GM Service Manual Online
For 1990-2009 cars only
Table 1: A/C Compressor Clutch
Table 2: A/C Refrigerant Pressure Sensor
Table 3: Camshaft Position (CMP) Sensor
Table 4: Crankshaft Position (CKP) Sensor
Table 5: Electronic Ignition Control Module (ICM)
Table 6: Engine Coolant Temperature (ECT) Sensor
Table 7: Engine Oil Level Switch
Table 8: Engine Oil Pressure Sensor
Table 9: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Table 10: Evaporative Emission (EVAP) Canister Vent Solenoid Valve
Table 11: Exhaust Gas Recirculation (EGR) Valve
Table 12: Fuel Injector #1
Table 13: Fuel Injector #2
Table 14: Fuel Injector #3
Table 15: Fuel Injector #4
Table 16: Fuel Injector #5
Table 17: Fuel Injector #6
Table 18: Fuel Tank Unit (Fuel Pump Motor and Fuel Level Sensor)
Table 19: Fuel Tank Unit (Fuel Tank Pressure Sensor)
Table 20: Heated Oxygen Sensor Bank 1, Sensor 1
Table 21: Heated Oxygen Sensor Bank 1, Sensor 2
Table 22: Heated Oxygen Sensor Bank 2, Sensor 1
Table 23: Intake Air Temperature (IAT) Sensor
Table 24: Manifold Absolute Pressure (MAP) Sensor
Table 25: Mass Air Flow (MAF) Sensor
Table 26: Second Gear Start Switch (Chevrolet w/o NW9)
Table 27: Throttle Actuator Control
Table 28: Throttle Actuator Control Module
Table 29: Vehicle Speed Sensor Connector C2

A/C Compressor Clutch


Object Number: 62440  Size: CH

Connector Part Information

    • 1216-2017
    • 2-Way F Metri-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

59

A/C Compressor Relay Fuse Feed Input

B

BLK

450

Ground

A/C Refrigerant Pressure Sensor


Object Number: 258299  Size: CH

Connector Part Information

    • 1211-0192
    • 3-Way F Metri-pack 150 Series Pull To Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

720

Fuel Tank Unit Feed Input

B

LT BLU/BLK

1688

5V Reference Input

C

RED/BLK

380

A/C Sensor Signal

Camshaft Position (CMP) Sensor


Object Number: 73223  Size: CH

Connector Part Information

    • 1216-2279
    • 3-Way F Metri-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

Camshaft Position (CMP) Sensor Signal

B

RED/BLK

645

CMP/CKP Sensor Ground

C

WHT/BLK

644

CMP/CKP Sensor Ignition 12V Reference

Crankshaft Position (CKP) Sensor


Object Number: 280765  Size: CH

Connector Part Information

    • 1216-2834
    •  4-Way F Metri-pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1800

Crankshaft Position (CKP) Sync Signal

B

YEL

573

CKP 18x Signal

C

RED/BLK

645

CMP/CKP Sensor Ground

D

WHT/BLK

644

CMP/CKP Sensor Ignition 12V Reference

Electronic Ignition Control Module (ICM)


Object Number: 516619  Size: CH

Connector Part Information

    • 1212-4379
    • 14-Way F Metri-pack 150 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

423

Ignition Control

B

TAN/BLK

424

Bypass Control

C

LT BLU/BLK

647

18x Reference Signal

D

PPL/WHT

430

3x Reference Signal

E

--

--

Not Used

F

BLK

630

Camshaft Position Sensor Signal

G

YEL

573

CKP 18x Signal

H

LT BLU/WHT

1800

CKP Sync Signal

J

BRN/WHT

633

CMP Signal Sensor

K

BLK

450

Ground

L

RED/BLK

453

Reference Low

M

RED/BLK

645

CMP/CKP Sensor Ground

N

WHT/BLK

644

CMP/CKP Sensor Ignition 12V Reference

P

PNK

239

Fused Input Feed

Engine Coolant Temperature (ECT) Sensor


Object Number: 518983  Size: CH

Connector Part Information

    • 1216-2194
    •  2-Way F Metri-pack 150 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

