GM Service Manual Online
For 1990-2009 cars only
Table 1: Accelerator Pedal Position (APP) Sensor
Table 2: Camshaft Position (CMP) Sensor
Table 3: Crankshaft Position (CKP) Sensor
Table 4: Engine Coolant Temperature (ECT) Sensor
Table 5: Evaporative Emission (EVAP) Canister Purge Solenoid
Table 6: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 7: Exhaust Gas Recirculation (EGR) Valve
Table 8: Fuel Injector 1
Table 9: Fuel Injector 2
Table 10: Fuel Injector 3
Table 11: Fuel Injector 4
Table 12: Fuel Injector 5
Table 13: Fuel Injector 6
Table 14: Fuel Injector 7
Table 15: Fuel Injector 8
Table 16: Fuel Pump And Sender Assembly - Primary
Table 17: Fuel Pump And Sender - Secondary
Table 18: Fuel Pump (FP) Relay - Secondary
Table 19: Fuel Tank Pressure (FTP) Sensor
Table 20: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (Delphi)
Table 21: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (Delphi)
Table 22: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (Delphi)
Table 23: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (Delphi)
Table 24: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (Denso)
Table 25: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (Denso)
Table 26: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (Denso)
Table 27: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (Denso)
Table 28: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (6.0L Only)
Table 29: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (6.0L Only)
Table 30: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (6.0L Only)
Table 31: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (6.0L Only)
Table 32: Idle Air Control (IAC) Valve
Table 33: Ignition Coils - 1,3,5,7 (Inline C148)
Table 34: Ignition Coils - 2,4,6,8 (Inline C149)
Table 35: Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Table 36: Knock Sensor (KS) 1 and Knock Sensor (KS) 2
Table 37: Manifold Absolute Pressure (MAP) Sensor
Table 38: Secondary Air Injection (AIR) Solenoid
Table 39: Secondary Air Injection (AIR) Pump Relay
Table 40: Secondary Air Injection (AIR) Pump
Table 41: Throttle Actuator Control (TAC) Motor
Table 42: Throttle Position (TP) Sensor
Table 43: Throttle Position (TP) Sensor (Dual Track)
Table 44: Vehicle Speed Sensor (VSS)
Table 45: Vehicle Speed Sensor (VSS) Adapter (4WD Only) - C1
Table 46: Vehicle Speed Sensor (VSS) Adapter (4WD Only) - C2

Accelerator Pedal Position (APP) Sensor


Object Number: 366097  Size: CH

Connector Part Information

    • 15318071
    • 10-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

GRY

1273

Low Reference

B

PPL

1272

Low Reference

C

LT BLU

1162

APP Sensor 2 Signal

D

TAN

1274

5 Volt Reference

E

BRN

971

Low Reference

F

DK BLU

1161

APP Sensor 1 Signal

G

WHT/BLK

1164

5 Volt Reference

H

--

--

Not Used

J

YEL/BLK

975

5 Volt Reference

K

DK GRN

1163

APP Sensor 3 Signal

Camshaft Position (CMP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

CMP Sensor Signal

B

PNK/BLK

632

Low Reference

C

RED

631

12 Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 366117  Size: CH

Connector Part Information

    • 15324165
    • 3-Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

DK

BLU /WHT

1869

CKP Sensor Signal

B

YEL

1868

Low Reference

C

LT GRN

1867

12 Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 237066  Size: CH

Connector Part Information

    • 12162194
    • 2 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

720

Low Reference

B

YEL

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12124037
    • 2 Way F Metri-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Ignition 1 Voltage

B

DK GRN/WHT

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 684795  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

WHT

1310

EVAP Canister Vent Solenoid Control

B

PNK

239

Ignition 1 Voltage -NM2

Exhaust Gas Recirculation (EGR) Valve


Object Number: 68773  Size: CH

Connector Part Information

    • 12186056
    • 5 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

257

EGR Solenoid Control

B

PPL

719

Low Reference

C

BRN

1456

EGR Valve Position Signal

D

GRY

596

5 Volt Reference

E

RED

1676

EGR Valve Supply Voltage

Fuel Injector 1


Object Number: 366123  Size: CH

Connector Part Information

    • 15326181
    • 2 Way F Lock Tab Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

1744

Fuel Injector 1 Control

B

PNK

1039

Ignition 1 Voltage

Fuel Injector 2


Object Number: 366123  Size: CH

Connector Part Information

    • 15326181
    • 2 Way F Lock Tab Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

1745

Fuel Injector 2 Control

B

PNK

1239

Ignition 1 Voltage

Fuel Injector 3


Object Number: 366123  Size: CH

Fuel Injector 3 Control

Connector Part Information

    • 15326181
    • 2 Way F Lock Tab Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

PNK/BLK

1746

Fuel Injector 3 Control

B

PNK

1039

Ignition 1 Voltage

Fuel Injector 4


Object Number: 366123  Size: CH

Connector Part Information

    • 15326181
    • 2 Way F Lock Tab Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/BLK

844

Fuel Injector 4 Control

B

PNK

1239

Ignition 1 Voltage

Fuel Injector 5


Object Number: 366123  Size: CH

Connector Part Information

    • 15326181
    • 2 Way F Lock Tab Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

