GM Service Manual Online
For 1990-2009 cars only
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 X1
Connector 5: Fuse Block - Underhood X2
Connector 6: Fuse Block - Underhood X3
Connector 7: Fuse Block - Underhood X4
Connector 8: Fuse Block - Underhood X5
Connector 9: Fuse Block - Underhood X6
Connector 10: Fuse Block - Underhood X7
Connector 11: Fuse Block - Underhood X8
Connector 12: Fuse Block - I/P, Label
Connector 13: Fuse Block - I/P, Top View
Connector 14: Fuse Block - I/P, Bottom View
Connector 15: Fuse Block - I/P X1
Connector 16: Fuse Block - I/P X2
Connector 17: Fuse Block - I/P X3
Connector 18: Fuse Block - I/P X4
Connector 19: Junction Block - Battery Cable
Connector 20: Junction Block - Left I/P, Label
Connector 21: Junction Block - Left I/P, Top View
Connector 22: Junction Block - Left I/P, Bottom View
Connector 23: Junction Block - Left I/P X1
Connector 24: Junction Block - Left I/P X2
Connector 25: Junction Block - Left I/P X3
Connector 26: Junction Block - Left I/P X4
Connector 27: Junction Block - Left I/P X5 (SPO Alarm)
Connector 28: Junction Block - Left I/P X8
Connector 29: Junction Block - Left I/P X9
Connector 30: Junction Block - Left I/P X10
Connector 31: Junction Block - Left I/P X11
Connector 32: Junction Block - Left I/P X12
Connector 33: Junction Block - Right I/P, Top View
Connector 34: Junction Block - Right I/P X1 (Wire Entry)
Connector 35: Junction Block - Right I/P X2
Connector 36: Junction Block - Right I/P X3
Connector 37: Junction Block - Right I/P X4
Connector 38: Junction Block - Right I/P X5
Connector 39: Junction Block - Right I/P X6

Fuse Block - Underhood, Label


Object Number: 1999657  Size: MF

Fuse Block - Underhood, Device Usage

No.

Device

Rating

Description

1

TRLR STOP LT Fuse

10A

Trailer Wiring, Tail/Stop and Turn Signal Lamp - Left

2

ENG Fuse

15A

Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Evaporative Emission (EVAP) Canister Purge Solenoid Valve

3

ECM/THROT CNTRL Fuse

15A

Engine Control Module (ECM)

4

TRLR STOP RT Fuse

10A

Trailer Wiring, Tail/Stop and Turn Signal Lamp - Right

5

FRT WSW Fuse

15A

Washer Fluid Pump

6

O2-B SNSR Fuse

10A

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

7

VSES/ABS-2 Fuse

30A

Electronic Brake Control Module (EBCM)

8

TRLR BK/UP Fuse

10A

Trailer Wiring

9

LO HDLP-LT Fuse

10A

Headlamp - Left

10

ECM-BATT Fuse

10A

Engine Control Module (ECM)

11

INJ-B Fuse

20A

Ignition Coil 2, Ignition Coil 4, Ignition Coil 6, Ignition Coil 8

12

TCM-BATT Fuse

15A

Automatic Transmission, Engine Control Module (ECM), Evaporative Emission (EVAP) Canister Vent Solenoid Valve

13

VEH BCK/UP Fuse

10A

Backup Lamp - Left, Backup Lamp - Right

14

LO HDLP-RT Fuse

10A

Headlamp - Right

15

A/C CMPRSR Fuse

10A

A/C Compressor Clutch

16

O2-A SNSR Fuse

10A

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1

17

TRANS IGN 1 Fuse

15A

Automatic Transmission

18

FUEL Fuse

20A

Engine Control Module (ECM), Fuel System Control Module

19

REAR WSW Fuse

15A

Washer Fluid Pump

20

INJ-A Fuse

20A

Ignition Coil 1, Ignition Coil 3, Ignition Coil 5, Ignition Coil 7

21

TRLR PRK Fuse

15A

Trailer Wiring

22

LT PRK Fuse

15A

Park/Turn Signal Lamp - Left Front

23

RT PRK Fuse

15A

Park/Turn Signal Lamp - Right Front

24

HORN Fuse

15A

Horn - Left, Horn - Right

25

HI HDLP-RT Fuse

10A

Headlamp - Right

26

DRL Fuse

10A

Daytime Running Lamp (DRL) - Left, Daytime Running Lamp (DRL) - Right

27

HI HDLP-LT Fuse

10A

Headlamp - Left

28

S/ROOF Fuse

30A

Sunroof Module

29

DLIS Fuse

2A

Ignition Switch

30

WPR Fuse

25A

WIPER CONTROL PCB Relay

31

SEO B2 Fuse

30A

Upfitter Provision

32

ECAS Fuse

15A

Air Suspension Module

33

HVAC BATT Fuse

10A

HVAC Control Module

34

AIRBAG IGN Fuse

10A

Junction Block - Left I/P

35

AMP Fuse

30A

Audio Amplifier

36

RDO Fuse

15A

Radio, Rear Seat Audio (RSA) Controller, Digital Radio Receiver

37

MISC IGN Fuse

10A

Junction Block - Left I/P

38

AIRBAG BATT Fuse

15A

Junction Block - Left I/P

39

IPC Fuse

10A

Body Control Module (BCM), Instrument Panel Cluster (IPC)

40

RUN/ACCY Fuse

10A

Midgate Module

41

AUX HVAC-IGN Fuse

10A

Instrument Panel Cluster (IPC)

42

REAR DEFOG Fuse

30A

Midgate Control Module (SUT), Rear Window Defogger (SUV)

43

SEO B1 Fuse

15A

Upfitter Provision

44

LTR Fuse

15A

Data Link Connector (DLC)

45

SEO Fuse

10A

Upfitter Provision

46

HVAC-IGN Fuse

10A

Junction Block - Right I/P

47

ECM-IGN Fuse

15A

Engine Control Module (ECM), Fuel System Control Module, Electronic Brake Control Module

