passenger, Seat Lumbar Switch - Passenger (AN3)
PWR REAR WNDW Circuit Breaker	25A	Not Used
RT DOORS Circuit Breaker	25A	Passenger Door Switch (PDS), Window Switch - RR
Important: Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.
PARK ENABLE PCB Relay	--	Folding Seat Switch - Front (ARS), Folding Seat Switch - LR (ARS), Folding Seat Switch - RR (ARS), I/P Multifunction Switch Assembly
ELECTRONIC ADJUSTABLE PEDALS Relay	--	Adjustable Pedals Assembly (JF4 Except AN3)

Junction Block - Left I/P, Top View

Junction Block - Left I/P, Bottom View

Junction Block - Left I/P C1

Connector Part Information

OEM: 15467568
Service: 19115661
Description: 50-Way F GT 280 Metri-Pack 800 Series (GY)

Terminal Part Information

Pins: F1
Terminal/Tray: 12110127/19
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Pins: D1, K2
Terminal/Tray: 15304713/19
Core/Insulation Crimp: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A1-A5, B2-B4, C1-C4, D3, E1, E3, G1, H1, K1, K3, L1-L4, M2-M4, N1-N5, P1-P5
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins A1-A5, B2, B4, C1-C4, D3, E1, H1, K1, L1-L4, M2-M4, N1-N5, P1-P5: E/A
Core/Insulation Crimp: Pins B3, E3, G1, K3: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C1

Pin	Wire Color	Circuit No.	Function
A1	RD/WH	4440	Battery Positive Voltage
A2	--	--	Not Used
A3	PK	239	Ignition 1 Voltage
A3	PK	239	Ignition 1 Voltage (NP8)
A4	PK	239	Ignition 1 Voltage
A4	PK	239	Ignition 1 Voltage (Export)
A5	BK	2550	Ground (Y91 w/U42)
A5	BK	2550	Ground (Y91 w/U42/UK6)
B1	--	--	Not Used
B2	L-BU	1320	CHMSL Supply Voltage
B2	L-BU	1320	CHMSL Supply Voltage (Export)
B3	BK	2550	Ground
B4	GY	157	Cargo Lamp Supply Voltage
B5	--	--	Not Used
C1	PK	1639	Ignition 1 Voltage
C2	BN/WH	230	Instrument Panel Lamp Dimming Control
C3	BK	2550	Ground (Y91 w/UE1)
C3	BK	2550	Ground (Y91w/U2K)
C4	YE/BK	5813	Park Enable Supply Voltage (JF4)
C5	--	--	Not Used
D1	RD/WH	1340	Battery Positive Voltage
D2	--	--	Not Used
D3	BN/WH	230	Instrument Panel Lamp Dimming Control (CF5)
D4-D5	--	--	Not Used
E1	BK/WH	1851	Ground (BRS)
E1	BK/WH	1851	Ground (XA7)
E2	--	--	Not Used
E3	BK/WH	1851	Ground
E3	BK/WH	1851	Ground
F1	RD/BK	642	Battery Positive Voltage
G1	BK/WH	1851	Ground
G1	BK/WH	1851	Ground
H1	BK/WH	1851	Ground
H1	BK/WH	1851	Ground
K1	BK/WH	1851	Ground
K1	BK/WH	1851	Ground
K2	BK/WH	1851	Ground
K3	BK/WH	1851	Ground
K3	BK/WH	1851	Ground (Export)
L1	OG	6815	Inadvertent Power Control
L2	RD/WH	240	Battery Positive Voltage (TQ5/TRW/UG1)
L3	PU/WH	6816	Indicator Dimming Control
L4	WH/BK	5515	Inside Air Temperature Sensor Assembly Control (CJ2)
L5	--	--	Not Used
M1	--	--	Not Used
M2	D-BU	38	Backup Lamp Relay Control
M2	D-BU	38	Backup Lamp Relay Control
M3	PU/WH	6816	Indicator Dimming Control
M3	PU/WH	6816	Indicator Dimming Control (Z75)
M4	D-GN	734	Inside Air Temperature Sensor Signal (CJ2)
M5	--	--	Not Used
N1	D-GN/WH	636	Ambient Air Temperature Sensor Signal (DF5)
N2	YE	61	Low Reference (DF5)
N3-N4	--	--	Not Used
N5	PK	1139	Ignition 1 Voltage
P1	PK	1691	Low Reference (DL3/DR4)
P2	GY	1690	Automatic Day/Night Mirror Signal (DL3/DR4)
P3-P4	--	--	Not Used
P5	D-GN	6101	Low Reference