718

Engine Coolant Tenperature (ECT) Sensor Ground

B

YEL

410

Engine Coolant Temperature (ECT) Sensor Signal 5V Reference

Engine Oil Level Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2641
    • 2 Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Ground

B

BRN

1174

Oil Level Switch Signal 5V Reference

Engine Oil Pressure Sensor


Object Number: 516616  Size: CH

Connector Part Information

    • 1206-5400
    • 4-Way F Metri-pack 150 Series (GRN)

Pin

Wire Color

Circuit No.

Function

A

TAN

31

Oil Pressure Indicator Lamp Output

B

BLK/WHT

451

Ground

C-D

--

--

Not Used

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2643
    • 2-Way F Metri-pack 150 Series Sealed (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Fused Input Feed

B

DK GRN/WHT

428

EVAP Canister Purge Valve Driver Ground

Evaporative Emission (EVAP) Canister Vent Solenoid Valve


Object Number: 35437  Size: CH

Connector Part Information

    • 1205-2643
    • 2 Way F Metri-pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

PNK

239

Fused Input Feed

B

WHT

1310

EVAP Canister Vent Valve Driver Ground

Exhaust Gas Recirculation (EGR) Valve


Object Number: 68773  Size: CH

Connector Part Information

    • 1218-6056
    •  5 Way F Metri-pack 150 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

435

Exhaust Gas Recirculation (EGR) Valve Control Ground

B

BLK

552

Sensor Ground

C

BRN

1456

Exhaust Gas Recirculation (EGR) Pintle Position Signal

D

GRY

598

MAP Sensor Input

E

LT BLU

697

Exhaust Gas Recirculation (EGR) Valve 12V Reference

Fuel Injector #1


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Input Feed

B

BLK

1744

Fuel Injector #1 Driver Ground

Fuel Injector #2


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Input Feed

B

LT GRN/BLK

1745

Fuel Injector #2 Driver Ground

Fuel Injector #3


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Input Feed

B

PNK/BLK

1746

Fuel Injector #3 Driver Ground

Fuel Injector #4


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Input Feed

B

LT BLU/BLK

844

Fuel Injector #4 Driver Ground

Fuel Injector #5


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Input Feed

B

BLK/WHT

845

Fuel Injector #5 Driver Ground

Fuel Injector #6


Object Number: 334635  Size: CH

Connector Part Information

    • 1532-6181
    • 2-Way F Micro-pack 64 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

639

Fused Input Feed

B

YEL/BLK

846

Fuel Injector #6 Driver Ground

Fuel Tank Unit (Fuel Pump Motor and Fuel Level Sensor)


Object Number: 518981  Size: CH

Connector Part Information

    • 1216-0482
    • 4-Way F Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

30

PCM Fuel Level Signal Input

B

GRY

120

Fuel Pump Relay Fuse Feed Input

C

BLK

150

Ground

D

BLK/WHT

651

PCM Sensor Ground Input

Fuel Tank Unit (Fuel Tank Pressure Sensor)


Object Number: 516611  Size: CH

Connector Part Information

    • 1205-9595
    • 3-Way F Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

PCM Sensor Ground Input

B

DK GRN

890

Fuel Tank Pressure Signal Input

C

GRY/BLK

416

A/C Refrigerant Pressure Sensor Output

Heated Oxygen Sensor Bank 1, Sensor 1


Object Number: 518981  Size: CH

Connector Part Information

    • 1216-0482
    • 4-Way F Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

/WHT

1653

Left Front Heated Oxygen Sensor (HO2S) - Low

B

PPL/WHT

1665

Left Front Heated Oxygen Sensor (HO2S) - High

C

BLK

450

Ground

D

PNK

539

Fused Input Feed

Heated Oxygen Sensor Bank 1, Sensor 2


Object Number: 280761  Size: CH

Connector Part Information

    • 1216-0825
    • 4 Way M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY

1981

Heated Oxygen Sensor (HO2S) - Low

B

DK BLU

1980

Heated Oxygen Sensor (HO2S) - High

C

BLK

450

Ground

D

PNK

539

Fused Input Feed

Heated Oxygen Sensor Bank 2, Sensor 1


Object Number: 518981  Size: CH

Connector Part Information

    • 1216-0482
    • 4-Way Metri-pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