50

FAN-1 Fuse

40A

FAN LO Relay

51

ECAS Fuse

60A

Air Suspension Relay

52

VSES/ABS-1 Fuse

60A

Electronic Brake Control Module (EBCM)

53

FAN-2 Fuse

40A

FAN HI Relay

54

STRTR Fuse

40A

Starter

55

STUD-2 TRLR Fuse

30A

Trailer Wiring

56

LBEC 1 Fuse

60A

Junction Block - Left I/P

57

WSW/HTR Fuse

60A

Windshield Washer Solvent Heater

58

TREC Fuse

30A

Transfer Case Shift Control Module

59

STUD-1 TRLR RCPT Fuse

40A

Trailer Wiring

60

MBEC 1 Fuse

60A

Junction Block - Left I/P

61

HVAC BLWR Fuse

40A

Junction Block - Right I/P

62

LBEC 2 Fuse

60A

Fuse Block I/P

--

A/C CMPRSR Relay

--

A/C CMPRSR Fuse

--

FAN CNTRL Relay

--

AXH VLV Fuse

--

FAN HI Relay

--

FOG LAMP Fuse

--

FAN LO Relay

--

FOG LAMP 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/CRANK 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

Fuse Block - Underhood, Top View


Object Number: 1999681  Size: MF

Fuse Block - Underhood, Bottom View


Object Number: 1991083  Size: MF

Fuse Block - Underhood X1


Object Number: 1665656  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1, A2, A4, B3, E1, E4, F4, F5, F7, F8
  • Terminal/Tray: 15496302/5
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: A7, A8, E2, E3
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B3, E5, E5
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: 4/4
  • 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)

Fuse Block - Underhood X1

Pin

Wire

Circuit

Function

A1

0.5 BK

250

Ground

A2

0.5 L-BU/WH

1314

Left Front Turn Signal Lamp Supply Voltage

A3

--

--

Not Used

A4

0.5 D-BU/WH

1315

Right Front Turn Signal Lamp Supply Voltage

A5-A6

--

--

Not Used

A7

1 L-GN/BK

311

Right Headlamp High Beam Supply Voltage

A8

0.8 D-GN/WH

711

Left Headlamp High Beam Supply Voltage

B1-B2

--

--

Not Used

B3

0.35 D-BU

545

DRL Supply Voltage

0.35 D-BU

545

DRL Supply Voltage

B4-B5

--

--

Not Used

C1

5 GY

532

Cooling Fan Motor Supply Voltage

C2

5 YE

5358

Auxiliary Cooling Fan Motor Supply Voltage

D1

5 L-BU

409

Cooling Fan Motor Supply Voltage

D2

5 BK

150

Ground

E1

0.5 OG

228

Windshield Washer Pump Control

E2

0.8 YE

712

Left Headlamp Low Beam Supply Voltage

E3

0.8 TN/WH

312

Right Headlamp Low Beam Supply Voltage

E4

0.5 D-BU

227

Rear Window Washer Pump Control

E5

0.8 D-GN

29

Horn Control

0.5 D-GN

29

Horn Control

F1-F3

--

--

Not Used

F4

0.5 BN

2609

Right Rear Park Lamps Supply Voltage

F5

0.5 BN

2609

Right Rear Park Lamps Supply Voltage

F6

--

--

Not Used

F7

0.5 BN

2509

Left Rear Park Lamps Supply Voltage

F8

0.5 BN

2509

Left Rear Park Lamps Supply Voltage

Fuse Block - Underhood X2


Object Number: 1665660  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1, B5, C3, C5, D3, D4, L1-L5, M1-M5, N1, N3, N4, P2, P3, P5
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: Pins A1, B5, C3, C5, D3, L2-L4, M1, M3-M5, N1, N3, N4, P2, P3, P5 -E/A
  • Core/Insulation Crimp: Pins D4, 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)
  • Pins: N5
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Underhood X2

Pin

Wire

Circuit

Function

A1

0.5 D-GN

335

Low Speed Cooling Fan Relay Control

A2-A5

--

--

Not Used

B1-B4

--

--

Not Used

B5

0.5 D-BU

473

High Speed Cooling Fan Relay Control

C1-C2

--

--

Not Used

C3

0.5 D-GN/WH

459

A/C Compressor Clutch Relay Control

C4

--

--

Not Used

C5

0.5 YE/BK

625

Starter Enable Relay Control

D1-D2

--

--

Not Used

D3

0.5 RD/WH

440

Battery Positive Voltage

D4

0.8 D-GN

59

A/C Compressor Clutch Supply Voltage

D5

--

--

Not Used

E1-E3

--

--

Not Used

F1

3 PU

6

Starter Solenoid Crank Voltage

G1

--

--

Not Used

H1

--

--

Not Used

J1

--

--

Not Used

K1-3

--

--

Not Used

L1

--

--

Not Used

L2

0.5 PK

1539

Ignition 1 Voltage

0.5 PK

1539

Ignition 1 Voltage

L3

0.8 PK

1239

Ignition 1 Voltage

0.8 PK

1239

Ignition 1 Voltage

L4

0.5 PK

539

Ignition 1 Voltage

0.5 PK

539

Ignition 1 Voltage

L5

1 PK

1039

Ignition 1 Voltage

M1

0.5 PK

1839

Ignition 1 Voltage

0.5 PK

1839

Ignition 1 Voltage

M2

1 PK

1239

Ignition 1 Voltage

M3

0.8 PK

1239

Ignition 1 Voltage

0.8 PK

1239

Ignition 1 Voltage

M4

0.8 PK

1039

Ignition 1 Voltage

0.8 PK

1039

Ignition 1 Voltage

M5

0.8 PK

1039

Ignition 1 Voltage

0.8 PK

1039

Ignition 1 Voltage

N1

0.5 PK

1339

Ignition 1 Voltage

N2

--

--

Not Used

N3

0.5 RD/WH

1840

Battery Positive Voltage

N4

0.5 PK

2139

Ignition 1 Voltage

N5

3 BK

550

Ground

P1

--

--

Not Used

P2

0.5 YE

5991

Powertrain Relay Coil Control

P3

0.5 L-BU/WH

6311

TCC Brake Signal

0.5 L-BU/WH

6311

TCC Brake Signal

P4

--

--

Not Used

P5

0.5 PK

439

Ignition 1 Voltage

Fuse Block - Underhood X3


Object Number: 1665657  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1-A5, A7, A8, B4, E2, E3, F1, F5, F7, F8
  • Terminal/Tray: 15496302/5
  • Core/Insulation Crimp: Pins A1, A2, A7, B4, E2, F1, F8 - 2/A
  • Core/Insulation Crimp: Pins A3, A4, A5, A8, E3, F5, F7 - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: E1, E3
  • Terminal/Tray:13525450
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B3, E4
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: Pins B3 - F/D
  • Core/Insulation Crimp: Pins E4 - 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: C1, D1
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood X3

