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 C1
Connector 5: Fuse Block - Underhood C2
Connector 6: Fuse Block - Underhood C3
Connector 7: Fuse Block - Underhood C4
Connector 8: Liftgate Relay Block (Wire Entry) (Panel Van)
Connector 9: Body Control Module (BCM) Label
Connector 10: Body Control Module (BCM) - Top View
Connector 11: Body Control Module (BCM) - Bottom View
Connector 12: Body Control Module (BCM) C1
Connector 13: Body Control Module (BCM) C2
Connector 14: Body Control Module (BCM) C3
Connector 15: Body Control Module (BCM) C4
Connector 16: Fuse Block - Rear Access Panel Top View (Panel Van)
Connector 17: Fuse Block - Rear Access Panel (Wire Entry) (Panel Van)

Fuse Block - Underhood Label


Object Number: 1749523  Size: MF

Fuse Block - Underhood Label Usage

No.

Device

Rating

Description

1

EPS

60A

Electronic Power Steering (EPS) Control Module

2

REAR DEFOG

40A

Rear Window Defog Relay

3

--

--

Not Used

4

BCM 3

30A

Body Control Module

5

CRNK

30A

Crank Relay

6

BCM 2

40A

Body Control Module

7

REAR PWR PLUG

40

Rear Power Plug (Panel Van)

--

--

Not Used (Except Panel Van)

8

--

--

Not Used

9

DIODE A/C CLTCH

--

A/C Compressor Clutch

10

L-GATE/S-ROOF

20A

Liftgate Release Relay and Sunroof Module

11

--

--

Not Used

12

REAR AUX PWR OUTLET

20

Rear Auxiliary Power Outlet (Panel Van)

--

--

Not Used (Except Panel Van)

13

FUEL LAMP

15A

Fuel Pump Relay

14

REAR DEFOG Relay

--

Rear Window Defogger Grid

15

A/C CLUTCH Relay

--

A/C Compressor Clutch Diode and A/C Compressor Clutch

16

--

--

Not Used

17

REAR WPR Relay

--

Rear Window Wiper Motor

18

L/GATE RELSE Relay

--

Door Latch - Liftgate

19

FUEL PUMP Relay

--

Fuel Pump and Sender Assembly

20

REAR WPR

15A

Rear Wpr Relay

21

MIR

5A

Outside Rearview Mirror Switch

22

A/C

10A

A/C Clutch Relay

23

HTD/SEAT

20A

Heated Seat Control Module Passenger and Heated Seat Control Module Driver

24

--

--

Not Used

25

Fuse Puller

--

Fuse Puller

26

PWR/TRN Relay

--

ECM Fuse, INJ IGN MOD Fuse, EXH Fuse and A/C CLTCH Relay

27

--

--

Not Used

28

DRL Relay

--

DRL Fuse

29

FRT AUX PWR OUTLET

20A

Cigar Lighter and Data Link Connector

30

PWR OUTLET

20A

Auxiliary Power Outlet Console

31

DRL

10A

LT LO BEAM Fuse and Headlamp - Left

32

--

--

Not Used

33

EXH

10A

MAF/IAT Sensor, Heated Oxygen Sensors (HO2S), Evaporative Emission (EVAP) Canister Purge Solenoid, Clutch Pedal Position (CPP) Switch

34

CRNK Relay

--

Starter

35-36

--

--

Not Used

37

PWR SEAT

30A

Lumbar Adjuster Switch - Driver and Seat Adjuster Switch - Driver

38

--

--

Not Used

39

WSW PUMP Relay

--

Windshield Washer Fluid Pump

40

COOL FAN

30A

Cooling Fan

41

ECM

15A

Engine Control Module

42

--

--

Not Used

43

ECM TRANS

15A

Transmission Control Module, Automatic Transaxle and Engine Control Module

44

ABS

30A

Electronic Brake Control Module (EBCM)

45

INJ IGN MDL

10A

Fuel Injectors, Ignition Control Module (L61), and Ignition Coil Modules (LE5)

46

BCK/UP (Panel Van) PRK/NEUT (Others)

10A

Back Up Lamps (Panel Van), Park Neutral Position (PNP) Switch (MN5)

47

HTD/SEAT/BCK/UP

10A

Park Neutral Position (PNP) Switch (MN5), Back Up Lamp Switch (M86), and Seat Heater Control Modules

48

REAR WSW Relay

--

Windshield Washer Fluid Pump

49

WSW PUMP

15A

Rear WSW Relay and WSW Pump Relay

50

COOL FAN Relay

--

Cooling Fan

51

RUN/CRANK Relay

--

I/P IGN Fuse, PRK/NEUT Fuse, ABS Fuse, ECM TRANS Fuse and BCK UP/HTD SEAT Fuse

52

WPR Relay

--

Windshield Wiper Motor Assembly

53

FOG LAMP

15A

Fog Lamp Relay

54

FOG LAMP Relay

--

Fog Lamp - LF and Fog Lamp - RF

55

HORN Relay

--

Horn

56

S BAND

10A

Vehicle Communication Interface Module and Digital Radio Receiver

57

ABS

10A

Electronic Brake Control Module (EBCM)