845

Fuel Injector 5 Control

B

PNK

1039

Ignition 1 Voltage

Fuel Injector 6


Object Number: 366123  Size: CH

Connector Part Information

    • 15326181
    • 2 Way F Lock Tab Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

846

Fuel Injector 6 Control

B

PNK

1239

Ignition 1 Voltage

Fuel Injector 7


Object Number: 366123  Size: CH

Connector Part Information

    • 15326181
    • 2 Way F Lock Tab Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

RED/BLK

877

Fuel Injector 7 Control

B

PNK

1039

Ignition 1 Voltage

Fuel Injector 8


Object Number: 366123  Size: CH

Connector Part Information

    • 15326181
    • 2 Way F Lock Tab Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

878

Fuel Injector 8 Control

B

PNK

1239

Ignition 1 Voltage

Fuel Pump And Sender Assembly - Primary


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 Sensor Signal [- Primary]

B

GRY

120

Fuel Pump Supply Voltage

C

BLK

1650

Ground

D

ORN/BLK

510

Low Reference

Fuel Pump And Sender - Secondary


Object Number: 518981  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

DK BLU

1936

Fuel Level Sensor Signal [- Secondary]

B

LT GRN

1058

Fuel Balance Pump Supply Voltage

C

BLK

1650

Ground

D

ORN/BLK

510

Low Reference

Fuel Pump (FP) Relay - Secondary


Object Number: 535912  Size: CH

Connector Part Information

    • 12129716
    • 4-Way F Metri-Pack 280 FLX LK (MD GRY)

Pin

Wire Color

Circuit No.

Function

30

PNK

239

Ignition 1 Voltage

85

GRY

120

Fuel Pump Supply Voltage

86

TAN

1465

Fuel Pump Relay Control [- Secondary]

87

GRN LT

1058

Fuel Balance Pump Supply Voltage

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

BLK

470

Low Reference

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

474

5 Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (Delphi)


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

HO2S Low Signal - Bank 1 Sensor 1

B

PPL/WHT

1665

HO2S High Signal - Bank 1 Sensor 1

C

BLK

550

Ground

D

PNK

539

Ignition 1 Voltage

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


Object Number: 518981  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

HO2S Low Signal - Bank 1 Sensor 2

B

PPL/WHT

1668

HO2S High Signal - Bank 1 Sensor 2

C

BLK

550

Ground

D

PNK

1539

Ignition 1 Voltage

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


Object Number: 684854  Size: CH

Connector Part Information

    • 12162144
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

HO2S Low Signal - Bank 2 Sensor 1

B

PPL

1666

HO2S High Signal - Bank 2 Sensor 1

C

BLK

550

Ground

D

PNK

539

HO2S High Signal - Bank 2 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (Delphi)


Object Number: 518981  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

HO2S Low Signal - Bank 2 Sensor 2

B

PPL

1670

HO2S High Signal - Bank 2 Sensor 2

C

BLK

550

Ground

D

PNK

1539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (Denso)


Object Number: 474210  Size: CH

Connector Part Information

    • 12176897
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Signal

B

PPL/WHT

1665

HO2S High Signal - Bank 1 Sensor 1

C

PNK

539

HO2S High Signal - Bank 2 Sensor 1

D

BLK

550

Ground

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


Object Number: 474210  Size: CH

Connector Part Information

    • 12176897
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Signal

B

PPL/WHT

1668

HO2S High Signal [- Bank 1 Sensor 2]

C

PNK

1539

Ignition 1 Voltage

D

BLK

550

Ground

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


Object Number: 474210  Size: CH

Connector Part Information

    • 12176897
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Signal

B

PPL

1666

HO2S High Signal - Bank 2 Sensor 1

C

PNK

539

HO2S High Signal - Bank 2 Sensor 1

D

BLK

550

Ground

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (Denso)


Object Number: 474210  Size: CH

Connector Part Information

    • 12176897
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Signal

B

PPL

1670

HO2S High Signal - Bank 2 Sensor 2

C

PNK

1539

Ignition 1 Voltage

D

BLK

550

Ground

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 (6.0L Only)


Object Number: 628099  Size: CH

Connector Part Information

    • 12092840
    • 5 Way M Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Reference

B

PPL/WHT

1665

HO2S High Signal [- Bank 1 Sensor 1]

D

LT GRN/

WHT

3213

HO2S Heater High Control [- Bank 1 Sensor 1]

E

LT GRN

3212

HO2S Heater Low Control [- Bank 1 Sensor 1]

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 (6.0L Only)


Object Number: 518981  Size: CH

Connector Part Information

    • 12164981
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

HO2S Low Signal [- Bank 1 Sensor 2]

B

PPL/WHT

1668

HO2S High Signal [- Bank 1 Sensor 2]

C

BLK

550

Ground

D

PNK

1539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 (6.0L Only)


Object Number: 628099  Size: CH

Connector Part Information

    • 12092840
    • 5 Way M Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

413

HO2S Low Reference

B

PPL

1666

HO2S High Signal [- Bank 2 Sensor 1]

