GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 1999 🢒 Grand Am 🢒 Body and Accessories 🢒 Cruise Control 🢒 Engine Controls Connector End Views
Table 1: Camshaft Position (CMP) Sensor
Table 2: Crankshaft Position (CKP) Sensor
Table 3: Engine Coolant Temperature (ECT) Sensor
Table 4: Engine Oil Pressure Sensor
Table 5: Evaporative Emission (EVAP) Canister Purge Valve
Table 6: Evaporative Emission (EVAP) Canister Vent Solenoid
Table 7: Exhaust Gas Recirculation (EGR) Valve (98 LD9 Only)
Table 8: Ignition Control Module
Table 9: Fuel Injectors (98 LD9 Only)
Table 10: Fuel Injectors (99 LD9 Only)
Table 11: Fuel Tank Pressure Sensor
Table 12: Fuel Tank Module
Table 13: Pre Converter Oxygen Sensor (O2S1) (98 LD9 Only)
Table 14: Pre Converter Oxygen Sensor (O2S1) (99 LD9 Only)
Table 15: Post Converter Heated Oxygen Sensor (HO2S 2)
Table 16: Idle Air Control (IAC) Valve
Table 17: Intake Air Temperature (IAT) Sensor
Table 18: Knock Sensor (98 LD9 Only)
Table 19: Knock Sensor (99 LD9 Only)
Table 20: Manifold Absolute Pressure (MAP) Sensor
Table 21: Throttle Position (TP) Sensor
Table 22: Park/Neutral Position Switch C1
Table 23: Park/Neutral Position Switch C2
Table 24: Vehicle Speed Sensor (VSS)

Camshaft Position (CMP) Sensor


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    • 3-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

BRN/WHT

633

Camshaft Position (CMP) Sensor Signal

B

PNK/BLK

632

Camshaft Position Sensor Return

C

RED

631

Camshaft Sensor Feed (12 Volt Reference)

Crankshaft Position (CKP) Sensor


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

574

Crankshaft Position Sensor Return

B

YEL

573

Crankshaft Position Sensor Signal

Engine Coolant Temperature (ECT) Sensor


Object Number: 68719 Size: CH

Connector Part Information
    • 12162195
    •  2-Way F Metri-Pack 150.2 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

2761

Sensor Return

B

YEL

410

Coolant Temperature Sensor Signal

Engine Oil Pressure Sensor


Object Number: 236480 Size: CH

Connector Part Information
    • 12065299
    • 1-Way F Metri-Pack 150 Series Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN/BLK

231

Oil Pressure Switch Signal

Evaporative Emission (EVAP) Canister Purge Valve


Object Number: 35437 Size: CH

Connector Part Information
    • 12052643
    • 2-Way F Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Fuse Output-Ignition 3

B

DK GRN/WHT

428

Canister Purge Solenoid Output

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 35437 Size: CH

Connector Part Information
    • 12059863
    • 2-Way F Metri-Pack 150 Series Sealed (BRN)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Fuse Output-Ignition 3

B

WHT

1310

Canister Vent Valve Solenoid Output

Exhaust Gas Recirculation (EGR) Valve (98 LD9 Only)


Object Number: 39687 Size: CH

Connector Part Information
    • 12186056
    •  5-Way F Metri-Pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

451

Engine Control Module Ground

B

BLK

2753

Exhaust Gas Recirculation (EGR) Sensor Return

C

BRN

1456

Exhaust Gas Recirculation (EGR) Solenoid Position Signal

D

BRN/WHT

2702

Exhaust Gas Recirculation (EGR) 5V Reference

E

RED

1676

Exhaust Gas Recirculation (EGR) Valve Solenoid Feed

Ignition Control Module


Object Number: 295472 Size: CH

Connector Part Information
    • 12162838
    • 11-Way F Metri-pack 150.2 Series Pull to Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

423

Electronic Spark Timing Control Signal

B

ORN

406

Electronic Spark Timing Control Signal B

C-E

--

--

Not Used

F

YEL

573

Crankshaft Position Sensor Signal

G

PPL/WHT

430

Electronic Spark Timing High Reference Signal

H

RED/BLK

453

Electronic Spark Timing Low Reference Signal

J

PPL

574

Crankshaft Position Sensor Return

K

BLK

450

Ground

L

PNK

239

Fuse Output, Ignition 1

Fuel Injectors (98 LD9 Only)


Object Number: 258295 Size: CH

Connector Part Information
    • 12129140
    • 2-Way F Micro-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

Injector 1

A

GRY

120

Fuel Pump Motor Feed

B

BLK

1744

Fuel Injector #1Output

Injector 2

A

GRY

120

Fuel Pump Motor Feed

B

LT GRN/BLK

1745

Fuel Injector #2 Output

Injector 3

A

GRY

120

Fuel Pump Motor Feed

B

PNK/BLK

1746

Fuel Injector #3 Output

Injector 4

A

GRY

120

Fuel Pump Motor Feed

B

LT BLU/BLK

844

Fuel Injector #4Output

Fuel Injectors (99 LD9 Only)


Object Number: 334635 Size: CH

Connector Part Information
    • 15326179
    • 2-Way F Micro-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