Pin

Wire

Circuit

Function

A1

0.8 YE/BK

1335

Right Rear Turn Signal Lamp Supply Voltage

A2

0.8 YE/BK

1334

Left Rear Turn Signal Lamp Supply Voltage

A3

0.5 L-BU

20

Stop Lamp Supply Voltage

A4

0.5 L-BU

20

Stop Lamp Supply Voltage

A5

0.5 RD/WH

1840

Battery Positive Voltage

A6

--

--

Not Used

A7

0.8 BN

2509

Left Rear Park Lamps Supply Voltage

A8

0.5 BN

2509

Left Rear Park Lamps Supply Voltage

B1-B2

--

--

Not Used

B3

3 RD/WH

1640

Battery Positive Voltage

B4

1 BN

2109

Trailer Park Lamps Supply Voltage

B5

--

--

Not Used

C1

5 RD/BK

1842

Battery Positive Voltage (ZM6)

C2

--

--

Not Used

D1

5 RD/BK

1742

Battery Positive Voltage

D2

--

--

Not Used

E1

0.5 D-GN

1619

Trailer Right Rear Turn Lamp Supply Voltage

0.8 D-GN

1619

Trailer Right Rear Turn Lamp Supply Voltage

E2

1 L-GN

1624

Trailer Backup Lamps Supply Voltage

E3

0.5 L-GN

24

Backup Lamp Supply Voltage

0.5 L-GN

24

Backup Lamp Supply Voltage

E4

2 RD/WH

3440

Battery Positive Voltage

E5

--

--

Not Used

F1

0.8 YE

1618

Trailer Left Rear Turn Lamp Supply Voltage

F2-F4

--

--

Not Used

F5

0.5 PK

439

Ignition 1 Voltage

F6

--

--

Not Used

F7

0.5 BN

2609

Right Rear Park Lamps Supply Voltage

F8

0.8 BN

2609

Right Rear Park Lamps Supply Voltage

Fuse Block - Underhood X4


Object Number: 1665659  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1, A3, A7, C1, C3, D4, G1, G5, H5, K5, H1, H2, H4, J4, K1, K2
  • Terminal/Tray: 15496302/5
  • Core/Insulation Crimp: Pins A1, C1, G5, H5, K5 - 2/A
  • Core/Insulation Crimp: Pins A3, A7, C3, D4, G1, H1, H2, H4, J4, K1, K2 - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: B5, G2, G3, J1
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: E1, E2, F2
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - Underhood X4

Pin

Wire

Circuit

Function

A1

0.8 L-BU/WH

1314

Left Front Turn Signal Lamp Supply Voltage

A2

--

--

Not Used

A3

0.5 D-BU

477

Windshield Wiper Switch Signal 1

A4-A6

--

--

Not Used

A7

0.5 WH

193

Rear Defog Relay Control

A8

--

--

Not Used

B1-B4

--

--

Not Used

B5

3 PU

293

Rear Defog Element Supply Voltage

C1

0.8 D-BU/WH

1315

Right Front Turn Signal Lamp Supply Voltage

C2

--

--

Not Used

C3

0.5 TN/WH

1969

Headlamp High Beam Relay Control

C4-C8

--

--

Not Used

D1-D3

--

--

Not Used

D4

0.5 RD/WH

4440

Battery Positive Voltage

D5

--

--

Not Used

E1

5 RD/BK

842

Battery Positive Voltage

E2

5 RD/BK

642

Battery Positive Voltage

F1

--

--

Not Used

F2

5 RD/BK

542

Battery Positive Voltage

G1

0.5 TN

28

Horn Relay Control

G2

3 RD/WH

2340

Battery Positive Voltage

G3

3 RD/WH

3740

Battery Positive Voltage

G4

--

--

Not Used

G5

0.8 RD/WH

4540

Battery Positive Voltage

H1

0.5 BN

2509

Left Rear Park Lamps Supply Voltage

H2

0.5 BN

2609

Right Rear Park Lamps Supply Voltage

H3

--

--

Not Used

H4

0.5 L-GN/BK

592

DRL Relay Control

H5

0.8 D-GN/WH

1335

Right Rear Turn Signal Lamp Supply Voltage

H6-H8

--

--

Not Used

J1

3 RD/WH

3140

Battery Positive Voltage (CF5)

J2-J3

--

--

Not Used

J4

0.5 RD/WH

2840

Battery Positive Voltage

0.5 RD/WH

2840

Battery Positive Voltage

J5

0.8 RD/WH

640

Battery Positive Voltage

0.8 RD/WH

640

Battery Positive Voltage

K1

0.5 L-GN

2270

Rear Window Washer Relay Control (SUV)

K2

0.5 PK/WH

1970

Headlamp Low Beam Relay Control

K3-K4

--

--

Not Used

K5

0.8 YE/BK

1334

Left Rear Turn Signal Lamp Supply Voltage

K6-K8

--

--

Not Used

Fuse Block - Underhood X5


Object Number: 1665658  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A2, B1-B3, C4, C8, D1, D2, D4, G2, G3, G4, G5, H1, H3, H5, H8, J5, K1, K3, K5
  • Terminal/Tray: 15496302/5
  • Core/Insulation Crimp: Pins A2, B1, B2, C4, C8, D1, D2, D4, G2, G3, G4, G5, H1, H3, H5, H8, J5, K1, K3 - E/A
  • Core/Insulation Crimp: Pins K5 - 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: E1, F1, F2
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)
  • Pins: G1, J1, J2
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - Underhood X5