58

DIODE WPR

--

WPR Relay

59

WPR

25A

WPR Relays

60

Horn

10A

Horn Relays

61

ABS

20A

Electronic Brake Control Module (EBCM)

62

I/P IGN

20A

Body Control Module

63

LT HI BEAM

10A

Head Lamp - Left

64

CNSTR VENT

10A

Evaporative Emission (EVAP) Canister Vent Solenoid Valve

65

LT LO BEAM

10A

Head Lamp - Left

66

RT LO BEAM

10A

Head Lamp - Right

67

RT HI BEAM

10A

Head Lamp - Right

68

PRK LAMPS Relay

--

Tail/Stop and Turn Signal Lamps, Marker Lamps, License Lamps, and Park/Turn Signal/DRL Lamps

69

PRK LAMPS

10A

PRK LAMPS Relay

70

WPR Relay

--

Windshield Wiper Motor Assembly

71

LO BEAM Relay

--

RT LO BEAM Fuse and LT LO BEAM Fuse

72

HI BEAM Relay

--

RT HI BEAM Fuse and LT HI BEAM Fuse

Fuse Block - Underhood Top View


Object Number: 1582615  Size: MF

Fuse Block - Underhood Bottom View


Object Number: 1582617  Size: MF

Fuse Block - Underhood C1


Object Number: 1592566  Size: CH

Connector Part Information

  • OEM: R61927-002
  • Service: 88988759
  • Description: 64-Way F (GY)

Terminal Part Information

  • Pins: A1, A9, A10, A12, B9, C4, D3, D9, E9, F7, F9, F10
  • Terminal/Tray: 7116-4110-02/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: B2, E7
  • Terminal/Tray: 7116-4112-02/9
  • Core/Insulation Crimp: C/D
  • Release Tool/Test Probe: 12094430/J-35616-35 (VT)
  • Pins: A11, B11, C9, B12
  • Terminal/Tray: 7116-4111-02/9
  • Core/Insulation Crimp: Pins A11, B11, C9 - See Terminal Repair Kit
  • Core/Insulation Crimp: Pins B12 - E/A
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Fuse Block - Underhood C1

Pin

Wire Color

Circuit No.

Function

A1

D-GN

335

Low Speed Cooling Fan Relay Control

A2-A8

--

--

Not Used

A9

L-BU

20

Stop Lamp Supply Voltage (MN5)

A10

PK

539

Ignition 1 Voltage (MN5)

A11

PK/BK

5292

Ignition 1 Voltage

PK/BK

5292

Ignition 1 Voltage

A12

BN

4

Accessory Voltage (MN5)

B1

--

--

Not Used

B2

L-BU

409

Cooling Fan Motor Supply Voltage

B3-B4

--

--

Not Used

B5

--

--

Not Available

B6-B7

--

--

Not Used

B8

--

--

Not Available

B9

PK

1639

Ignition 1 Voltage

B10

--

--

Not Used

B11

PK

1039

Ignition 1 Voltage (MN5)

PK

1039

Ignition 1 Voltage (MN5)

B12

PK/BK

5290

Ignition 1 Voltage (LE5)

C1-C3

--

--

Not Used

C4

L-GN

24

Backup Lamp Supply Voltage

C5

--

--

Not Used

C6-C7

--

--

Not Available

C8

--

--

Not Used

C9

D-GN

1433

PNP/Clutch Start Switch Signal (LE5)

YE

575

Starter Control (MN5)

C10-C12

--

--

Not Used

D1-D2

--

--

Not Used

D3

BK

150

Ground

D4-D5

--

--

Not Used

D6-D7

--

--

Not Available

D8

--

--

Not Used

D9

PK/BK

5291

Ignition 1 Voltage

D10-D12

--

--

Not Used

E1-E4

--

--

Not Used

E5

--

--

Not Available

E6

--

--

Not Used

E7

PU

6

Starter Solenoid Crank Voltage

E8

--

--

Not Available

E9

PK/BK

5291

Ignition 1 Voltage

PK/BK

5291

Ignition 1 Voltage

E10-E12

--

--

Not Used

F1-F6

--

--

Not Used

F7

RD/WH

840

Battery Positive Voltage (MN5)

F8

--

--

Not Used

F9

PK/BK

5291

Ignition 1 Voltage

F10

D-GN

59

A/C Compressor Clutch Supply Voltage

F11-F12

--

--

Not Used

Fuse Block - Underhood C2


Object Number: 1592566  Size: CH

Connector Part Information

  • OEM: R61927-001
  • Service: 88988756
  • Description: 64-Way F (BK)

