GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC K Pickup - 4WD 🢒 Brakes 🢒 Antilock Brake System 🢒 Engine Controls Connector End Views
Table 1: Vehicle Speed Sensor (VSS) Adapter

Camshaft Position (CMP) Sensor Connector


Object Number: 68730 Size: CH

Connector Part Information
    • 12110293
    • 3F M/P 150 SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK/BLK

632

CMP Sensor Return

B

BRN/WHT

633

CMP Sensor Signal

C

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Crankshaft Position (CKP) Sensor Connector


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

B

PPL

574

CKP Sensor Return

C

YEL

573

CKP Sensor Signal

Exhaust Gas Recirculation (EGR) Valve Connector


Object Number: 68773 Size: CH

Connector Part Information
    • 12186057
    • 5F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

257

EGR Solenoid Output

B

BLK

470

Sensor Return

C

BRN

1456

EGR Solenoid Position Signal

D

GRY

474

5 Volt Reference

E

RED

1676

EGR Solenoid Output Feed

Engine Coolant Temperature (ECT) Sensor Connector


Object Number: 232831 Size: CH

Connector Part Information
    • 12162194
    • 2F M/P 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

452

Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

Evaporative Emission Canister Purge Valve Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052643
    • 2F M/P 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

539

Sensor Return

B

DK GRN/WHT

428

Canister Purge Solenoid Control

Evaporative Emission Canister Vent Valve Connector


Object Number: 35437 Size: CH

Connector Part Information
    • 12052641
    • 2F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

1310

Canister Vent Valve Solenoid Control

B

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Fuel Injectors


Object Number: 68795 Size: CH

Connector Part Information
    • 
        12065425
    • 10F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1744

Fuel Injector #1 Control

B

DK BLU/WHT

878

Fuel Injector #8 Control

C

LT BLU/BLK

844

Fuel Injector #4 Control

D

PNK/BLK

1746

Fuel Injector #3 Control

E

YEL/BLK

846

Fuel Injector #6 Control

F

BLK/WHT

845

Fuel Injector #5 Control

G

RED/BLK

877

Fuel Injector #7 Control

H

LT GRN/BLK

1745

Fuel Injector #2 Control

J

PNK

439

Ignition Fused Feed

K

PNK

439

Ignition Fused Feed

K

PNK

439

Ignition Fused Feed

Fuel Pump and Sender Connector


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 4F Metri-Pack 150 Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

1589

Fuel Level Signal To VCM

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK

470

Sensor Return

Fuel Tank Pressure Sensor Connector


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

470

Sensor Ground

B

DK GRN

890

Sensor Signal

C

GRY

474

5 Volt Reference

Heated Oxygen Sensor (HO2S) LH/RH Connector (4L80-E)


Object Number: 320619 Size: CH

Connector Part Information
    • 12162102
    • 4M M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

HO2S Return (Pre-converter)

B

PPL/WHT

1665

HO2S Signal (Pre-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Heated Oxygen Sensor (HO2S) LH/RH Connector (4L60-E)


Object Number: 68763 Size: CH

Connector Part Information
    • 12162144
    • 4M M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

HO2S Return (Pre-converter)

B

PPL

1666

HO2S Signal (Pre-converter)

C

BLK

150

Ground

D

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Idle Air Control (IAC) Valve Connector (Gas)


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

IAC Valve Motor Feed (Coil B Low)

B

LT GRN/WHT

1749

IAC Valve Motor Feed (Coil B High)

C

LT BLU/BLK

1748

IAC Valve Motor Feed (Coil A Low)

D

LT BLU/WHT

1747

IAC Valve Motor Feed (Coil A High)

Ignition Control Module (ICM) Connector


Object Number: 38608 Size: CH

Connector Part Information
    • 12162189
    • 4F M/P 150 (BLACK)

Pin

Wire Color

Circuit No.

Function

A

PNK

439

Fuse Output - Ignition 1 - Type III Fuse

B

WHT

423

Electronic Spark Timing Control Signal

C

BLK

150

Ground

D

WHT/BLK

1847

Ignition Coil Output (Bank B)

Intake Air Temperature (IAT) Sensor Connector


Object Number: 68719 Size: CH

Connector Part Information
    • 12162198
    • 2F M/P 150 (GRAY)

Pin

Wire Color

Circuit No.

Function

A

TAN

472

IAT Sensor Signal

B

BLK

470

IAT Sensor Return

Manifold Absolute Pressure (MAP) Sensor Connector


Object Number: 68740 Size: CH

Connector Part Information
    • 12129946
    • 3F M/P 150 (GRAY)

Pin

Wire Color

Circuit No.

Function

A

BLK

470

MAP Sensor Return

B

LT GRN

432

MAP Sensor Signal

C

GRY

474

5 Volt Reference

Mass Air Flow (MAF) Sensor Connector


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3F M/P 150 (BLACK)

Pin

Wire Color

Circuit No.

