GM Service Manual Online
For 1990-2009 cars only
Connector 1: Accelerator Pedal Position (APP) Sensor
Connector 2: Brake Booster Vacuum Sensor
Connector 3: Camshaft Position (CMP) Sensor
Connector 4: Crankshaft Position (CKP) Sensor
Connector 5: Engine Coolant Temperature (ECT) Sensor
Connector 6: Evaporative Emission (EVAP) Canister Purge Solenoid Valve
Connector 7: Evaporative Emission (EVAP) Canister Vent Solenoid
Connector 8: Fuel Injector 1
Connector 9: Fuel Injector 2
Connector 10: Fuel Injector 3
Connector 11: Fuel Injector 4
Connector 12: Fuel Injector 5
Connector 13: Fuel Injector 6
Connector 14: Fuel Injector 7
Connector 15: Fuel Injector 8
Connector 16: Fuel Pump and Sender Assembly
Connector 17: Fuel Tank Pressure (FTP) Sensor
Connector 18: Heated Oxygen Sensor (HO2S) 1
Connector 19: Heated Oxygen Sensor (HO2S) 2
Connector 20: Ignition Coil 1
Connector 21: Ignition Coil 2
Connector 22: Ignition Coil 3
Connector 23: Ignition Coil 4
Connector 24: Ignition Coil 5
Connector 25: Ignition Coil 6
Connector 26: Ignition Coil 7
Connector 27: Ignition Coil 8
Connector 28: Knock Sensor (KS) Bank 1
Connector 29: Knock Sensor (KS) Bank 2
Connector 30: Manifold Absolute Pressure (MAP) Sensor
Connector 31: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Connector 32: Throttle Body
Connector 33: Valve Lifter Oil Manifold (VLOM) Assembly

Accelerator Pedal Position (APP) Sensor


Object Number: 632357  Size: CH

Connector Part Information

  • OEM: 15326829
  • Service: 88953153
  • Description: 6-Way F Metri-Pack 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Accelerator Pedal Position (APP) Sensor

Pin

Wire Color

Circuit No.

Function

A

PU

1272

Low Reference

B

L-BU

1162

APP Sensor 2 Signal

C

TN

1274

5-Volt Reference 1

D

BN

1271

Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

5-Volt Reference 2

Brake Booster Vacuum Sensor


Object Number: 1468512  Size: CH

Connector Part Information

  • OEM: 15448870
  • Service: 88988602
  • Description: 3-Way F GT 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 7116-4102-08/9
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094430/J-35616-2A (GY)

Brake Booster Vacuum Sensor

Pin

Wire Color

Circuit No.

Function

1

OG

6030

Brake Booster Vacuum Signal

2

YE/BK

6032

Low Reference

3

GY

6031

5-Volt Reference 2

Camshaft Position (CMP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

  • OEM: 12059595
  • Service: 88986451
  • Description: 3-Way F Metri-Pack 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Camshaft Position (CMP) Sensor

Pin

Wire Color

Circuit No.

Function

A

OG

631

5-Volt Reference 1

B

PK/BK

632

Low Reference

C

BN/WH

633

CMP Sensor Signal

Crankshaft Position (CKP) Sensor


Object Number: 366117  Size: CH

Connector Part Information

  • OEM: 15324165
  • Service: 15306120
  • Description: 3-Way F Metri-Pack 150 Series (WH)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Crankshaft Position (CKP) Sensor

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

1869

CKP Sensor Signal

B

YE/BK

1868

Low Reference

C

L-GN

1867

5-Volt Reference 2

Engine Coolant Temperature (ECT) Sensor


Object Number: 1538760  Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987993
  • Description: 2-Way F GT 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Engine Coolant Temperature (ECT) Sensor

Pin

Wire Color

Circuit No.

Function

A

TN

2761

Low Reference

B

YE

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid Valve


Object Number: 684795  Size: CH

Connector Part Information

  • OEM: 12052643
  • Service: 12101858
  • Description: 2-Way F Metri-Pack 150 Series, Sealed (RD)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Evaporative Emission (EVAP) Canister Purge Solenoid Valve

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5293

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


Object Number: 684829  Size: CH

Connector Part Information

  • OEM: 12124037
  • Service: 12101858
  • Description: 2-Way F Metri-Pack 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Evaporative Emission (EVAP) Canister Vent Solenoid

Pin

Wire Color

Circuit No.

Function

A

RD/WH

2840

Battery Positive Voltage

B

WH

1310

EVAP Canister Vent Solenoid Control

Fuel Injector 1


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A - 2/A
  • Core/Insulation Crimp: Pins B - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuel Injector 1

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

TN

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A - 2/A
  • Core/Insulation Crimp: Pins B - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuel Injector 2

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A - 2/A
  • Core/Insulation Crimp: Pins B - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuel Injector 3

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A - 2/A
  • Core/Insulation Crimp: Pins B - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuel Injector 4

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A - 2/A
  • Core/Insulation Crimp: Pins B - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuel Injector 5

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

TN/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A - 2/A
  • Core/Insulation Crimp: Pins B - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuel Injector 6

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Injector 7


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A - 2/A
  • Core/Insulation Crimp: Pins B - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuel Injector 7

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5291

Ignition 1 Voltage

B

OG/BK

877

Fuel Injector 7 Control

Fuel Injector 8


Object Number: 1527729  Size: CH

Connector Part Information

  • OEM: 15419715
  • Service: 88988313
  • Description: 2-Way F GT 150 Series, Sealed (GY)

Terminal Part Information

  • Pins: A, B
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: Pins A - 2/A
  • Core/Insulation Crimp: Pins B - E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Fuel Injector 8

Pin

Wire Color

Circuit No.