Junction Block - Left I/P C2

Connector Part Information

OEM: 15467567
Service: 19149284
Description: 50-Way F GT 280 Metri-Pack 800 Series (BK)

Terminal Part Information

Pins: A1, A2, D3, E1-E3, G1, H1, K1-K3, L3-L5, M3, M5, N1-N5, P2, P3, P5
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins A1, A2, D3, E1-E3, G1, H1, K1-K3, L3-L5, M3, M5, N1-N5, P2, P3, P5: E/A
Core/Insulation Crimp: Pin D3: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: B1, C2, D1
Terminal/Tray: 15304713/19
Core/Insulation Crimp: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C2

Pin	Wire Color	Circuit No.	Function
A1	PK	739	Ignition 1 Voltage
A2	YE	43	Accessory Voltage
A2	YE	43	Accessory Voltage (6J1/CF5)
A3-A4	--	--	Not Used
A5	RD/WH	1040	Battery Positive Voltage (D07 Except Y91)
B1	RD/WH	2340	Battery Positive Voltage
B2-B4	--	--	Not Used
B5	RD/WH	3240	Battery Positive Voltage (U42/UE1 Except Y91)
C1	--	--	Not Used
C2	BK	2550	Ground (Y91 w/UQA/UQS)
C3	RD/WH	340	Battery Positive Voltage (UK6/U2K Except Y91)
C4-C5	--	--	Not Used
D1	BK	1050	Ground
D2	--	--	Not Used
D3	RD/WH	4540	Battery Positive Voltage
D3	RD/WH	4540	Battery Positive Voltage (Export/PPV)
D4-D5	--	--	Not Used
E1	OG/BK	5285	Adjustable Pedals Motor Rearward Control (JF4)
E2	RD/WH	740	Battery Positive Voltage (6J1/ARS/JF4)
E3	YE	6812	Park Enable Relay Control (6J1/ARS/JF4)
G1	PU	5286	Adjustable Pedals Motor Forward Control (JF4)
H1	D-GN/WH	817	Vehicle Speed Signal
H1	D-GN/WH	817	Vehicle Speed Signal (U3R/U3U/UVB)
J1	--	--	Not Used
K1	YE	6817	LED Backlight Dimming Control (Z75)
K2	YE	6817	LED Backlight Dimming Control
K2	YE	6817	LED Backlight Dimming Control (Z75)
K3	D-GN	5060	Low Speed GMLAN Serial Data
L1-L2	--	--	Not Used
L3	YE	6817	LED Backlight Dimming Control (UK3)
L4	YE	6817	LED Backlight Dimming Control
L5	TN/BK	2500	High Speed GMLAN Serial Data Bus+
L5	TN/BK	2500	High Speed GMLAN Serial Data Bus+
M1-M2	--	--	Not Used
M3	YE	6817	LED Backlight Dimming Control
M3	YE	6817	LED Backlight Dimming Control (CJ3)
M4	--	--	Not Used
M5	TN	2501	High Speed GMLAN Serial Data Bus-
M5	TN	2501	High Speed GMLAN Serial Data Bus-
N1	PU	5234	Passenger Seat Belt Indicator
N2-N3	--	--	Not Used
N4	YE	6817	LED Backlight Dimming Control
N4	YE	6817	LED Backlight Dimming Control
N5	TN	2501	High Speed GMLAN Serial Data Bus-
P1	--	--	Not Used
P2	D-BU	2307	Passenger Air Bag On Indicator Control
P3	D-GN	2308	Passenger Air Bag Off Indicator Control
P4	RD/WH	3740	Battery Positive Voltage (UQA Except Y91)
P5	TN/BK	2500	High Speed GMLAN Serial Data Bus+

Junction Block - Left I/P C3

Connector Part Information

OEM: 13516840
Service: 19149295
Description: 8-Way F GT 280 Series (GN)

Terminal Part Information

Pins: 1-7
Terminal/Tray: 15304711/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315147/J-35616-4A (PU)

Pin: 8
Terminal/Tray: 15304713/19
Core/Insulation Crimp: 4/4
Release Tool/Test Probe: 15315147/J-35616-4A (PU)