Function

A

YEL

492

MAF Sensor Signal

B

BLK/WHT

451

VCM Ground

C

PNK

539

Fuse Output - Ignition 1 - Type III Fuse

Throttle Position Sensor Connector


Object Number: 62485 Size: CH

Connector Part Information
    • 12078090
    • 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

416

5 Volt Reference

B

BLK

452

Sensor Return

C

DK BLU

417

TP Sensor Signal

Knock Sensor


Object Number: 35416 Size: CH

Connector Part Information
    • 12103023
    • 1M W/P TWR (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor Signal #1

Engine Temperature Switch


Object Number: 333039 Size: CH

Connector Part Information
    • 12089499
    • 1F M/P 150 (BLU)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

35

Coolant Temperature Indicator lamp Output

B

--

--

Not Used

Fuel Pump Balance Module Relay (03)


Object Number: 39670 Size: CH

Connector Part Information
    • 12129716
    • 4F M/P 280 (GRY)

Pin

Wire Color

Circuit No.

Function

30

PNK

639

Fuse Output Ignition - 1 Type III Fuse

85

GRY

120

Fuel Pump Motor Feed

86

LT GRN

497

Fuel Pump Relay Output - Coil - Secondary

87

LT GRN

1058

Fuel Pump Motor Feed - Secondary

Fuel Pump Balance Module (03)


Object Number: 73212 Size: CH

Connector Part Information
    • 12059573
    • 6F M/P 280 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fuse Output Ignition - 1 Type III Fuse

B

LT BLU

975

Auxiliary fuel Pump Motor Feed

C

DK BLU/WHT

970

Fuel Pump Motor Feed

D

LT GRN

497

Fuel Pump Relay Output - Coil - Secondary

E

BLK/WHT

451

Engine Control Module Ground

F

PPL

30

Fuel Gauge Sensor Signal

Auxiliary Fuel Pump and Sender (03)


Object Number: 38608 Size: CH

Connector Part Information
    • 12162188
    • 4F M/P 150.2P25 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Engine Control Module Ground

B

--

--

Not Used

C

--

--

Not Used

D

LT BLU

975

Auxiliary Fuel Pump Motor Feed

Fuel Pump Motor (03)


Object Number: 258174 Size: CH

Connector Part Information
    • 12010973
    • 2M M/P W/P SHD SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

GRY

120

Fuel Pump Motor Feed

Auxiliary Fuel Pump and Sender Motor (03)


Object Number: 258174 Size: CH

Connector Part Information
    • 12010973
    • 2M M/P W/P SHD SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

LT GRN

1058

Fuel Pump Motor Feed Secondary

Fuel Tank Pressure Sensor (06, 16, 43)


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

470

Sensor Return

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

474

Reference Voltage Feed - 5 Volt Reference

Fuel Pump Motor (06, 16, 43,53)


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 3F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Gauge Sensor Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK

470

Sensor Return

Fuel Pump and Sender (06, 16, 43,53)


Object Number: 258174 Size: CH

Connector Part Information
    • 12010973
    • 2M W/P 5HD (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Engine Control Module Ground

B

PPL

30

Fuel Gauge Sensor Signal

Fuel Pump and Sender (Diesel) (03)


Object Number: 258174 Size: CH

Connector Part Information
    • 12010973
    • 2M W/P SHD SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Engine Control Module Ground

B

DK BLU/WHT

970

Fuel Pump Motor Feed

Fuel Pump and Sender (53)


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 4-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1589

Fuel Level Signal to VCM

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK

470

Sensor Return

Fuel Pump and Sender (Gas) (03)


Object Number: 309547 Size: CH

Connector Part Information
    • 12010717
    • 3M W/P SHD SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Engine Control Module Ground

B

DK BLU/WHT

970

Fuel Pump Motor Feed

C

GRY

120

Fuel Pump Motor Feed

Low Engine Coolant Level Indicator Module Connector (Diesel)


Object Number: 62420 Size: CH

Connector Part Information
    • 12004706
    • P/C Edgeboard (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Fuse Output - Ignition 1 Type III Fuse

B

--

--

Not Used

C

BLK

150

Ground

D

--

--

Not Used

E

YEL/BLK

68

Low Coolant Level Indicator Lamp Output

F

LT GRN

1478

Low Coolant Sensor Signal

Secondary Air Injector Pump Motor


Object Number: 333039 Size: CH

Connector Part Information
    • 12052644
    • 2F M/P 150 (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

78

Air Injection Reaction Pump Motor Feed

B

BLK

150

Ground

Vehicle Speed Sensor (VSS) Adapter


Object Number: 637318 Size: CF

Connector Part Information
    • 12162194
    • 2-Way F Metri-Pack 280 Series, Sealed (BLK)

Connector Part Information
    • 12160435
    • 2-Way M-to-M Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

VSS High

A

LT GRN/BLK

822

VSS Low

B

LT GRN/BLK

822

VSS Low

B

PPL/WHT

821

VSS High