GM Service Manual Online
For 1990-2009 cars only
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position (CKP) Sensor
Table 3: Fuel Tank Pressure Sensor
Table 4: RH Fuel Level Sensor
Table 5: Fuel Injector #1
Table 6: Fuel Injector #2
Table 7: Fuel Injector #3
Table 8: Fuel Injector #4
Table 9: Fuel Injector #5
Table 10: Fuel Injector #6
Table 11: Fuel Injector #7
Table 12: Fuel Injector #8
Table 13: Throttle Positon (TP) Sensor
Table 14: Throttle Actuator Control Motor
Table 15: Intake Air Temperature (IAT) Sensor
Table 16: Manifold Absolute Pressure (MAP) Sensor
Table 17: Evaporative Emission (EVAP) Canister Purge Valve
Table 18: Evaporative Emission (EVAP) Vent Valve Solenoid
Table 19: Secondary Air Injection (AIR) Pump
Table 20: LF Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Table 21: LR Heated Oxygen Sensor (HO2S) Bank1 Sensor 2
Table 22: RF Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Table 23: RR Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Table 24: Clutch Pedal Position Switch
Table 25: Cruise Control Release Switch
Table 26: 2nd and 3rd Gear Blockout Solenoid
Table 27: Reverse Inhibit Solenoid
Table 28: Mass Air Flow (MAF) Sensor
Table 29: Engine Oil Level Sensor
Table 30: Engine Oil Pressure (EOP) Sensor
Table 31: Engine Coolant Level Indicator Switch
Table 32: Engine Coolant Temperature (ECT) Sensor
Table 33: Park/Neutral Position and Backup Switch - C1
Table 34: Park/Neutral Position and Backup Switch - C2

Camshaft Position (CMP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059596
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

Camshaft Position (CMP) Sensor - Signal

B

PNK/BLK

632

Reference Low

C

RED

631

Ignition Feed

Crankshaft Position (CKP) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059596
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

1869

Crankshaft Position (CKP) Sensor - Signal

B

YEL/BLK

1868

Reference Low

C

LT GRN

1867

Ignition Feed

Fuel Tank Pressure Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059596
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

720

Fuel Level Sensor Ground

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

598

5 Volt Reference Voltage

RH Fuel Level Sensor


Object Number: 38608  Size: CH

Connector Part Information

    • 12162187
    • 4 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

GRY

720

Sensor Return

C

LT BLU

1937

Right Fuel Level Sensor - Signal

D

BLK

150

Ground

Fuel Injector #1


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition (ON and START)

B

BLK

1744

Fuel Injector #1 Control

Fuel Injector #2


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition (ON and START)

B

LT GRN/BLK

1745

Fuel Injector #2 Control

Fuel Injector #3


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition (ON and START)

B

PNK/BLK

1746

Fuel Injector #3 Control

Fuel Injector #4


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition (ON and START)

B

LT BLU/BLK

844

Fuel Injector #4 Control

Fuel Injector #5


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition (ON and START)

B

BLK/WHT

845

Fuel Injector #5 Control

Fuel Injector #6


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition (ON and START)

B

YEL/WHT

846

Fuel Injector #6 Control

Fuel Injector #7


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Ignition (ON and START)

B

RED/BLK

877

Fuel Injector #7 Control

Fuel Injector #8


Object Number: 258295  Size: CH

Connector Part Information

    • 12065454
    • 2 Way F Metri-Pack 280.1 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

839

Ignition (ON and START)

B

DK BLU/WHT

878

Fuel Injector #8 Control

Throttle Positon (TP) Sensor


Object Number: 40442  Size: CH

Connector Part Information

    • 12162209
    • 6 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

485

Throttle Position (TP) Sensor #1 - 5V Reference

B

PPL

486

Throttle Position (TP) Sensor #1 - Ground

C

DK BLU

417

Throttle Position (TP) Sensor #1 - Signal

D

YEL/BLK

487

Throttle Position (TP) Sensor #2 - 5V Reference

E

WHT

484

Throttle Position (TP) Sensor #2 - Ground

F

PNK

427

Throttle Position (TP) Sensor #2 - Signal

Throttle Actuator Control Motor


Object Number: 258847  Size: CH

Connector Part Information

    • 12077901
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

581

Actuator control 1

B

BRN

582

Actuator control 2

Intake Air Temperature (IAT) Sensor


Object Number: 68719  Size: CH

Connector Part Information

    • 12162196
    • 2 Way F Metri-Pack 150.2 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

PPL

719

Intake Air Temperature (IAT) Sensor - Ground

B

TAN

472

Intake Air Temperature (IAT) Sensor - Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 12129945
    • 3 Way F Metri Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Manifold Absolute Pressure (MAP) Sensor - Ground