Pin

Wire

Circuit

Function

A1

--

--

Not Used

A2

0.5 L-BU/WH

6311

TCC Brake Signal

A3-A8

--

--

Not Used

B1

0.5 L-BU/WH

6311

TCC Brake Signal

0.5 L-BU/WH

6311

TCC Brake Signal

B2

0.5 RD/WH

740

Battery Positive Voltage

B3

0.5 RD/WH

340

Battery Positive Voltage

1 RD/WH

340

Battery Positive Voltage

B4-B5

--

--

Not Used

C1-C3

--

--

Not Used

C4

0.5 YE

43

Accessory Voltage

C5-C7

--

--

Not Used

C8

0.5 D-BU

45

Park Lamp Relay Control (UE1)

D1

0.5 RD/WH

540

Battery Positive Voltage

D2

0.5 RD/WH

3340

Battery Positive Voltage

D3

--

--

Not Used

D4

0.5 YE

643

Accessory Voltage

D5

--

--

Not Used

E1

5 RD/BK

1642

Battery Positive Voltage (CHW)

E2

--

--

Not Used

F1

3 RD/BK

1342

Battery Positive Voltage

F2

5 RD/BK

42

Battery Positive Voltage

G1

2 BK

550

Ground

G2

0.5 PK

1139

Ignition 1 Voltage

G3

0.5 PK

239

Ignition 1 Voltage

G4

0.5 PK

1639

Ignition 1 Voltage

0.5 PK

1639

Ignition 1 Voltage

G5

0.5 PK

739

Ignition 1 Voltage

H1

0.5 OG

5186

Left Trailer Turn Signal Lamp Control

H2

--

--

Not Used

H3

0.5 YE

5187

Right Trailer Turn Signal Lamp Control

H4

--

--

Not Used

H5

0.5 YE

5199

Run/Crank Relay Control

H6-H7

--

--

Not Used

H8

0.5 D-BU

38

Backup Lamp Relay Control

J1

2 PU

92

Windshield Wiper Motor High Speed

J2

2 D-GN

95

Windshield Washer Switch Signal

J3-J4

--

--

Not Used

J5

0.5 PK

839

Ignition 1 Voltage

K1

0.5 TN

860

Front Windshield Wiper Switch High Signal

K2

--

--

Not Used

K3

0.5 GY

91

Windshield Wiper Switch Signal 2

K4

--

--

Not Used

K5

1 L-BU

20

Stop Lamp Supply Voltage

K6-K8

--

--

Not Used

Fuse Block - Underhood X6


Object Number: 2042479  Size: CH

Connector Part Information

  • OEM: 15488459
  • Service: See Catalog
  • Description: 1-Way F High Power Series (BK)

Terminal Part Information

  • Terminal/Tray: 15496986
  • Core/Insulation Crimp: Not serviced in kit
  • Release Tool/Test Probe: Not serviced in kit

Fuse Block - Underhood X6

Pin

Wire

Circuit

Function

A

19 RD

1

Battery Positive Voltage

Fuse Block - Underhood X7

Terminal Part Information

  • Terminal: 12162099
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal

Fuse Block - Underhood X7

Pin

Wire

Circuit

Function

1

RD/BK

742

Battery Positive Voltage

Fuse Block - Underhood X8

Terminal Part Information

  • Terminal: 12103506
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal

Fuse Block - Underhood X8

Pin

Wire

Circuit

Function

1

RD/BK

242

Battery Positive Voltage

Fuse Block - I/P, Label


Object Number: 2004037  Size: MF

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

15A

Body Control Module (BCM)

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)

INFO Fuse

5A

Remote Control Door Lock Receiver (RCDLR), Video Display

IS LAMPS Fuse

10A

Body Control Module (BCM)

LCK1 Fuse

15A

Door Latch Assembly - Left Rear, Door Latch Assembly - Right Rear

LCK2 Fuse

15A

Endgate Lock Actuator

LT DR Circuit Breaker

25A

Driver Door Module (DDM), Window Switch - Left Rear

LT STOP TRN Fuse

15A

Body Control Module (BCM)

ONSTAR Fuse

10A

Vehicle Communication Interface Module (VCIM) (UE1)

PDM Fuse

15A

Door Lock/Window Switch - Passenger

REAR HVAC Fuse

30A

Blower Motor Control Module - Auxiliary

REAR SEAT Fuse

20A

Heated Seat Control Module - Rear

REAR WPR Fuse

25A

Rear Window Wiper Motor

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

UDGO Fuse

10A

Garage Door Opener (GDO)

UNLCK1 Fuse

15A

Door Latch Assembly - Left Rear, Door Latch Assembly - Right Rear

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


Object Number: 1991093  Size: MF

Fuse Block - I/P, Bottom View


Object Number: 1991091  Size: MF

Fuse Block - I/P X1


Object Number: 1667403  Size: CH

Connector Part Information

  • OEM: 13552254
  • Service: See Catalog
  • Description: 40-Way F GT 150 280 Metri-Pack 800 Series (BK)

Terminal Part Information

  • Pins: A1, A2, A5, A6, C2, H3, H4, H5, K1, K2
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: Pins A1, A2 - C/A
  • Core/Insulation Crimp: Pins A5, A6, C2, H3, H4, K1, K2 - E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: B2, D1, D2, E2, F2, F3, G1, G2, J1, J2, J3
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: E1
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: E3, F1
  • Terminal/Tray: 12110127/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12150860/J-35616-44 (YE)

Fuse Block - I/P X1

Pin

Wire

Circuit

Function

A1

0.8 TN

201

Left Front Speaker Output (+)

A2

0.8 GY

118

Left Front Speaker Output (-)