Terminal Part Information

  • Pins: A5 (Panel Van)
  • Pins: F5
  • Terminal/Tray: 7116-4122-02/10
  • Core/Insulation Crimp: A/B
  • Core/Insulation Crimp: D/G (Panel Van)
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)
  • Pins: A1, A6, A7, A10, A11, B1, B3,B6, B7, B10, B12, C1, C2, C9, C12, D3, D8, E1, E3, E7, F1, F2, F4, F11
  • Terminal/Tray: 7116-4110-02/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: D5 (Panel Van)
  • Pins: A9, B9, C3, E2, E6, F3, F7, F9,
  • Terminal/Tray: 7116-4111-02/9
  • Core/Insulation Crimp: A9, E2, F9, B9, C3, E6 - C/A
  • Core/Insulation Crimp: C3, E6, F3, F7 - E/A
  • Core/Insulation Crimp: D5 - C/A (Panel Van)
  • Release Tool/Test Probe: 12094430/J-35616-35 (VT)
  • Pins: C5, E12, F6
  • Terminal/Tray: 7116-4112-02/9
  • Core/Insulation Crimp: C/D
  • Release Tool/Test Probe: 12094430/J-35616-35 (VT)

Fuse Block - Underhood C2

Pin

Wire Color

Circuit No.

Function

A1

L-BU

14

Left Turn Signal Lamp Supply Voltage

A2-A4

--

--

Not Used

A5

RD/BK

742

Battery Positive Voltage (Panel Van)

A6

OG

228

Windshield Washer Pump Control

A7

D-GN

392

Rear Window Washer Pump Control

A8

--

--

Not Used

A9

RD/WH

240

Battery Positive Voltage

A10

RD/WH

840

Battery Positive Voltage

A11

RD/WH

840

Battery Positive Voltage

A12

--

--

Not Used

B1

TN

28

Horn Relay Control

B2

--

--

Not Used

B3

RD/WH

40

Battery Positive Voltage

B4

--

--

Not Used

B5

--

--

Not Available

B6

L-GN/BK

592

DRL Relay Control

B7

OG

228

Windshield Washer Pump Control

B8

--

--

Not Available

B9

D-GN

1433

PNP/Clutch Start Switch Signal (L61)

YE/BK

575

Starter Control

B10

PK/BK

5291

Ignition 1 Voltage

B11

--

--

Not Used

B12

WH

193

Rear Defog Relay Control

C1

YE

317

Fog Lamp Relay Coil Supply Voltage (T37)

C2

PU

359

DRL Supply Voltage

C3

RD/WH

340

Battery Positive Voltage (KA1)

RD/WH

340

Battery Positive Voltage (KA1)

C4

--

--

Not Used

C5

RD/WH

540

Battery Positive Voltage (CE5)

C6-C7

--

--

Not Available

C8

--

--

Not Used

C9

YE

447

Starter Relay Coil Control

C10-C11

--

--

Not Used

C12

BN

5069

Main Relay Control

D1-D2

--

--

Not Used

D3

RD/WH

440

Battery Positive Voltage

D4

--

--

Not Used

D5

RD/WH

1840

Battery Positive Voltage (Panel Van)

D6-D7

--

--

Not Available

D8

L-GN

2270

Rear Window Washer Relay Control

D9-D12

--

--

Not Used

E1

TN/WH

1969

Headlamp High Beam Relay Control

E2

GY

120

Fuel Pump Supply Voltage

E3

WH/BK

1221

Liftgate Release Switch Signal (Except Panel Van)

BK

1250

Ground (Panel Van)

E4

--

--

Not Used

E5

--

--

Not Available

E6

L-GN

24

Backup Lamp Supply Voltage

L-GN

24

Backup Lamp Supply Voltage

E7

GY

391

Rear Window Wiper Switch Signal

E8

--

--

Not Available

E9-E11

--

--

Not Used

E12

PU

293

Rear Defog Element Supply Voltage

F1

PK/WH

1970

Headlamp Low Beam Relay Control

F2

D-GN/WH

465

Relay Control Primary

F3

TN/WH

56

Rear Compartment Lid Release Actuator (Except Panel Van)

L-GN/BK

5703

Liftgate Relay B+ (Panel Van)

F4

L-BU

1344

Liftgate Release Relay Control

F5

RD/BK

242

Battery Positive Voltage

F6

RD/BK

442

Battery Positive Voltage

F7

WH

393

Rear Window Wiper Motor Control

F8

--

--

Not Used

F9

BK

150

Ground

F10

--

--

Not Used

F11

D-GN/WH

459

A/C Compressor Clutch Relay Control

F12

--

--

Not Used

Fuse Block - Underhood C3


Object Number: 1592683  Size: CH

Connector Part Information

  • OEM: R62807-002
  • Service: 19115601
  • Description: 28-Way F (GY)

Terminal Part Information

  • Pins: B1, B2, C1, E2, F1, F6
  • Terminal/Tray: 7116-4110-02/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: A6, B6, B5, E5, C5
  • Terminal/Tray: 7116-4111-02/9
  • Core/Insulation Crimp: Pins A6, B5, B6, E5 - See Terminal Repair Kit
  • Core/Insulation Crimp: Pins C5 - C/A
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Fuse Block - Underhood C3

Pin

Wire Color

Circuit No.

