GM Service Manual Online
For 1990-2009 cars only

Bank 1, Knock Sensor


Object Number: 95764  Size: CH

Connector Part Information

    • 12176800
    • 1-Way F Metric-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor Signal

Bank 2, Knock Sensor


Object Number: 95764  Size: CH

Connector Part Information

    • 12176800
    • 1-Way F Metric-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1876

Knock Sensor Signal

Camshaft Position (CMP) Sensor


Object Number: 73223  Size: CH

Connector Part Information

    • 12162279
    • 3-Way F Metric-Pack 150.2 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

Camshaft Position Sensor Signal

B

BLK/WHT

836

Crankshaft Position Sensor Ground

C

WHT/BLK

644

Reference Voltage Feed

Crankshaft Position (CKP) Sensor


Object Number: 280765  Size: CH

Connector Part Information

    • 12162834
    • 4-Way F Metric-Pack 150.2 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1800

Crankshaft Position (CKP) Sync Signal

B

YEL

573

Crankshaft Position (CKP) 7X Reference Signal-High

C

BLK/WHT

836

Camshaft Position (CMP) Sensor Ground

D

WHT/BLK

644

Camshaft Position (CMP) Sensor Battery Positive Voltage

Engine Coolant Level Indicator Module


Object Number: 73223  Size: CH

Connector Part Information

    • 12162186
    • 3-Way F Metric-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

YEL/BLK

68

Low Coolant Level Indicator Output

C

BLK/WHT

451

Ground - Clean

Engine Coolant Temperature (ECT) Sensor


Object Number: 62485  Size: CH

Connector Part Information

    • 12162226
    • 3-Way F Metric-Pack 150 Series Pull to Seat (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK

2761

Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

C

DK GRN

135

Coolant Temperature Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F Metric-Pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fused Output-IGN1

B

DK GRN/WHT

428

EVAP Canister Purge Valve Solenoid Output

Evaporative Emission (EVAP) Canister Vent Solenoid Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 12052643
    • 2-Way F Metric-Pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

1639

Fused Output-IGN1

B

WHT

1310

EVAP Canister Vent Valve Solenoid Output

Exhaust Gas Recirculation (EGR) Valve


Object Number: 68773  Size: CH

Connector Part Information

    • 12186056
    • 5-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

1676

Exhaust Gas Recirculation (EGR) Solenoid Feed

B

BLK

2753

EGR Pintle Position Sensor Ground

C

BRN

1456

Exhaust Gas Recirculation (EGR) Pintle Position Signal

D

GRY

2702

5 Volt Reference

E

GRY

435

EGR Vent Solenoid Output

Fuel Injectors


Object Number: 258295  Size: CH

Connector Part Information

    • 12129140
    • 2-Way F Metric-Pack 280.1 Series Sealed Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Output-IGN1

B

BLK

1744

Fuel Injector 1 Output

B

LT GRN/BLK

1745

Fuel Injector 2 Output

B

PNK/BLK

1746

Fuel Injector 3 Output

B

LT BLU/BLK

844

Fuel Injector 4 Output

B

BLK/WHT

845

Fuel Injector 5 Output

B

YEL/BLK

846

Fuel Injector 6 Output

Fuel Pump Resistor


Object Number: 333039  Size: CH

Connector Part Information

    • 12052644
    • 2-Way F Metric-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1058

Fuel Pump Motor Feed, Secondary

B

GRY

120

Fuel Pump Motor, Feed

Fuel Tank, C1


Object Number: 258300  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

30

Fuel Gauge Sensor Signal

B

GRY

120

Fuel Pump Motor Feed

C

BLK

150

Ground

D

BLK/WHT

651

PCM Sensor Ground

Fuel Tank, C2


Object Number: 62453  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F Metric-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

PCM Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY/BLK

416

5 Volt Reference

Heated Oxygen Sensor 1 (HO2S 1)


Object Number: 280761  Size: CH

Connector Part Information

    • 12160482
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

Heated Oxygen Sensor, Sensor 1 (HO2S 1) Low

B

PPL

412

Heated Oxygen Sensor, Sensor 1 (HO2S 1) Signal

C

BLK

1050

Ground

D

PNK

339

Fused Output - IGN1

Heated Oxygen Sensor 2 (HO2S 2)


Object Number: 280761  Size: CH

Connector Part Information

    • 12160825
    • 4-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Heated Oxygen Sensor (HO2S 2) Low (Rear of Converter)

B

PPL/WHT

1668

Heated Oxygen Sensor 2 (HO2S 2) Signal (Rear of Converter)

C

BLK

1050

Ground

D

PNK

339

Fused Output - IGN1

Idle Air Control (IAC) Valve


Object Number: 38608  Size: CH

Connector Part Information

    • 12162190
    • 4-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

IAC Coil B High

B

LT GRN/WHT

1749

IAC Coil B Low

C

LT BLU/BLK

1748

IAC Coil A High

D

LT BLU/WHT

1747

IAC Coil A Low

Ignition Control Module (ICM)