Injector 1

A

GRY

120

Fuel Pump Motor Feed

B

BLK

1744

Fuel Injector #1Output

Injector 2

A

GRY

120

Fuel Pump Motor Feed

B

LT GRN/BLK

1745

Fuel Injector #2 Output

Injector 3

A

GRY

120

Fuel Pump Motor Feed

B

PNK/BLK

1746

Fuel Injector #3Output

Injector 4

A

GRY

120

Fuel Pump Motor Feed

B

LT BLU/BLK

844

Fuel Injector #4Output

Fuel Tank Pressure Sensor


Object Number: 62453 Size: CH

Connector Part Information
    • 12059595
    •  3-Way F Metri-Pack 150 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2759

MAP Sensor Return

B

DK GRN

890

Fuel Tank Pressure Sensor Signal

C

GRY

2709

5V Sensor Reference

Fuel Tank Module


Object Number: 258300 Size: CH

Connector Part Information
    • 12160482
    • 4-Way F Metri-Pack 150 Series Sealed (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/WHT

2759

Fuel Gauge Sensor Ground

Pre Converter Oxygen Sensor (O2S1) (98 LD9 Only)


Object Number: 287976 Size: CH

Connector Part Information
    • 12015791
    • 1-Way Weather Pack (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

412

Oxygen Sensor Signal

Pre Converter Oxygen Sensor (O2S1) (99 LD9 Only)


Object Number: 95827 Size: CF

Connector Part Information
    • 12065172
    • 1-Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

412

Oxygen Sensor Signal

Post Converter Heated Oxygen Sensor (HO2S 2)


Object Number: 280761 Size: CH

Connector Part Information
    • 12160825
    • 4-Way M Metri-pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

1669

Oxygen Sensor Return-Left (Rear of Catalytic Converter)

B

PPL/WHT

1668

Oxygen Sensor Signal-Left (Rear of Catalytic Converter)

C

BLK

250

Ground

D

BRN

241

Fuse Output, Ignition 3

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

Idle Air Control (IAC) Valve Motor Feed-Coil B Low

B

LT GRN/WHT

1749

Idle Air Control (IAC) Valve Motor Feed-Coil B High

C

LT BLU/BLK

1748

Idle Air Control (IAC) Valve Motor Feed-Coil A Low

D

LT BLU/WHT

1747

Idle Air Control (IAC) Valve Motor Feed-Coil A High

Intake Air Temperature (IAT) Sensor


Object Number: 68719 Size: CH

Connector Part Information
    • 12162199
    • 2-Way F Metri-Pack 150.2 Series Pull to Seat (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

2760

Sensor Return

B

TAN

472

Manifold Absolute Temperature Sensor Signal

Knock Sensor (98 LD9 Only)


Object Number: 95764 Size: CH

Connector Part Information
    • 12176800
    • 1-Way F Metri-Pack 150 Series Sealed (GRAY)

Pin

Wire Color

Circuit No.

Function

1

DK BLU

496

Knock Sensor Signal #1

Knock Sensor (99 LD9 Only)


Object Number: 258847 Size: CH

Connector Part Information
    • 12077900
    • 2-Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU

496

Knock Sensor Signal #1

B

GRY

1716

Knock Sensor Signal Return

Manifold Absolute Pressure (MAP) Sensor


Object Number: 68740 Size: CH

Connector Part Information
    • 12129946
    • 3-Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

ORN/BLK

469

Manifold Absolute Pressure (MAP) Sensor Return

B

LT GRN

432

Manifold Absolute Pressure (MAP) Sensor Signal

C

BRN

2704

Manifold Absolute Pressure (MAP) Sensor 5V Reference

Throttle Position (TP) Sensor


Object Number: 62485 Size: CH

Connector Part Information
    • 12110192
    • 3-Way F Metri-Pack 150 Series Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

2701

Throttle Position (TP) Sensor 5V Reference

B

BLK

2752

Throttle Position Sensor Return

C

DK BLU

417

Throttle Position Sensor Signal

Park/Neutral Position Switch C1


Object Number: 68780 Size: CH

Connector Part Information
    • 12129840
    • 7-Way F Metri-Pack Mixed Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

YEL

1737

Transaxle Mounted Neutral Safety Switch Output-Park/Neutral

B

PNK

539

Fuse Output, Ignition 1

C

LT GRN

275

Transaxle Mounted Neutral Safety Switch Output-Park

D

BLKWHT

451

Engine Control Module Ground

E

PPL

6

Starter Solenoid Feed

F

LT GRN

24

Backup Lamp Feed

G

YEL

5

Ignition Switch Output-Crank

Park/Neutral Position Switch C2


Object Number: 40412 Size: CH

Connector Part Information
    • 12191757
    • 4-Way F Metri-Pack 150 Series Sealed (Natural)

Pin

Wire Color

Circuit No.

Function

A

WHT

776

Transmission Position Switch Signal-Parity Bit

B

YEL

772

Transmission Position Switch Signal-Bit 2

C

GRY

773

Transmission Position Switch Signal-Bit 3

D

BLK/WHT

771

Transmission Position Switch Signal-Bit 1

Vehicle Speed Sensor (VSS)


Object Number: 62471 Size: CH

Connector Part Information
    • 12162195
    • 2-Way F Metri-Pack 150.2 Series Pull to Seat Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

401

Vehicle Speed Sensor (VSS) Return

B

YEL

400

Vehicle Speed Sensor (VSS) Signal