Function

A1-A5

--

--

Not Used

A6

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

B1

L-GN/BK

311

Right Headlamp High Beam Supply Voltage

B2

TN/WH

312

Right Headlamp Low Beam Supply Voltage

B3-B4

--

--

Not Available

B5

YE

712

Left Headlamp Low Beam Supply Voltage

PU

359

DRL Supply Voltage

B6

BN

9

Park Lamp Supply Voltage

BN

9

Park Lamp Supply Voltage

C1

D-GN/WH

711

Left Headlamp High Beam Supply Voltage

C2

--

--

Not Used

C3-C4

--

--

Not Available

C5

BK

150

Ground

C6

--

--

Not Used

D1-D2

--

--

Not Used

D3-D4

--

--

Not Available

D5-D6

--

--

Not Used

E1

--

--

Not Used

E2

D-GN

29

Horn Control

E3-E4

--

--

Not Available

E5

PU

2234

Front Fog Lamp Supply Voltage (T37)

PU

2234

Front Fog Lamp Supply Voltage (T37)

E6

--

--

Not Used

F1

L-BU

14

Left Turn Signal Lamp Supply Voltage

F2-F5

--

--

Not Used

F6

D-BU

15

Right Turn Signal Lamp Supply Voltage

Fuse Block - Underhood C4


Object Number: 1744270  Size: CH

Connector Part Information

  • OEM: R61922-001
  • Service: 88988757
  • Description: 28-Way F (BK)

Terminal Part Information

  • Pins: A1, B1, B2, B5, B6, C1, C5, E2, E6, F2, F5
  • Terminal/Tray: 7116-4110-02/9
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: A4, F4
  • Terminal/Tray: 7116-4122-02/10
  • Core/Insulation Crimp: A/B
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)
  • Pins: D1, E1, F6
  • Terminal/Tray: 7116-4111-02/9
  • Core/Insulation Crimp: Pins D1,E1: C/A
  • Core/Insulation Crimp: Pins F6: C/A
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: F3
  • Terminal/Tray: 7116-4120-02/9
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 12094430/J-35616-42 (RD)
  • Pins: A5, C2, A6, F1
  • Terminal/Tray: 7116-4112-02/9
  • Core/Insulation Crimp: Pins A5, C2 - C/D
  • Core/Insulation Crimp: Pins A6, F1 - See Terminal Repair Kit
  • Release Tool/Test Probe: 12094430/J-35616-35 (VT)

Fuse Block - Underhood C4

Pin

Wire Color

Circuit No.

Function

A1

BN

9

Park Lamp Supply Voltage

A2-A3

--

--

Not Used

A4

RD/BK

542

Battery Positive Voltage (JM4)

A5

RD/WH

740

Battery Positive Voltage (JM4)

A6

L-BU

20

Stop Lamp Supply Voltage

L-BU

20

Stop Lamp Supply Voltage

B1

PK

1439

Ignition 1 Voltage (JM4)

B2

D-GN

113

Windshield Wiper Switch Signal (2)

B3-B4

--

--

Not Available

B5

WH/RD

1080

Park Lamp Relay Control

B6

L-BU

20

Stop Lamp Supply Voltage (JM4)

L-BU

20

Stop Lamp Supply Voltage

C1

L-GN

1715

Windshield Wiper Switch High Signal

C2

PK

739

Ignition 1 Voltage

C3-C4

--

--

Not Available

C5

RD/WH

1640

Battery Positive Voltage

C6

--

--

Not Used

D1

D-GN

95

Windshield Wiper Motor Low Speed Control

D2

--

--

Not Used

D3-D4

--

--

Not Available

D5-D6

--

--

Not Used

E1

PU

92

Windshield Wiper Motor High Speed Control

E2

PK/BK

1039

Ignition 1 Voltage

E3-E4

--

--

Not Available

E5

--

--

Not Used

E6

RD/WH

1340

Battery Positive Voltage (U2K)

F1

PK

1639

Run/Crank Ignition 1 Voltage (KA1)

PK

1639

Ignition 1 Voltage (KA1)

F2

YE

5199

Relay Coil Control

F3

D-BU

15

Right Turn Signal Lamp Supply Voltage

F4

RD/BK

342

Battery Positive Voltage (AJ6)

F5

BN

4

Accessory Voltage (MN5)

F6

PK/BK

5290

Ignition 1 Voltage (L61)

Liftgate Relay Block (Wire Entry) (Panel Van)


Object Number: 1826126  Size: CH

Connector Part Information

  • OEM: E-1588
  • Service: See Catalog
  • Description: 10-Way F (BK)

Terminal Part Information

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

Liftgate Relay Block (Wire Entry) (Panel Van)

Pin

Wire Color

Circuit No.