A3-A4

--

--

Not Used

A5

0.35 GY

1690

Automatic Day/Night Mirror Signal

A6

0.35 PK

1691

Automatic Day/Night Mirror Low Reference

B1

--

--

Not Used

B2

0.8 RD/WH

2540

Not Used

B3

--

--

Battery Positive Voltage

C1

--

--

Not Used

C2

0.35 D-GN

5060

Low Speed GMLAN Serial Data

C3-C6

--

--

Not Used

D1

0.8 RD/WH

3040

Battery Positive Voltage

D2

0.8 RD/WH

2940

Battery Positive Voltage

E1

3 BK

1850

Ground

E2

0.8 RD/WH

240

Battery Positive Voltage

E3

5 RD/BK

842

Battery Positive Voltage

F1

5 RD/BK

42

Battery Positive Voltage

F2

0.8 TN

294

Door Lock Actuator Unlock Control

F3

0.8 RD/WH

3840

Battery Positive Voltage

G1

0.8 GY

295

Door Lock Actuator Lock Control

G2

0.8 RD/WH

1040

Battery Positive Voltage

H1-H4

--

--

Not Used

H5

0.5 RD/WH

3240

Battery Positive Voltage

H6

0.5 RD/WH

4640

Battery Positive Voltage (UE1)

J1

0.8 RD/WH

2740

Battery Positive Voltage

J2

0.8 RD/WH

2240

Battery Positive Voltage

J3

0.8 RD/WH

2140

Battery Positive Voltage

K1

0.35 BN

6136

LED Dimming Supply

K2

0.35 YE

6817

LED Dimming Supply

K3-K6

--

--

Not Used

Fuse Block - I/P X2


Object Number: 1667401  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1, B4, B7
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins A1, B4 - 2/A
  • Core/Insulation Crimp: Pins B7 - E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A4, B1
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: Pins A4 - 4/4
  • Core/Insulation Crimp: Pins B1 - F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B5
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuse Block - I/P X2

Pin

Wire

Circuit

Function

A1

0.8 RD/WH

6040

Battery Positive Voltage

A2-A3

--

--

Not Used

A4

2 RD/WH

2040

Battery Positive Voltage (SUV)

A5-A7

--

--

Not Used

B1

3 RD/WH

1240

Battery Positive Voltage

B2-B3

--

--

Not Used

B4

0.8 RD/WH

4840

Battery Positive Voltage

B5

0.35 RD/WH

1540

Battery Positive Voltage

B6

--

--

Not Used

B7

0.5 RD/WH

1140

Battery Positive Voltage

Fuse Block - I/P X3


Object Number: 1667399  Size: CH

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: B1, B4
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A7
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P X3

Pin

Wire

Circuit

Function

A1

--

--

Not Used

A2

0.35 L-BU

195

Rear Door Lock Switch Signal

A3

0.35 WH

194

Door Unlock Control

A4-A6

--

--

Not Used

A7

3 RD/WH

1740

Battery Positive Voltage (SUV)

B1

0.8 TN

294

Door Lock Actuator Unlock Control

0.8 TN

294

Door Lock Actuator Unlock Control

B2-B3

--

--

Not Used

B4

0.8 GY

295

Door Lock Actuator Lock Control

0.8 GY

295

Door Lock Actuator Lock Control

B5-B7

--

--

Not Used

Fuse Block - I/P X4


Object Number: 1667402  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1, B1
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A2, A5, B5, B6
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: Pins A2, A5 - E/C
  • Core/Insulation Crimp: Pins B5, B6 - C/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: B4, B7
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins B4 - 2/A
  • Core/Insulation Crimp: Pins B7 - E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuse Block - I/P X4

Pin

Wire

Circuit

Function

A1

3 RD/WH

1240

Battery Positive Voltage

A2

0.35 D-GN

5060

Low Speed GMLAN Serial Data

A3-A4

--

--

Not Used

A5

0.35 PK

1691

Automatic Day/Night Mirror Low Reference

A6-A7

--

--

Not Used

B1

3 BK

1850

Ground

B2-B3

--

--

Not Used

B4

0.8 RD/WH

140

Battery Positive Voltage

B5

0.8 GY

118

Left Front Speaker Output (-)

B6

0.8 TN

201

Left Front Speaker Output (+)

B7

0.35 GY

1690

Automatic Day/Night Mirror Signal

Junction Block - Battery Cable

Terminal Part Information

  • Terminal: 08900947
  • Core/Insulation Crimp: N/A
  • Description: Ring Terminal

Junction Block - Battery Cable

Pin

Wire

Circuit

Function

A

32 RD

1

Battery Positive Voltage

Junction Block - Left I/P, Label


Object Number: 1666260  Size: MF

Junction Block - Left I/P, Device Usage

Device

Rating

Description

DRIVER SEAT 2 Circuit Breaker

25A

Memory Seat Module - Driver

PASS SEAT 1 Circuit Breaker

25A

Seat Adjuster Switch - Passenger, Seat Lumbar Adjuster Switch - Passenger

PWR REAR WNDW Circuit Breaker

25A

Window Motor - Midgate

RT DOORS Circuit Breaker

25A

Door Lock/Window Switch - Passenger, Window Switch - Right Rear

Important:  Relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.

PARK ENABLE PCB Relay

--

I/P Multifunction Switch Assembly

Junction Block - Left I/P, Top View


Object Number: 1991086  Size: MF

Junction Block - Left I/P, Bottom View


Object Number: 1991084  Size: MF

Junction Block - Left I/P X1


Object Number: 1665708  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1, A3, A4, B3, B4, C1, C2, E3, G1, H1, K1, K3, L1-L4, M1-M5, N1-N3, N5, P1-P3, P5
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins A1, A3, A4, C1, H1, K1, K3, L1-L4, M1-M5, N1-N3, N5, P1-P3, P5 - E/A
  • Core/Insulation Crimp: Pins B3, B4, C2, E3, G1 - 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)
  • Pins: D1, K2
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: Pins D1 - F/D
  • Core/Insulation Crimp: Pins K2 - 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X1