Junction Block - Left I/P C3

Pin	Wire Color	Circuit No.	Function
1	TN/BK	2500	High Speed GMLAN Serial Data Bus+
2	--	--	Not Used
3	TN	2501	High Speed GMLAN Serial Data Bus-
4	YE	6817	LED Backlight Dimming Control (UK6 Except Y91)
5	TN	2501	High Speed GMLAN Serial Data Bus-
6	BK	1050	Ground (D07)
7	TN/BK	2500	High Speed GMLAN Serial Data Bus+
8	RD/WH	3740	Battery Positive Voltage (UQA Except Y91)

Junction Block - Left I/P C4 (Except Y91)

Connector Part Information

OEM: 13516829
Service: 19115667
Description: 8-Way F GT 280 Series (OG)

Terminal Part Information

Pins: 1-3, 5-8
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pin 1: E/A
Core/Insulation Crimp: Pins 2, 3, 5-8: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pin: 4
Terminal/Tray: 15304713/19
Core/Insulation Crimp: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C4 (Except Y91)

Pin	Wire Color	Circuit No.	Function
1	D-GN	5060	Low Speed GMLAN Serial Data (UE1/U2K/UK6)
2	RD/WH	340	Battery Positive Voltage (UK6)
2	RD/WH	340	Battery Positive Voltage (U2K)
3	D-GN/WH	817	Vehicle Speed Signal (U3R/U3U/UVB)
4	BK	2550	Ground (UQA)
5	BK	2550	Ground (UE1)
5	BK	2550	Ground (U2K)
6	RD/WH	3240	Battery Positive Voltage (UE1)
6	RD/WH	3240	Battery Positive Voltage (U42)
7	BK	2550	Ground (U42/UK6)
7	BK	2550	Ground (U42)
8	RD/WH	1040	Battery Positive Voltage (D07)

Junction Block - Left I/P C7 (JF4)

Connector Part Information

OEM: 13516836
Service: 19149294
Description: 8-Way F GT 280 Series (OG)

Terminal Part Information

Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins: 1, 3, 5: E/A
Core/Insulation Crimp: Pins: 2, 4: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C7 (JF4)

Pin	Wire Color	Circuit No.	Function
1	GY	6206	Low Reference
2	YE	5129	Adjustable Pedal Actuator Rearward Control
3	TN	6207	5-Volt Reference
4	PU	5130	Adjustable Pedal Actuator Forward Control
5	PK	5289	Adjustable Pedal Sensor Signal
6-8	--	--	Not Used

Junction Block - Left I/P C8

Connector Part Information

OEM: 13516835
Service: 19149293
Description: 8-Way F GT 280 Series (GN)

Terminal Part Information

Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins 1, 4-8: E/A
Core/Insulation Crimp: Pin 3: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C8

Pin	Wire Color	Circuit No.	Function
1	YE/BK	5813	Park Enable Supply Voltage
2	--	--	Not Used
3	BK	1050	Ground
4	D-BU	2307	Passenger Air Bag On Indicator Control (AL0)
5	PU	5234	Passenger Seat Belt Indicator (AL0)
6	--	--	Not Used
7	D-GN/BK	2308	Passenger Air Bag Off Indicator Control (AL0)
8	D-GN	5060	Low Speed GMLAN Serial Data (TQ5)

Junction Block - Left I/P C9

Connector Part Information

OEM: 13516831
Service: 19149289
Description: 8-Way F GT 280 Series (BK)

Terminal Part Information

Terminal/Tray: 15304711/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C9

Pin	Wire Color	Circuit No.	Function
1	PK	1639	Ignition 1 Voltage (DF5)
2	WH/BK	5515	Inside Air Temperature Sensor Assembly Control (CJ2)
3	--	--	Not Used
4	D-GN	734	Inside Air Temperature Sensor Signal (CJ2)
5	PK	1139	Ignition 1 Voltage
6	--	--	Not Used
7	D-GN	6101	Low Reference
8	BN/WH	230	Instrument Panel Lamp Dimming Control

Junction Block - Left I/P C10

Connector Part Information

OEM: 13516830
Service: 19149291
Description: 8-Way F GT 280 Series (GY)

Terminal Part Information

Terminal/Tray: 15304711/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C10

Pin	Wire Color	Circuit No.	Function
1	RD/WH	240	Battery Positive Voltage
1	RD/WH	240	Battery Positive Voltage (TRW/UG1)
2	OG	6815	Inadvertent Power Control
3	D-BU	38	Backup Lamp Relay Control (DF5)
4	GY	157	Interior Lamp Control
5	YE	61	Low Reference (Manual A/C w/DF5)
6	D-GN/WH	636	Ambient Air Temperature Sensor Signal (Manual A/C w/DF5)
7	GY	1690	Automatic Day/Night Mirror Signal (DL3/DR4)
8	PK	1691	Low Reference (DL3/DR4)