Function

R1-1

L-GN/BK

5703

Liftgate Relay B+

R1-2

WH/BK

1221

Liftgate Release Switch Signal

R1-3

L-GN/BK

5703

Liftgate Relay B+

R1-4

--

--

Not Used

R1-5

TN/WH

56

Rear Compartment Lid Release Actuator

R2-1-R2-5

--

--

Not Used

Body Control Module (BCM) Label


Object Number: 1749526  Size: MF

Body Control Module (BCM) Label Usage

No.

Device

Rating

Description

1

FUSE PULLER

--

FUSE PULLER

2-5

EMPTY

--

Not Used

6

AMP

20A

Audio Amplifier

7

CLSTR

10A

Instrument Panel Cluster (IPC)

8

IGN SW/PK3+

2A

Ignition Switch

9

STOP LP

10A

Stop Lamp Switch

10

HVAC/PK3+

10A

HVAC Control Module and Theft Deterrent Control Module

11

EMPTY

--

Not Used

12

SPARE

20A

Not Used

13

AIRBAG

10A

Inflatable Restraints Sensing and Diagnostic Module (SDM) and Inflatable Restraint Front Passenger Presence System (PPS) Module

14

SPARE

10A

Not Used

15

WPR

10A

Windshield Wiper Washer Switch

16

HVAC/IP IGN

10A

I/P Cluster, Clutch Pedal Start Switch, HVAC Control Module, and Stop Lamp/TCC/Cruise Release Switch

17-18

EMPTY

--

Not Used

19

EPS/STR WHL CNTRL

2A

Electronic Power Steering (EPS) Column Assembly and Inflatable Restraint Steering Wheel Module Coil

20

S ROOF

15A

Not Used

21

SPARE

20A

Not Used

22

EMPTY

--

Not Used

23

RDO

15A

Radio and Remote Control Door Lock Receiver

24

SDM

10A

Inflatable Restraint Sensing and Diagnostic Module (SDM) and Body Control Module

25

ECM/TCM

10A

Fuse Block Underhood, Engine Control Module (ECM), and Transmission Control Module (TCM)

26

DR LCK

15A

Driver Door Unlock Relay, Door Unlock Relay, and Door Lock Relay

27

INT LIGHT

10A

Interior Lamps Relay

28

SWC BKLT

2A

Inflatable Restraint Steering Wheel Module Coil

29

PWR WINDW

30A

Master Switch

30

HVAC Relay

--

Blower Motor

31

--

--

Not Used

32

RAP Relay

--

PWR WINDW Fuse, SPARE fuses, and S ROOF Fuse

Printed Circuit Board (PCB) Relays - Not Serviceable

--

DOOR LOCK PCB Relay

--

BCM Logic, Door Latches

--

DOOR UNLOCK PCB Relay

--

BCM Logic, Door Latches

--

DR DOOR UNLOCK PCB Relay

--

BCM Logic, Driver Door Latch

--

INT LIGHT PCB Relay

--

Dome Lamp, Inside Rearview Mirror

Body Control Module (BCM) - Top View


Object Number: 1581724  Size: MF

Body Control Module (BCM) - Bottom View


Object Number: 1581726  Size: MF

Body Control Module (BCM) C1


Object Number: 1376257  Size: CH

Connector Part Information

  • OEM: 15393122
  • Service: 88987847
  • Description: 72-Way F Micro-64 Unsealed (GY)

Terminal Part Information

  • Pins: 1, 3-9, 13-20, 22, 31, 33, 35, 36, 44, 47, 51, 54, 55, 58-65, 67, 68, 69-71
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Body Control Module (BCM) C1

Pin

Wire Color

Circuit No.