Pin

Wire

Circuit

Function

A1

0.5 RD/WH

4440

Battery Positive Voltage

A2

--

--

Not Used

A3

0.5 PK

239

Ignition 1 Voltage

A4

0.35 PK

239

Ignition 1 Voltage

0.5 PK

239

Ignition 1 Voltage

A5

--

--

Not Used

B1-B2

--

--

Not Used

B3

1 BK

2550

Ground

B4

0.8 GY

157

Courtesy Lamp Control

B5

--

--

Not Used

C1

0.5 PK

1639

Ignition 1 Voltage

C2

0.8 BN/WH

230

Instrument Panel Lamps Dimming Control

C3-C5

--

--

Not Used

D1

3 RD/WH

1340

Battery Positive Voltage

D2-D5

--

--

Not Used

E1-E2

--

--

Not Used

E3

0.5 BK/WH

1851

Ground

0.8 BK/WH

1851

Ground

F1

5 RD/BK

642

Battery Positive Voltage

G1

-

-

Not Used

H1

0.5 BK/WH

1851

Ground

0.5 BK/WH

1851

Ground

J1

--

--

Not Used

K1

0.35 BK/WH

1851

Ground

0.5 BK/WH

1851

Ground

K2

2 BK/WH

1851

Ground

K3

0.5 BK/WH

1851

Ground

L1

0.5 OG

6815

Inadvertent Power Supply Voltage

L2

0.35 RD/WH

1540

Battery Positive Voltage (UG1)

L3

0.35 PU/WH

6816

Indicator Dimming Control

L4

0.35 WH/BK

5515

Inside Air Temperature Sensor Assembly Control

L5

--

--

Not Used

M1

0.35 BN/WH

230

Instrument Panel Lamps Dimming Control

M2

0.35 PK

1691

Automatic Day/Night Mirror Low Reference

M3

0.35 PU/WH

6816

Indicator Dimming Control

M4

0.35 D-GN

734

Inside Air Temperature Sensor Signal

M5

0.5 L-BU/BK

1320

CHMSL Supply Voltage

N1

0.35 D-GN

6134

Linear Interconnect Network Bus 1

N2-N4

-

-

Not Used

N5

0.5 PK

1139

Ignition 1 Voltage

0.35 PK

1139

Ignition 1 Voltage

P1

0.35 D-BU

38

Backup Lamp Relay Control

0.35 D-BU

38

Backup Lamp Relay Control

P2

0.35 GY

1690

Automatic Day/Night Mirror Signal

P3

0.35 PU/WH

6816

Indicator Dimming Control

P4

--

--

Not Used

P5

0.35 D-GN

6101

Low Reference

Junction Block - Left I/P X2


Object Number: 1665711  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1, A2, B5, D3, H1, K1-K3, L3-L5, M5, N1, N3, N5, P3, P5
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins A1, A2, B5, H1, K1-K3, L3-L5, M5, N1, N3, N5, P3, P5 - E/A
  • Core/Insulation Crimp: Pins D3 - 2/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B1, D1
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: Pins B1 - F/D
  • Core/Insulation Crimp: Pins D1 - 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X2

Pin

Wire

Circuit

Function

A1

0.5 PK

739

Ignition 1 Voltage

A2

0.35 YE

643

Accessory Voltage

A3-A5

--

--

Not Used

B1

3 RD/WH

2340

Battery Positive Voltage

B2-B4

--

--

Not Used

B5

0.5 RD/WH

3240

Battery Positive Voltage (U42)

0.5 RD/WH

3240

Battery Positive Voltage

C1-C5

--

--

Not Used

D1

2 BK

1050

Ground

D2

--

--

Not Used

D3

0.8 RD/WH

4540

Battery Positive Voltage

D4-D5

--

--

Not Used

E1-E3

--

--

Not Used

F1

--

--

Not Used

G1

--

--

Not Used

H1

0.5 D-GN/WH

817

Vehicle Speed Signal

J1

--

--

Not Used

K1

0.35 YE

6817

LED Dimming Supply

K2

0.35 YE

6817

LED Dimming Supply

K3

0.35 D-GN

5060

Low Speed GMLAN Serial Data

L1-L2

--

--

Not Used

L3

0.35 YE

6817

LED Dimming Supply

0.35 YE

6817

LED Dimming Supply (SUV)

L4

0.35 YE

6817

LED Dimming Supply

0.35 YE

6817

LED Dimming Supply

L5

0.5 TN/BK

2500

High Speed GMLAN Serial Data Bus+

0.5 TN/BK

2500

High Speed GMLAN Serial Data Bus+

M1 -M4

--

--

Not Used

M5

0.5 TN

2501

High Speed GMLAN Serial Data Bus-

0.5 TN

2501

High Speed GMLAN Serial Data Bus-

N1

0.35 D-BU

2307

Passenger Air Bag On Indicator Control

N2

--

--

Not Used

N3

0.35 YE

6817

LED Dimming Supply

N4

--

--

Not Used

N5

0.5 TN

2501

High Speed GMLAN Serial Data Bus-

P1

0.35 PU

5234

Passenger Seat Belt Indicator

P2

--

--

Not Used

P3

0.35 D-GN

2308

Passenger Air Bag Off Indicator Control

P4

--

--

Not Used

P5

0.5 TN/BK

2500

High Speed GMLAN Serial Data Bus+

Junction Block - Left I/P X3


Object Number: 1665716  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: 1, 3, 4, 5, 7
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 2
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X3

Pin

Wire

Circuit

Function

1

0.5 TN/BK

2500

High Speed GMLAN Serial Data Bus+

2

2 BK

1050

Ground

3

0.5 TN

2501

High Speed GMLAN Serial Data Bus-

4

0.35 YE

6817

LED Dimming Supply

5

0.5 TN

2501

High Speed GMLAN Serial Data Bus-

6

--

--

Not Used

7

0.5 TN/BK

2500

High Speed GMLAN Serial Data Bus+

8

--

--

Not Used

Junction Block - Left I/P X4


Object Number: 1665714  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: 1, 3-7
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X4

Pin

Wire

Circuit

Function

1

0.35 D-GN

5060

Low Speed GMLAN Serial Data

2

--

--

Not Used

3

0.5 D-GN/WH

817

Vehicle Speed Signal (UVB)