B

LT GRN

432

Manifold Absolute Pressure (MAP) Sensor - Signal

C

GRY

416

Manifold Absolute Pressure (MAP) Sensor - 5.0V Reference

Evaporative Emission (EVAP) Canister Purge Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 12052637
    • 2 Way Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Ignition (Hot W/IGN Relay Energized)

B

DK GRN/WHT

428

EVAP Canister Purge Valve Control

Evaporative Emission (EVAP) Vent Valve Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12052637
    • 2 Way Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

339

Battery Positive Feed

B

WHT

1310

Canister Vent Vale Solenoid Output

Secondary Air Injection (AIR) Pump


Object Number: 68730  Size: CH

Connector Part Information

    • 12110294
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

78

Secondary Air Injection Pump Motor - Feed

B

PNK/BLK

429

Secondary Air Injection Solenoid - Feed

C

BLK

150

Ground

LF Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 320619  Size: CH

Connector Part Information

    • 12162143
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1653

LF Heated Oxygen Sensor (HO2S) - Low

B

PPL/WHT

1665

LF Heated Oxygen Sensor (HO2S) - High

C

BLK

150

Ground

D

BRN

241

Ignition (ON)

LR Heated Oxygen Sensor (HO2S) Bank1 Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

LR Heated Oxygen Sensor (HO2S) - Low

B

PPL/WHT

1668

LR Heated Oxygen Sensor (HO2S) - High

C

BLK

150

Ground

D

BRN

241

Ignition (ON)

RF Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 320619  Size: CH

Connector Part Information

    • 12162143
    • 4 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

Heated Oxygen Sensor (HO2S) - Low

B

PPL

1666

Heated Oxygen Sensor (HO2S) - High

C

BLK

150

Ground

D

BRN

241

Ignition (ON)

RR Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

TAN

1671

RR Heated Oxygen Sensor (HO2S) - Low

B

PPL

1670

RR Heated Oxygen Sensor (HO2S) - High

C

BLK

150

Ground

D

BRN

241

Ignition (ON)

Clutch Pedal Position Switch


Object Number: 295466  Size: CH

Connector Part Information

    • 12034417
    • 2 Way F Metri-Pack 480 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1606

Battery Positive Feed

B

YEL

269

Starter Enable Feed

Cruise Control Release Switch


Object Number: 287957  Size: CH

Connector Part Information

    • 12041433
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

48

Clutch Switch Signal

B

PNK

339

Ignition Feed

2nd and 3rd Gear Blockout Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12052640
    • 2 Way F Metri-Pack 150 Series (WHT)

Pin

Wire Color

Circuit No.

Function

A

GRY

587

2nd and 3rd Gear Blockout Solenoid - Output

B

PNK

339

Ignition Feed

Reverse Inhibit Solenoid


Object Number: 35437  Size: CH

Connector Part Information

    • 12052640
    • 2 Way F Metri-Pack 150 Series (WHT)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1652

Reverse Inhibit Solenoid - Output

B

PNK

339

Ignition Feed

Mass Air Flow (MAF) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 12059596
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

492

Mass Air Flow (MAF) Sensor - Signal

B

BLK/WHT

451

Ground

C

PNK

339

Ignition Feed

Engine Oil Level Sensor


Object Number: 35437  Size: CH

Connector Part Information

    • 12052635
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

1174

Engine Oil Level Sensor - Signal

B

BLK

150

Ground

Engine Oil Pressure (EOP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 12065286
    • 3 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

452

Engine Oil Pressure (EOP) Sensor - Return

B

GRY

596

5.0V Reference

C

TAN/WHT

331

Engine Oil Pressure (EOP) Sensor - Signal

Engine Coolant Level Indicator Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12052635
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

68

Low Coolant Level Input

B

BLK

150

Ground

Engine Coolant Temperature (ECT) Sensor


Object Number: 232831  Size: CH

Connector Part Information

    • 12162192
    • 2 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

718

Engine Coolant Temperature (ECT) Sensor - Ground

B

YEL

410

Engine Coolant Temperature (ECT) Sensor - Signal

Park/Neutral Position and Backup Switch - C1


Object Number: 68780  Size: CH

Connector Part Information

    • 12129839
    • 7 Way F Metri-Pack Mixed Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

-

-

Not Used

B

ORN/BLK

434

Trans Mounted Neutral Safety Switch Signal

C

BRN

341

Ignition Feed

D

BLK/WHT

851

Ground

E

PPL

1606

Ignition Feed

F

GRY

1524

Back - Up Lamp Feed - Monitored

G

YEL

269

Theft Deterrent Relay Feed - Coil

Park/Neutral Position and Backup Switch - C2


Object Number: 40412  Size: CH

Connector Part Information

    • 12191750
    • 4 Way F Metri-Pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

771

PRND - A

B

GRY

773

PRND - C

C

WHT

776

PRND - P

D

YEL

772

PRND - B