Function

1

L-BU/BK

747

Left Rear Door Ajar Switch Signal

2

--

--

Not Used

3

PU

5531

Hood Closed Switch Signal (AP3)

4

PK/BK

109

Hood Ajar Switch Signal (AP3)

5

TN

755

Sunroof Enable Signal (CF5)

6

WH

682

Door Lock Lock/Unlock Signal

7

WH/BK

682

Door Lock Lock/Unlock Signal

8

WH/RD

1080

Park Lamp Relay Control

9

YE

5456

Rear Wiper Park Signal

10-12

--

--

Not Used

13

PK

849

Brake Fluid Level Sensor Signal (1)

14

L-BU

1134

Park Brake Switch Signal

15

YE

5199

Run/Crank Relay Coil Control

16

WH

193

Rear Defog Relay Control

17

D-BU

15

Right Turn Signal Lamp Supply Voltage

18

D-GN

5060

Low Speed GMLAN Serial Data (U2K)

19

TN/WH

746

Right Front Door Ajar Switch Signal

20

L-GN/BK

748

Right Rear Door Ajar Switch Signal

21

--

--

Not Used

22

GY/BK

745

Left Front Door Ajar Switch Signal

23-30

--

--

Not Used

31

L-BU

1344

Liftgate Release Relay Control

32

--

--

Not Used

33

D-GN/WH

1135

A/T Shift Interlock Solenoid Supply Voltage (MN5)

34

--

--

Not Used

35

L-BU

14

Left Turn Signal Lamp Supply Voltage

36

D-GN

5060

Low Speed GMLAN Serial Data (UE1)

37-43

--

--

Not Used

44

TN/WH

1969

Headlamp High Beam Relay Control

45-46

--

--

Not Used

47

YE

196

Windshield Wiper Motor Park Switch Signal

48-50

--

--

Not Used

51

D-GN

113

Windshield Wiper Switch Signal 2

52-53

--

--

Not Used

54

YE

317

Fog Lamp Relay Control (T37)

55

PK/BK

1303

Liftgate Ajar Switch Signal

56-57

--

--

Not Used

58

L-GN

2270

Rear Window Washer Relay Control

59

GY

391

Rear Window Wiper Switch Signal

60

TN

28

Horn Relay Control

61

BK/WH

1251

Signal Ground

62

RD/WH

1240

Battery Positive Voltage

63

GY

596

5-Volt Reference

64

BK/WH

851

Signal Ground

65

TN/WH

1704

Sensor Low Reference

66

--

--

Not Used

67

YE

61

Low Reference

68

WH

5075

Current Sensor Signal

69

WH/BK

1221

Liftgate Release Switch Signal (Except Panel Van)

L-GN

5926

Release Switch Signal (Panel Van)

70

D-GN/WH

636

Ambient Air Temperature Sensor Signal

71

L-GN/BK

592

DRL Relay Control

72

--

--

Not Used

Body Control Module (BCM) C2


Object Number: 1376254  Size: CH

Connector Part Information

  • OEM: 15393121
  • Service: 88987848
  • Description: 72-Way F Micro-64 Unsealed (GY)

Terminal Part Information

  • Pins: 1,-5, 9, 11, 14-16, 17, 19, 20, 26, 38, 44, 47, 51, 54, 56-58, 61, 62, 64, 66-69, 71, 72
  • Terminal/Tray: 15359541/4
  • Core/Insulation Crimp: M/M
  • Release Tool/Test Probe: 15381651-2/J-35616-64B (L-BU)

Body Control Module (BCM) C2

Pin

Wire Color

Circuit No.

Function

1

TN/BK

2500

High Speed GMLAN Serial Data Bus (+)

2

TN/BK

2500

High Speed GMLAN Serial Data Bus (+)

3

YE

10

Headlamp Switch Signal

4

PU

524

Headlamp Dimmer Switch High Beam Signal

5

BN/WH

301

Park Lamp Switch On Signal

6-8

--

--

Not Used

9

WH

111

Hazard Switch Signal

10

--

--

Not Used

11

D-GN

264

Security Indicator Supply Voltage

12-13

--

--

Not Used

14

TN

28

Horn Relay Control

15

WH

103

Headlamp Switch On Signal

16

OG

192

Front Fog Lamp Switch Signal (T37)

17

PU/WH

549

Headlamp Switch Headlamps Off Signal

18

--

--

Not Used

19

TN

2501

High Speed GMLAN Serial Data (-)

20

TN

2501

High Speed GMLAN Serial Data (-)