4

0.5 BK

2550

Ground

0.5 BK

2550

Ground

5

0.5 BK

2550

Ground (U2K)

0.5 BK

2550

Ground (UE1)

6

0.5 RD/WH

3240

Battery Positive Voltage (U42)

7

0.5 BK

2550

Ground (U42)

8

--

--

Not Used

Junction Block - Left I/P X5 (SPO Alarm)


Object Number: 1665705  Size: CH

Connector Part Information

  • OEM: 12194033
  • Service: 12194033
  • Description: 4-Way F Metri-Pack 280 Series, Flexlock (CR)

Terminal Part Information

  • Pins: D
  • Terminal/Tray: 12110843/4
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X5 (SPO Alarm)

Pin

Wire

Circuit

Function

A-C

--

--

Not Used

D

0.5 RD/WH

4540

Battery Positive Voltage

Junction Block - Left I/P X8


Object Number: 1665729  Size: CH

Connector Part Information

  • OEM: 13516835
  • Service: See Catalog
  • Description: 8-Way F GT 280 Series (GN)

Terminal Part Information

  • Pins: 3, 4, 6, 7
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: Pins 3 - 2/A
  • Core/Insulation Crimp: Pins 4, 6, 7 - E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X8

Pin

Wire

Circuit

Function

1-2

--

--

Not Used

3

1 BK

1050

Ground

4

0.5 YE

643

Accessory Voltage (CF5)

5

0.35 PU

5234

Passenger Seat Belt Indicator

6

0.35 D-BU

2307

Passenger Air Bag On Indicator Control

7

0.35 D-GN

2308

Passenger Air Bag Off Indicator Control

8

--

--

Not Used

Junction Block - Left I/P X9


Object Number: 1665720  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: 1, 2, 4, 5, 7
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 8
  • Terminal/Tray: 15496307/4
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X9

Pin

Wire

Circuit

Function

1

0.35 PK

1639

Ignition 1 Voltage

0.35 PK

1639

Ignition 1 Voltage

2

0.35 WH/BK

5515

Inside Air Temperature Sensor Assembly Control

3

--

--

Not Used

4

0.35 D-GN

734

Inside Air Temperature Sensor Signal

5

0.35 PK

1139

Ignition 1 Voltage

6

--

--

Not Used

7

0.35 D-GN

6101

Low Reference

8

0.5 GY

157

Courtesy Lamp Control

0.5 GY

157

Courtesy Lamp Control

Junction Block - Left I/P X10


Object Number: 1665718  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X10

Pin

Wire

Circuit

Function

1

0.35 RD/WH

1540

Battery Positive Voltage (UG1)

2

0.35 OG

6815

Inadvertent Power Supply Voltage

3

0.35 PK

1691

Automatic Day/Night Mirror Low Reference

4

0.35 BN/WH

230

Instrument Panel Lamps Dimming Control (CF5)

5

-

-

Not Used

6

0.35 D-GN

6134

Linear Interconnect Network Bus 1

7

0.35 GY

1690

Automatic Day/Night Mirror Signal

8

0.35 D-BU

38

Backup Lamp Relay Control

Junction Block - Left I/P X11


Object Number: 1665725  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: 1, 2
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 3, 4, 6-8
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X11

Pin

Wire

Circuit

Function

1

3 RD/WH

1340

Battery Positive Voltage

2

3 RD/WH

1440

Battery Positive Voltage

3

0.35 PK

1639

Ignition 1 Voltage (SUV)

4

0.35 BN/WH

230

Instrument Panel Lamps Dimming Control

0.35 BN/WH

230

Instrument Panel Lamps Dimming Control

5

--

--

Not Used

6

0.35 PK

1139

Ignition 1 Voltage

7

0.5 RD/WH

4440

Battery Positive Voltage

8

0.5 RD/WH

4440

Battery Positive Voltage

Junction Block - Left I/P X12


Object Number: 1665727  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: 1, 2, 8
  • Terminal/Tray: 13525969/4
  • Core/Insulation Crimp: Pins 1 - F/D
  • Core/Insulation Crimp: Pins 2, 8 - 4/4
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: 3, 5
  • Terminal/Tray: 13525970/4
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Left I/P X12

Pin

Wire

Circuit

Function

1

3 RD/WH

5040

Battery Positive Voltage

2

2 RD/WH

3540

Battery Positive Voltage (SUT)

3

0.5 L-BU

1320

CHMSL Supply Voltage

4

--

--

Not Used

5

0.5 GY

157

Courtesy Lamp Control

0.5 GY

157

Courtesy Lamp Control (SUV)

6-7

--

--

Not Used

8

2 BK

2550

Ground

Junction Block - Right I/P, Top View


Object Number: 1991088  Size: MF

Junction Block - Right I/P X1 (Wire Entry)


Object Number: 1666267  Size: MF

Connector Part Information

  • OEM: 15489487
  • Service: See Catalog
  • Description: 50-Way GT 150 280 Metri-Pack 630 Series (GY)

Terminal Part Information

  • Pins: 2A7, 4A1, 4A4, 4A7, 5B, 6B
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit
  • Pins: 3B1, 4A2, 4A3, 4A5, 4A6, 4B2, 4B3, 4B5, 4B6, 5A, 5C-5F
  • Terminal/Tray: 15304722/8
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)
  • Pins: 2B2, 3A2, 3B2
  • Terminal/Tray: 15304702/19
  • Core/Insulation Crimp: Pins 2B2 - E/4
  • Core/Insulation Crimp: Pins 3A2, 3B2 - 2/4
  • Release Tool/Test Probe: 15315247/J-35616-3 (GY)
  • Pins: 3A1, 3B4
  • Terminal/Tray: 15304724/8
  • Core/Insulation Crimp: Pins 3A1 - 2/A
  • Core/Insulation Crimp: Pins 3B4 - A/D
  • Release Tool/Test Probe: 15315247/J-35616-5 (PU)
  • Pins: 6A, 6B
  • Terminal/Tray: 12066493/3
  • Core/Insulation Crimp: Pins 6A - B/G
  • Core/Insulation Crimp: Pins 6B - F/G
  • Release Tool/Test Probe: 12094430/J-35616-43 (RD)