D

LT GRN/

WHT

3213

HO2S Heater High Control [- Bank 2 Sensor 1]

E

LT GRN

3212

HO2S Heater Low Control [- Bank 2 Sensor 1]

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 (6.0L Only)


Object Number: 518981  Size: CH

Connector Part Information

    • 12164981
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

HO2S Low Signal [- Bank 2 Sensor 2]

B

PPL

1670

HO2S High Signal [- Bank 2 Sensor 2]

C

BLK

550

Ground

D

PNK

1539

Ignition 1 Voltage

Idle Air Control (IAC) Valve


Object Number: 38608  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

444

IAC Coil B Low Control

B

LT GRN/WHT

1749

IAC Coil B High Control

C

LT BLU/BLK

1748

IAC Coil A Low Control

D

LT BLU/WHT

1747

IAC Coil A High Control

Ignition Coils - 1,3,5,7 (Inline C148)


Object Number: 684790  Size: CH

Connector Part Information

    • 12047938
    • 7-Way F Metri-Pack 150 Series Sealed (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

550

Ground

B

RED

2127

IC 7 Control

C

GRN DK

2125

IC 5 Control

E

BRN

2129

Low Reference

F

BLU LT

2123

IC 3 Control

G

PPL

2121

IC 1 Control

H

PNK

1039

Ignition 1 Voltage

Ignition Coils - 2,4,6,8 (Inline C149)


Object Number: 684790  Size: CH

Connector Part Information

    • 12047938
    • 7-Way F Metri-Pack 150 Series Sealed (LT GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

550

Ground

B

RED/WHT

2122

IC 2 Control

C

GRN DK/WHT

2124

IC 4 Control

E

BRN/WHT

2130

Low Reference

F

BLU LT/WHT

2126

IC 6 Control

G

PPL/WHT

2128

IC 8 Control

H

PNK

1239

Ignition 1 Voltage

Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor


Object Number: 366067  Size: CH

Connector Part Information

    • 15305555
    • 5-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

552

Low Reference

B

TAN

472

IAT Sensor Signal

C

BLK/WHT

451

Ground

D

PNK

239

Ignition 1 Voltage

E

YEL

492

MAF Sensor Signal

Knock Sensor (KS) 1 and Knock Sensor (KS) 2


Object Number: 35437  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor 1 Signal (Front)

B

LT BLU

1876

Knock Sensor 2 Signal (Rear)

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 12129946
    • 3 Way F Metri-Pack 150 Series (MD GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Low Reference

B

LT GRN

432

MAP Sensor Signal

C

GRY

597

5 Volt Reference

Secondary Air Injection (AIR) Solenoid


Object Number: 635009  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

RED

78

AIR Pump Supply Voltage

B

BLK

550

Ground

Secondary Air Injection (AIR) Pump Relay


Object Number: 39670  Size: CH

Connector Part Information

    • 12129716
    • 4 Way F Metri-Pack 280 Series (MD GRY)

Pin

Wire Color

Circuit No.

Function

30

RED

642

Battery Positive Voltage

85

PNK

639

Ignition 1 Voltage

86

BRN

436

AIR Pump Relay Control

87

RED

78

AIR Pump Supply Voltage

Secondary Air Injection (AIR) Pump


Object Number: 365990  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

RED

78

AIR Pump Supply Voltage

B

BLK

550

Ground

Throttle Actuator Control (TAC) Motor


Object Number: 35444  Size: CH

Connector Part Information

    • 12077900
    • 2 Way F Metri-Pack Series 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

582

TAC Motor Control - 2

B

YEL

581

TAC Motor Control - 1

Throttle Position (TP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12078090
    • 3 Way F Metri-Pack Series 150 Series Pull (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

416

Reference Voltage Feed (5 Volts)

B

BLK

452

Throttle Position (TP) Sensor Return

C

DK BLU

417

Throttle Position (TP) Sensor Signal

Throttle Position (TP) Sensor (Dual Track)


Object Number: 73231  Size: CH

Connector Part Information

    • 12162261
    • 6 Way F Metri-Pack Series 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

416

5 Volt Reference

B

BLK

452

Low Reference

C

DK GRN

485

TP Sensor 1 Signal

D

LT BLU/BLK

1688

5 Volt Reference

E

BLK/WHT

1704

Low Reference

F

PPL

486

TP Sensor 2 Signal

Vehicle Speed Sensor (VSS)


Object Number: 655692  Size: CH

Connector Part Information

    • 12162193
    • 2-Way F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

VSS High Signal

B

LT GRN /BLK

822

VSS Low Signal

Vehicle Speed Sensor (VSS) Adapter (4WD Only) - C1


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • 2 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

821

VSS High Signal

B

LT GRN/BLK

822

VSS Low Signal

Vehicle Speed Sensor (VSS) Adapter (4WD Only) - C2


Object Number: 655692  Size: CH

Connector Part Information

    • 12162193
    • 2-Way F M/P 150.2 P2S SLD (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN /BLK

822

VSS Low Signal

B

PPL/WHT

821

VSS High Signal