Junction Block - Left I/P C11

Connector Part Information

OEM: 13516833
Service: 19115668
Description: 8-Way F GT 280 Series (L-GY)

Terminal Part Information

Pins: 1, 2
Terminal/Tray: 15304713/19
Core/Insulation Crimp: F/D
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: 3-8
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins 3, 5-6, 8: E/A
Core/Insulation Crimp: Pins 4, 7: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C11

Pin	Wire Color	Circuit No.	Function
1	RD/WH	1340	Battery Positive Voltage
2	RD/WH	1440	Battery Positive Voltage (AG2)
3	PK	1639	Ignition 1 Voltage
4	BN/WH	230	Instrument Panel Lamp Dimming Control
4	BN/WH	230	Instrument Panel Lamp Dimming Control
5	D-BU	38	Backup Lamp Relay Control (UVC)
6	L-BU	1320	CHMSL Supply Voltage
7	RD/WH	4440	Battery Positive Voltage
7	RD/WH	4440	Battery Positive Voltage
8	RD/WH	4440	Battery Positive Voltage (ASF)

Junction Block - Left I/P C12

Connector Part Information

OEM: 13516834
Service: 19149292
Description: 8-Way F GT 280 Series (BN)

Terminal Part Information

Pins: 1, 8
Terminal/Tray: 15304713/19
Core/Insulation Crimp: F/D
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: 3-7
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins 3, 5-7: E/A
Core/Insulation Crimp: Pins 4: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C12

Pin	Wire Color	Circuit No.	Function
1	RD/WH	5040	Battery Positive Voltage
2	--	--	Not Used
3	PU/WH	6205	12-Volt Reference (JF4 w/AN3)
4	YE/BK	5813	Park Enable Supply Voltage (ARS)
4	YE/BK	5813	Park Enable Supply Voltage (ARS)
5	GY	157	Interior Lamp Control (LWB/Except E52)
6	PK	1139	Ignition 1 Voltage
7	PK	239	Ignition 1 Voltage (KB6)
7	PK	239	Ignition 1 Voltage (UVC)
8	BK	2550	Ground

Junction Block - Left I/P C13 (JF4 w/AN3)

Connector Part Information

OEM: 13516832
Service: 19149290
Description: 8-Way F GT 280 Series (D-BU)

Terminal Part Information

Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins 1, 2: 2/A
Core/Insulation Crimp: Pins 3-8: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P C13 (JF4 w/AN3)

Pin	Wire Color	Circuit No.	Function
1	PU	5130	Adjustable Pedal Actuator Forward Control
2	YE	5129	Adjustable Pedal Actuator Rearward Control
3	PU	5286	Adjustable Pedals Motor Forward Control
4	OG/BK	5285	Adjustable Pedals Motor Rearward Control
5	--	--	Not Used
6	GY	6206	Memory Sensor Low Reference
7	TN	6207	Memory Sensor High Reference
8	PK	5289	Adjustable Pedal Sensor Signal

Junction Block - Right I/P, Top View

Junction Block - Right I/P C1 (Wire Entry)

Connector Part Information

OEM: 15489487
Service: See Catalog
Description: 40-Way F (BK)

Terminal Part Information

Pins: 3A2, 3B2
Terminal/Tray: 15304702/19
Core/Insulation Crimp: 2/4
Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Pins: 2A4, 2B4, 3B1, 5A, 5C, 5D, 5E, 5F
Terminal/Tray: 15304722/8
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-5 (PU)

Pins: 2B1, 3A1, 3A4, 3B4, 5B
Terminal/Tray: 15304724/8
Core/Insulation Crimp: Pins 3A1, 3A4, 5B: 2/A
Core/Insulation Crimp: Pins 2B1, 3B4: C/D
Release Tool/Test Probe: 15315247/J-35616-5 (PU)