Junction Block - Right I/P X1 (Wire Entry)

Pin

Wire

Circuit

Function

2A1-2A6

--

--

Not Used

2A7

--

--

Ground Bus (Black wire)

2B1

--

--

Not Used

2B2

0.5 BN

2509

Left Rear Park Lamps Supply Voltage

2B3-2B7

--

--

Not Used

3A1

0.8 D-GN

117

Right Front Speaker Output (-)

3A2

0.8 L-GN

200

Right Front Speaker Output (+)

3A3-3A6

--

--

Not Used

3A7

--

--

Ground Bus (Black wire)

3B1

0.35 D-GN

5060

Low Speed GMLAN Serial Data

3B2

0.8 RD/WH

240

Battery Positive Voltage

3B3

--

--

Not Used

3B4

3 RD/WH

1340

Battery Positive Voltage

3B5-3B6

--

--

Not Used

3B7

--

--

Ground Bus (Black wire)

4A1

--

--

5-Volt Reference Bus (Gray wire)

4A2

0.35 TN

520

Lower Right Air Temperature Sensor Signal

4A3

0.35 TN

518

Lower Left Air Temperature Sensor Signal

4A4

--

--

Low Reference Bus (Yellow wire)

4A5

0.35 PU

1838

Recirculation Door Position Signal

4A6

0.35 GY/BK

754

Blower Motor Speed Control

4A7

--

--

Ground Bus (Black wire)

4B1

--

--

5-Volt Reference Bus (Gray wire)

4B2

0.35 D-BU

1199

Auxiliary Air Temperature Door Position Signal

4B3

0.35 TN

2273

Mode Door Control

4B4

--

--

Low Reference Bus (Yellow wire)

4B5

0.35 YE/BK

713

Defrost/Heater Mode Valve Position Sensor Signal

4B6

0.35 L-BU

733

Left Air Temperature Door Control

4B7

--

--

Ground Bus (Black wire)

5A

0.35 D-GN

6101

Low Reference

5B

0.35 PK

839

Ignition 1 Voltage

0.5 PK

839

Ignition 1 Voltage

5C

0.35 PK

839

Ignition 1 Voltage

5D

0.35 D-BU

1646

Right Air Temperature Door Position Signal

5E

0.35 WH/BK

1236

Right Air Temperature Door Control

5F

0.35 D-GN

1614

Recirculation Door Control

6A

5 RD/BK

542

Battery Positive Voltage

6B

3 BK

1050

Ground

3 BK

1050

Ground

Junction Block - Right I/P X2


Object Number: 1667401  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A7
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B2
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Junction Block - Right I/P X2

Pin

Wire

Circuit

Function

A1-A6

--

--

Not Used

A7

0.5 BK

1050

Ground

B1

--

--

Not Used

B2

0.5 BN

2509

Left Rear Park Lamps Supply Voltage

B3-B7

--

--

Not Used

Junction Block - Right I/P X3


Object Number: 1667402  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A1, B1
  • Terminal/Tray: 15304711/8
  • Core/Insulation Crimp: Pins A1 - 2/A
  • Core/Insulation Crimp: Pins B1 - E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: A2, B2
  • Terminal/Tray: 12191812/19
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: A7, B4
  • Terminal/Tray: 15304713/19
  • Core/Insulation Crimp: F/D
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Junction Block - Right I/P X3

Pin

Wire

Circuit

Function

A1

0.8 D-GN

117

Right Front Speaker Output (-)

A2

0.8 L-GN

200

Right Front Speaker Output (+)

A3-A6

--

--

Not Used

A7

3 BK

1050

Ground

B1

0.35 D-GN

5060

Low Speed GMLAN Serial Data

B2

0.8 RD/WH

240

Battery Positive Voltage

B3

--

--

Not Used

B4

3 RD/WH

1340

Battery Positive Voltage

B5-B7

--

--

Not Used

Junction Block - Right I/P X4


Object Number: 1667399  Size: CH

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 X4

Pin

Wire

Circuit

Function

A1

0.35 L-BU/BK

598

5-Volt Reference

0.35 L-BU/BK

598

5-Volt Reference

A2

0.35 GY/BK

520

Lower Right Air Temperature Sensor Signal (CJ2)

A3

0.35 WH/BK

518

Lower Left Air Temperature Sensor Signal (CJ2)

A4

0.35 YE

1791

Low Reference

0.35 YE

1791

Low Reference

A5

0.5 PU

1838

Recirculation Door Position Signal (CJ2)

A6

0.35 PU/WH

754

Blower Motor Speed Control

A7

--

--

Not Used

B1

0.35 L-BU/BK

598

5-Volt Reference

0.35 L-BU/BK

598

5-Volt Reference

B2

0.35 D-BU

1199

Left Air Temperature Door Control

B3

0.35 TN

2273

Mode Door Control

B4

0.35 YE

1791

Low Reference

0.35 YE

1791

Low Reference

B5

0.35 L-GN

713

Mode Door Position Signal

B6

0.35 L-BU

733

Left Air Temperature Door Position Signal

B7

--

--

Not Used

Junction Block - Right I/P X5


Object Number: 646380  Size: CH

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 X5

Pin

Wire

Circuit

Function

A

0.5 BN

6101

Low Reference (CJ2)

0.5 BN

6101

Low Reference (CJ2)

B

0.35 BN

839

Ignition 1 Voltage

0.35 BN

839

Ignition 1 Voltage

C

0.35 BN

839

Ignition 1 Voltage

0.35 BN

839

Ignition 1 Voltage

D

0.35 D-BU

1646

Right Air Temperature Door Position Signal

E

0.35 WH/BK

1236

Right Air Temperature Door Control

F

0.35 D-GN

1614

Recirculation Door Control

Junction Block - Right I/P X6


Object Number: 493694  Size: CH

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 X6

Pin

Wire

Circuit

Function

A

3 RD

542

Battery Positive Voltage

B

3 BK

1050

Ground