21-25

--

--

Not Used

26

D-GN

44

Instrument Panel Lamp Dimmer Switch Signal

27-37

--

--

Not Used

38

L-GN/BK

5060

Low Speed GMLAN Serial Data

39-43

--

--

Not Used

44

L-GN/BK

1137

DRL Ambient Light Sensor Signal

45-46

--

--

Not Used

47

YE/BK

1138

DRL Ambient Light Sensor Low Reference

48-50

--

--

Not Used

51

BN

1356

Flash To Pass Switch Signal

52-53

--

--

Not Used

54

L-BU

20

Stop Lamp Supply Voltage

55

--

--

Not Used

56

WH

1390

Off/Run/Crank Voltage

57

GY

112

Windshield Wiper Switch Signal 1

58

PU

719

Low Reference

59-60

--

--

Not Used

61

GY

1884

Cruise Control Switch Signal

62

WH/BK

1073

Ignition Key Resistor Signal

63

--

--

Not Used

64

WH

2283

Rear Wiper/Washer Switch Supply Voltage

65

--

--

Not Used

66

YE/BK

1418

Left Rear Turn Signal Switch Signal

67

D-GN/WH

1419

Right Rear Turn Signal Switch Signal

68

L-BU

292

Rear Defog Switch Signal

69

L-GN

66

A/C Request Signal

70

--

--

Not Used

71

PU

5234

Passenger Seat Belt Indicator

72

WH

193

Rear Defog Relay Control

Body Control Module (BCM) C3


Object Number: 1362564  Size: CH

Connector Part Information

  • OEM: 15492675
  • Service: 15404825
  • Description: 41-Way F Micro-64 Unsealed (RD)

Terminal Part Information

  • Pins: A1-A5, A7- A10, A12, B1, B3, B5, B12, C12, D4, D7
  • Pins: C3 (Panel Van)
  • Terminal/Tray: 12110844/4
  • Core/Insulation Crimp: Pins A1-A5, A7-A10, A12, B1, D4 - E/A
  • Core/Insulation Crimp: Pins B3, B5, B12, C12, D7 - E/C
  • Core/Insulation Crimp: Pins C3 - C/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: C5, D1, D6, D10-D12
  • Terminal/Tray: 12110842/4
  • Core/Insulation Crimp: Pins C5, D11 - A/B
  • Core/Insulation Crimp: Pins D1, D6, D10, D12 - F/G
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Body Control Module (BCM) C3

Pin

Wire Color

Circuit No.

Function

A1

TN

294

Door Lock Actuator Unlock Control (Except Panel Van)

TN

294

Door Lock Actuator Unlock Control

A2

TN

294

Door Lock Actuator Unlock Control (Except Panel Van)

A3

D-BU/WH

149

Courtesy Lamp Supply Voltage

A4

GY

295

Door Lock Actuator Lock Control (Except Panel Van)

GY

295

Door Lock Actuator Lock Control (Except Panel Van)

A5

GY

295

Door Lock Actuator Lock Control

GY

295

Door Lock Actuator Lock Control

A6

--

--

Not Used

A7

BN

9

Park Lamp Supply Voltage

A8

PK

339

Ignition 1 Voltage

A9

YE

18

Left Rear Stop/Turn Lamp Supply Voltage

A10

GY

157

Courtesy Lamp Control

A11

--

--

Not Used

A12

D-GN

19

Right Rear Stop/Turn Lamp Supply Voltage

B1

TN/BK

694

Driver Door Lock Actuator Unlock Control

B2

--

--

Not Used

B3

RD/WH

1240

Battery Positive Voltage

RD/WH

1240

Battery Positive Voltage

B4

--

--

Not Used

B5

BN

4

Accessory Voltage

BN

4

Accessory Voltage (MN5)

B6-B7

--

--

Not Available

B8-B11

--

--

Not Used

B12

GY

8

Instrument Panel Lamps Dimmer Switch Signal

GY

8

Instrument Panel Lamps Dimmer Switch Signal

C1-C2

--

--

Not Available

C3

D-GN

1301

RAP Fuse Supply Voltage (Panel Van)

C4

--

--

Not Used

C5

D-GN

801

Retained Accessory Power Fuse Supply Voltage

C6-C7

--

--

Not Available

C8-C11

--

--

Not Used

C12

OG

228

Windshield Washer Pump Control

D1

RD/BK

142

Battery Positive Voltage

D2

--

--

Not Available

D3

--

--

Not Used

D4

RD/WH

840

Battery Positive Voltage

D5

--

--

Not Used

D6

PK

739

Ignition 1 Voltage

PK

739

Ignition 1 Voltage (Panel Van)

D7

PK

1339

Ignition 1 Voltage

PK

1339

Ignition 1 Voltage

D8-D9

--

--

Not Used

D10

RD/BK

442

Battery Positive Voltage

D11

RD/WH

640

Battery Positive Voltage (UQ3)

D12

RD/BK

242

Battery Positive Voltage

Body Control Module (BCM) C4


Object Number: 697044  Size: CH

Connector Part Information

  • OEM: 15492668
  • Service: 88988776
  • Description: 68-Way F Micro-64 Unsealed (L-GY)

Terminal Part Information

  • Pins: E12
  • Terminal/Tray: 12110842/4
  • Core/Insulation Crimp: A/B
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: D4, D10
  • Terminal/Tray: 12110842/4
  • Core/Insulation Crimp: Pins D4 - F/G
  • Core/Insulation Crimp: Pins D10 - See Terminal Repair Kit
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pins: B1, B2, C1, C2, C8, C11, C12, D1, D3, E6, F1, F3, F9, E1, F4-F6
  • Terminal/Tray: 12110844/4
  • Core/Insulation Crimp: Pins B1, B2, C2, C8, C11, C12, D1, D3, E6, F1, F3, F9 - E/C
  • Core/Insulation Crimp: Pins A2, C1, E1, F4-F6 - E/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Body Control Module (BCM) C4

Pin

Wire Color

Circuit No.