Pins: 2A2, 2A3, 2B3, 2B6, 2B7, 3A7, 4A1, 4A2, 4A3, 4A4, 4A5, 4A6, 4A7, 4B2, 4B3, 4B5, 4B6
Terminal/Tray: 15304701/19
Core/Insulation Crimp: Pins 2A2, 2A3, 2B3, 2B7, 3A7, 4A1, 4A2, 4A3, 4A4, 4A5, 4A6, 4A7, 4B2, 4B3, 4B5, 4B6, 5B: E/C
Core/Insulation Crimp: Pins 2B1, 3B4: C/D
Core/Insulation Crimp: Pins 2B6: E/4
Release Tool/Test Probe: 15315247/J-35616-3 (GY)

Pins: 6A, 6B
Terminal/Tray: 12066493/3
Core/Insulation Crimp: Pin 6A: B/G
Core/Insulation Crimp: Pin 6B: F/G
Release Tool/Test Probe: 12094430/J-35616-43 (RD)

Junction Block - Right I/P C1 (Wire Entry)

Pin	Wire Color	Circuit No.	Function
2A1	--	--	Not Used
2A2	TN	481	Rain Sense Signal 1 (CE1)
2A3	L-GN	482	Rain Sense Signal 2 (CE1)
2A4	WH	2283	Rear Wiper/Washer Switch Supply Voltage (E52)
2A4-2A7	--	--	Not Used
2B1	RD/WH	3140	Battery Positive Voltage (CF5/TRW)
2B2	--	--	Not Used
2B3	YE	43	Accessory Voltage (CF5)
2B4	BN/WH	230	Instrument Panel Lamp Dimming Control (CF5)
2B5	--	--	Not Used
2B6	BK	1050	Ground (CE1)
2B7	OG	300	Ignition 3 Voltage (Export w/CF5)
3A1	D-GN	117	Right Front Speaker Output (-)
3A2	L-GN	200	Right Front Speaker Output (+)
3A3	--	--	Not Used
3A4	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage (DL3/DPN)
3A4	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage (DL3/DPN)
3A5-3A6	--	--	Not Used
3A7	BK	1050	Ground
3B1	D-GN	5060	Low Speed GMLAN Serial Data
3B2	RD/WH	240	Battery Positive Voltage
3B3	--	--	Not Used
3B4	RD/WH	1340	Battery Positive Voltage
3B5-3B7	--	--	Not Used
4A1	GY	598	5-Volt Reference
4A2	TN	520	Lower Right Air Temperature Sensor Signal (CJ2)
4A3	TN	518	Lower Left Air Temperature Sensor Signal (CJ2)
4A4	YE	1791	Low Reference
4A5	PU	1838	Recirculation Door Position Signal (CJ2)
4A6	GY/BK	754	Blower Motor Speed Control
4A7	BK	1050	Ground
4B1	--	--	Not Used
4B2	D-BU	1199	Air Temperature Door Control
4B3	TN	2273	Mode Door Control
4B4	--	--	Not Used
4B5	YE/BK	713	Defrost/Heater Mode Valve Position Sensor Signal
4B6	L-BU	733	Air Temperature Door Position Signal
4B7	--	--	Not Used
5A	D-GN	6101	Low Reference
5B	PK	839	Ignition 1 Voltage
5B	PK	839	Ignition 1 Voltage
5C	PK	839	Ignition 1 Voltage
5D	D-BU	1646	Auxiliary Air Temperature Door Position Signal
5E	WH/BK	1236	Auxiliary Air Temperature Door Control
5F	D-GN	1614	Recirculation Door Control
6A	RD/BK	542	Battery Positive Voltage
6B	BK	1050	Ground
6B	BK	1050	Ground

Junction Block - Right I/P C2

Connector Part Information

OEM: 15467621
Service: 19115663
Description: 14-Way F GT 150 280 Series (D-GY)

Terminal Part Information

Pins: A2, A3, B3, B6
Terminal/Tray: 12191812/19
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: A4, B4, B7
Terminal/Tray: 15304711/8
Core/Insulation Crimp: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A7, B1
Terminal/Tray: 15304713/19
Core/Insulation Crimp: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Right I/P C2

Pin	Wire Color	Circuit No.	Function
A1	--	--	Not Used
A2	TN	481	Rain Sense Signal 1 (CE1)
A3	L-GN	482	Rain Sense Signal 2 (CE1)
A4	WH	2283	Rear Wiper/Washer Switch Supply Voltage (CE1)
A5-A6	--	--	Not Used
A7	BK	1050	Ground (CF5/TRW)
B1	RD/WH	3140	Battery Positive Voltage (CF5/TRW)
B2	--	--	Not Used
B3	YE	43	Accessory Voltage (CF5)
B4	BN/WH	230	Instrument Panel Lamp Dimming Control (CF5)
B5	--	--	Not Used
B6	BK	1050	Ground (CE1)
B7	OG	300	Ignition 3 Voltage (Export w/CF5)