1667

Right Front Heated Oxygen Sensor (HO2S) - Low

B

PPL

1666

Right Front Heated Oxygen Sensor (HO2S) - High

C

BLK

450

Ground

D

PNK

539

Fused Input Feed

Intake Air Temperature (IAT) Sensor


Object Number: 68719  Size: CH

Connector Part Information

    • 1216-2199
    • 2-Way F Metri pack 150.2 Series Sealed (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 5V Reference

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740  Size: CH

Connector Part Information

    • 1212-9946
    • 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

598

Manifold Absolute Pressure (MAP) Sensor 5V Reference

Mass Air Flow (MAF) Sensor


Object Number: 62453  Size: CH

Connector Part Information

    • 1205-9595
    • 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

539

Fused Input Feed

Second Gear Start Switch (Chevrolet w/o NW9)


Object Number: 304345  Size: CH

Connector Part Information

    • 1217-7195
    • 6-Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

1572

Second Gear Indicator Control Ground

B

PNK

39

Fused Input Feed

C

GRY

8

Interior Lights Dimming Ground Output

D

--

--

Not Used

E

BRN/WHT

1571

Second Gear Start Switch Signal Ground

F

BLK/WHT

451

Ground

Throttle Actuator Control


Object Number: 130644  Size: CH

Connector Part Information

    • 1204-7937
    • 8-Way F Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

476

TP Sensor 2 Ground

B

PPL

486

TP Sensor 2 Signal

C

GRY

597

TP Sensor 2 5V Reference

D

BRN

582

Not Used

E

YEL

581

Motor Driver-High

F

GRY/BLK

1687

TP Sensor 1 5V Reference

G

DK GRN

485

TP Sensor 1 Ground

H

BLK

470

TP Sensor 1 Ground

Throttle Actuator Control Module


Object Number: 39784  Size: CH

Connector Part Information

    • 1212-9225
    • 24-Way F Micro-pack 100 Series (NAT)

Pin

Wire Color

Circuit No.

Function

1

YEL

581

Motor Driver-High

2

--

--

Not Used

3

ORN

1540

Fused Input Feed

4

--

--

Not Used

5

BLK/WHT

451

Ground

6

--

--

Not Used

7

PNK

339

Fused Input Feed

8

DK BLU

84

Cruise Set/Coast Signal

9

LT BLU

20

Brake Switch Signal

10

DK GRN

485

TP Sensor 1 Ground

11

GRY/BLK

1687

TP Sensor 1 5V Reference

12

BLK

470

TP Sensor 1 Ground

13

BRN

582

Motor Driver-Low

14-15

--

--

Not Used

16

ORN/BLK

1061

TAC Serial Data

17

BLK/WHT

451

Ground

18

TAN

800

TAC Serial Data

19

--

--

Not Used

20

GRY

397

Cruise On/Off Signal

21

GRY/BLK

87

Cruise Resume/Accel Signal

22

PPL

486

TP Sensor 2 Signal

23

GRY

597

5V Reference

24

BLK

476

TP Sensor 2 Ground

Vehicle Speed Sensor Connector C2


Object Number: 518983  Size: CH

Connector Part Information

    • 1216-2195
    • 2 Way F Metri-pack 150.2 Series Sealed P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Vehicle Speed Sensor (VSS) Signal - Low

B

YEL

400

Vehicle Speed Sensor (VSS) Signal - High 5V Reference