Object Number: 302002  Size: CH

Connector Part Information

    • 12124379
    • 14-Way F Metric-Pack 150.2 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

423

Ignition Control Signal

B

TAN/BLK

424

Bypass Signal

C

LT BLU

647

18X Reference

D

PPL/WHT

430

3X Reference

E

WHT

121

Tachometer Signal

F

BLK

630

Camshaft Position (CMP) Signal Output

G

YEL

573

Crankshaft Position (CKP) 7X Signal

H

LT BLU/WHT

1800

CKP Sync Signal

J

BRN/WHT

633

CMP Sensor Signal

K

BLK/WHT

451

PCM Ground

L

RED/BLK

453

Reference Low Signal

M

BLK/WHT

836

CMP/CKP Sensor Ground

N

WHT/BLK

644

Reference Voltage Feed

P

PNK

239

Fused Output - IGN 1

Intake Air Temperature Sensor


Object Number: 232831  Size: CH

Connector Part Information

    • 12162199
    • 2-Way F Metric-Pack 150.2 Series, Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

Fused Output-Battery Feed

B

TAN

472

Manifold Absolute Temperature Sensor Signal

Manifold Absolute Pressure (MAP) Sensor (w/RPO L36)


Object Number: 68740  Size: CH

Connector Part Information

    • 12129946
    • 3-Way Weather-Pack Tower (WHT)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Manifold Absolute Pressure Sensor Return

B

LT GRN

432

MAP Sensor Signal

C

GRY

2704

Reference Feed - 5 Volts

Manifold Absolute Pressure (MAP) Sensor (w/RPO L67)


Object Number: 280779  Size: CH

Connector Part Information

    • 12103771
    • 3-Way M Weather-Pack Tower (WHT)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Manifold Absolute Pressure Sensor Return

B

LT GRN

432

MAP Sensor Signal

C

GRY

2704

Reference Feed - 5 Volts - MAP Sensor

Mass Air Flow (MAF) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059595
    • 3-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

492

MAF Sensor Signal

B

BLK

451

PCM Ground

C

PNK

339

Fused Output-IGN 1

Park/Netrual Position (PNP) Switch, C1


Object Number: 68780  Size: CH

Connector Part Information

    • 12129840
    • 7-Way F Metric-Pack Mixed Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

434

Park/Neutral Input

B

ORN

840

Fused Battery Feed

C

LT GRN

275

Backup Lamp Output

D

BLK

1050

Ground

E

PPL

6

Crank Relay Output-Coil

F

LT GRN

24

Backup Lamp Feed

G

YEL

5

Ignition Switched Power Feed

Park/Netrual Position (PNP) Switch, C2


Object Number: 40412  Size: CH

Connector Part Information

    • 12191757
    • 4-Way F Metric-Pack 150 Series Sealed (NAT)

Pin

Wire Color

Circuit No.

Function

A

WHT

776

Transaxle Range Switch Signal - Parity BIT

B

YEL

772

Transaxle Range Switch Signal -2 BIT

C

GRY

773

Transaxle Range Switch Signal -3 BIT

D

BLK/WHT

771

Transaxle Range Switch Signal -1 BIT

Performance Shift Switch (w/RPO L67)


Object Number: 35441  Size: CH

Connector Part Information

    • 12048457
    • 2-Way M Metric-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

1493

Transaxle Shift Select Indicator Lamp Output - Performance

B

BLK

1550

Ground

Secondary Air Injection (A.I.R.) Pump Relay


Object Number: 535912  Size: CH

Connector Part Information

    • 12129716
    • 4-Way F Metric-Pack 280 Series Flexlock (GRY)

Pin

Wire Color

Circuit No.

Function

30

ORN

3040

Fuse Output - Battery

85

PNK

339

Fused Output - Ignition 1

86

BRN

436

Air Injection Reaction Pump Motor Relay Output - Coil

87

ORN

7

Vehicle Wake-Up Power

Secondary Air Injector Reaction (A.I.R.) Pump Motor


Object Number: 365990  Size: CH

Connector Part Information

    • 12191968
    • 2-Way F Metric-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED

78

Air Injection Reaction Pump Motor Feed

B

BLK

1250

Ground

Secondary Air Injection (A.I.R.) Valve Solenoid


Object Number: 537107  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fused Output - Ignition 1

B

PNK/BLK

429

Air Injection Reaction Solenoid Output

Supercharger By-Pass Valve (w/RPO L67)


Object Number: 35437  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Fused Output-IGN1

B

GRY

1724

Supercharger Boost Solenoid Output

Throttle Position (TP) Sensor


Object Number: 491634  Size: CH

Connector Part Information

    • 12110293
    • 3-Way F Metric-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2752

Sensor Return

B

DK BLU

417

Throttle Position Sensor Signal

C

GRY

2701

Reference Voltage Feed - 12 Volts

Vehicle Speed Sensor (VSS)


Object Number: 232831  Size: CH

Connector Part Information

    • 15336004
    • 2-Way F Metric-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Vehicle Speed Sensor Return

B

YEL

400

Vehicle Speed Sensor Signal