Junction Block - Right I/P C3

Connector Part Information

OEM: 15467622
Service: 19115664
Description: 14-Way F GT 150 280 Series (L-GY)

Terminal Part Information

Pins: A2, B2
Terminal/Tray: 12191812/19
Core/Insulation Crimp: C/A
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Pins: A1, A4, B1
Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pin A1: 2/A
Core/Insulation Crimp: Pins A4, B1: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A7, B4
Terminal/Tray: 15304713/19
Core/Insulation Crimp: Pin A7: F/D
Core/Insulation Crimp: Pin B4: 4/4
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Right I/P C3

Pin	Wire Color	Circuit No.	Function
A1	D-GN	117	Right Front Speaker Output (-)
A2	L-GN	200	Right Front Speaker Output (+)
A3	--	--	Not Used
A4	D-BU/WH	1315	Right Front Turn Signal Lamp Supply Voltage (DL3/DPN)
A5-A6	--	--	Not Used
A7	BK	1050	Ground
B1	D-GN	5060	Low Speed GMLAN Serial Data
B2	RD/WH	240	Battery Positive Voltage
B3	--	--	Not Used
B4	RD/WH	1340	Battery Positive Voltage
B5-B7	--	--	Not Used

Junction Block - Right I/P C4

Connector Part Information

OEM: 15467620
Service: 19115662
Description: 14-Way F GT 150 280 Series (BK)

Terminal Part Information

Pins: A1, A4, B1, B4
Terminal/Tray: 15304711/8
Core/Insulation Crimp: 2/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Pins: A2, A3, A5, A6, B2, B3, B5, B6
Terminal/Tray: 12191812/19
Core/Insulation Crimp: E/C
Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Junction Block - Right I/P C4

Pin	Wire Color	Circuit No.	Function
A1	L-BU/BK	598	5-Volt Reference
A1	L-BU/BK	598	5-Volt Reference
A2	GY/BK	520	Lower Right Air Temperature Sensor Signal (CJ2)
A3	WH/BK	518	Lower Left Air Temperature Sensor Signal (CJ2)
A4	YE	1791	Low Reference
A4	YE	1791	Low Reference
A5	PU	1838	Recirculation Door Position Signal (CJ2)
A6	PU/WH	754	Blower Motor Speed Control
A7	--	--	Not Used
B1	L-BU/BK	598	5-Volt Reference
B1	L-BU/BK	598	5-Volt Reference
B2	D-BU	1199	Left Air Temperature Door Control
B3	TN	2273	Mode Door Control
B4	YE	1791	Low Reference
B4	YE	1791	Low Reference
B5	L-GN	713	Mode Door Position Signal
B6	L-BU	733	Left Air Temperature Door Position Signal
B7	--	--	Not Used

Junction Block - Right I/P C5

Connector Part Information

OEM: 15326900
Service: 15306380
Description: 6-Way F GT 280 Series (BK)

Terminal Part Information

Terminal/Tray: 15304711/8
Core/Insulation Crimp: Pins A-C: 2/A
Core/Insulation Crimp: Pins D-F: E/A
Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Right I/P C5

Pin	Wire Color	Circuit No.	Function
A	BN	6101	Low Reference (CJ2)
A	BN	6101	Low Reference (CJ2)
B	BN	839	Ignition 1 Voltage
B	BN	839	Ignition 1 Voltage
C	BN	839	Ignition 1 Voltage
C	BN	839	Ignition 1 Voltage
D	D-BU	1646	Right Air Temperature Door Position Signal
E	WH/BK	1236	Right Air Temperature Door Control
F	D-GN	1614	Recirculation Door Control

Junction Block - Right I/P C6

Connector Part Information

OEM: 12129939
Service: 15306380
Description: 2-Way F Metri-Pack 630 Series (BK)

Terminal Part Information

Terminal/Tray: 12084590/3
Core/Insulation Crimp: F/G
Release Tool/Test Probe: 12094430/J-35616-42 (RD)

Junction Block - Right I/P C6

Pin	Wire Color	Circuit No.	Function
A	RD	542	Battery Positive Voltage
B	BK	1050	Ground