Function

A1

--

--

Not Used

A2

GY

157

Courtesy Lamp Control

A3-A12

--

--

Not Used

B1

OG

228

Windshield Washer Pump Control

B2

GY

8

Instrument Panel Lamps Dimmer Switch Signal

GY

8

Instrument Panel Lamps Dimmer Switch Signal

B3-B12

--

--

Not Used

C1

RD/WH

1440

Battery Positive Voltage

C2

GY

8

Instrument Panel Lamps Dimmer Switch Signal

C3-C5

--

--

Not Used

C6-C7

--

--

Not Available

C8

BN

4

Accessory Voltage (MN5)

C8

BN

4

Accessory Voltage (w/o MN5)

BN

4

Accessory Voltage (w/o MN5)

C9-C10

--

--

Not Used

C11

GY

8

Instrument Panel Lamps Dimmer Switch Signal

GY

8

Instrument Panel Lamps Dimmer Switch Signal

C12

GY

8

Instrument Panel Lamps Dimmer Switch Signal

D1

RD/WH

1040

Battery Positive Voltage

D2

--

--

Not Used

D3

YE

5199

Run/Crank Relay Coil Control

D4

BN

141

Run Ignition 3 Voltage

D5

--

--

Not Used

D6-D7

--

--

Not Available

D8-D9

--

--

Not Used

D10

RD/WH

1140

Battery Positive Voltage

RD/WH

1140

Battery Positive Voltage

D11-D12

--

--

Not Used

E1

RD/WH

140

Battery Positive Voltage

E2-E5

--

--

Not Used

E6

PK

439

Ignition 1 Voltage

E7-E11

--

--

Not Used

E12

BK

550

Ground

F1

RD/WH

1540

Battery Positive Voltage

RD/WH

1540

Battery Positive Voltage

F2

--

--

Not Used

F3

GY

8

Instrument Panel Lamp Dimmer Switch Signal (T37)

GY

8

Instrument Panel Lamp Dimmer Switch Signal

F4

PK

339

Ignition 1 Voltage

PK

339

Ignition 1 Voltage

F5

PK

339

Ignition 1 Voltage

F6

PK

339

Ignition 1 Voltage

PK

339

Ignition 1 Voltage (M86)

F7-F8

--

--

Not Used

F9

PK

1539

Ignition 1 Voltage

PK

1539

Ignition 1 Voltage

F10-F12

--

--

Not Used

Fuse Block - Rear Access Panel Top View (Panel Van)


Object Number: 1852254  Size: MF

Fuse Block - Rear Access Panel (Wire Entry) (Panel Van)


Object Number: 1852255  Size: MF

Connector Part Information

  • OEM: E-1588
  • Service: See Catalog
  • Description: 10-Way F (BK)

Terminal Part Information

  • Pins: F1-1-F3-2
  • Terminal/Tray: 77216-HK200/25
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094434/J-35616-4A (PU)
  • Pins: F6-1
  • Terminal/Tray: 771816-HK200/7
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: F6-2
  • Terminal/Tray: 771416-HK200/7
  • Core/Insulation Crimp: A/D
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)

Connector Part Information

  • OEM: E-1012
  • Service: See Catalog
  • Description: 10-Way F (BK)

Terminal Part Information

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

Fuse Block - Rear Access Panel (Wire Entry) (Panel Van)

Pin

Wire Color

Circuit No.

Function

R1-1

L-GN/BK

5703

Battery Positive Voltage

R1-2

L-BU/BK

6656

Rear Access Panel Release Switch Signal - LR

R1-3

L-BU/WH

6667

Rear Access Panel Relay Control - LR

R1-4

--

--

Not Used

R1-5

BK

1250

Ground

R2-1

L-GN/BK

5703

Battery Positive Voltage

R2-2

TN/BK

6658

Rear Access Panel Release Switch Signal - RR

R2-3

L-GN/BK

6669

Rear Access Panel Relay Control - RR

R2-4

--

--

Not Used

R2-5

BK

1250

Ground

F1-1

L-GN

5926

Release Switch Signal

F1-2

L-BU/BK

6656

Rear Access Panel Release Switch Signal - LR

F2-1

L-GN

5926

Release Switch Signal

F2-2

TN/BK

6658

Rear Access Panel Release Switch Signal - LR

F3-1

L-GN

5926

Release Switch Signal

F3-2

WH/BK

1221

Liftgate Release Switch Signal

F4-1-F5-2

--

--

Not Used

F6-1

PK

1739

Ignition 1 Voltage

F6-2

PK

739

Ignition 1 Voltage