Function

A

PK/BK

5292

Ignition 1 Voltage

B

D-BU/WH

878

Fuel Injector 8 Control

Fuel Pump and Sender Assembly


Object Number: 684908  Size: CH

Connector Part Information

  • OEM: 15326631
  • Service: 15306360
  • Description: 4-Way F GT 280 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15304719/19
  • Core/Insulation Crimp: Pins A, D - E/5
  • Core/Insulation Crimp: Pins B, C - 2/5
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Fuel Pump and Sender Assembly

Pin

Wire Color

Circuit No.

Function

A

BK

750

Ground

B

PU

30

Fuel Level Sensor Signal

C

BK/WH

510

Low Reference

D

GY

120

Fuel Pump Supply Voltage

Fuel Tank Pressure (FTP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

  • OEM: 12059595
  • Service: 88986451
  • Description: 3-Way F Metri-Pack 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12048074/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

Fuel Tank Pressure (FTP) Sensor

Pin

Wire Color

Circuit No.

Function

A

OG/BK

459

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY/BK

416

5-Volt Reference 1

Heated Oxygen Sensor (HO2S) 1


Object Number: 280761  Size: CH

Connector Part Information

  • OEM: 12160825
  • Service: 15305801
  • Description: 4-Way M Metri-Pack 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12045773/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Heated Oxygen Sensor (HO2S) 1

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal Sensor 1

B

PU/WH

1665

HO2S High Signal Sensor 1

C

GY/WH

3113

HO2S Heater Low Control Sensor 1

D

PK/BK

5293

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) 2


Object Number: 806613  Size: CH

Connector Part Information

  • OEM: 15326423
  • Service: 88988140
  • Description: 4-Way M Metri-Pack 150 Series, Sealed (GY)

Terminal Part Information

  • Terminal/Tray: 12045773/2
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12094429/J-35616-3 (GY)

Heated Oxygen Sensor (HO2S) 2

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal Sensor 2

B

PU/WH

1668

HO2S High Signal Sensor 2

C

BN

2391

HO2S Heater Low Control Sensor 2

D

PK/BK

5293

Ignition 1 Voltage

Ignition Coil 1


Object Number: 1581641  Size: CH

Connector Part Information

  • OEM: 15439568
  • Service: 88987184
  • Description: 4-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: Pins A, D - E/1
  • Core/Insulation Crimp: Pins B, C - E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Ignition Coil 1

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 1 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 2


Object Number: 1581641  Size: CH

Connector Part Information

  • OEM: 15439568
  • Service: 88987184
  • Description: 4-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: Pins A, D - E/1
  • Core/Insulation Crimp: Pins B, C - E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Ignition Coil 2

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 2 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 3


Object Number: 1581641  Size: CH

Connector Part Information

  • OEM: 15439568
  • Service: 88987184
  • Description: 4-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: Pins A, D - E/1
  • Core/Insulation Crimp: Pins B, C - E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Ignition Coil 3

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 3 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 4


Object Number: 1581641  Size: CH

Connector Part Information

  • OEM: 15439568
  • Service: 88987184
  • Description: 4-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: Pins A, D - E/1
  • Core/Insulation Crimp: Pins B, C - E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Ignition Coil 4

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 4 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 5


Object Number: 1581641  Size: CH

Connector Part Information

  • OEM: 15439568
  • Service: 88987184
  • Description: 4-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: Pins A, D - E/1
  • Core/Insulation Crimp: Pins B, C - E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Ignition Coil 5

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 5 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 6


Object Number: 1581641  Size: CH

Connector Part Information

  • OEM: 15439568
  • Service: 88987184
  • Description: 4-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: Pins A, D - E/1
  • Core/Insulation Crimp: Pins B, C - E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Ignition Coil 6

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 6 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 7


Object Number: 1581641  Size: CH

Connector Part Information

  • OEM: 15439568
  • Service: 88987184
  • Description: 4-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: Pins A, D - E/1
  • Core/Insulation Crimp: Pins B, C - E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Ignition Coil 7

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 7 Control

D

PK

39

Ignition 1 Voltage

Ignition Coil 8


Object Number: 1581641  Size: CH

Connector Part Information

  • OEM: 15439568
  • Service: 88987184
  • Description: 4-Way F GT 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 15326267/19
  • Core/Insulation Crimp: Pins A, D - E/1
  • Core/Insulation Crimp: Pins B, C - E/4
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Ignition Coil 8

Pin

Wire Color

Circuit No.

Function

A

BK

151

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 8 Control

D

PK

39

Ignition 1 Voltage

Knock Sensor (KS) Bank 1


Object Number: 1232999  Size: CH

Connector Part Information

  • OEM: 15374222
  • Service: 88953268
  • Description: 2-Way F GT 150 Series, Sealed (WH)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Knock Sensor (KS) Bank 1

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

KS 1 Signal

B

GY

1716

KS 1 Signal

Knock Sensor (KS) Bank 2


Object Number: 1232999  Size: CH

Connector Part Information

  • OEM: 15374222
  • Service: Service by Harness - See Part Catalog
  • Description: 2-Way F GT 150 Series, Sealed (WH)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Knock Sensor (KS) Bank 2

Pin

Wire Color

Circuit No.

Function

A

L-BU

1876

KS 2 Signal

B

GY

2303

KS 2 Signal

Manifold Absolute Pressure (MAP) Sensor


Object Number: 1331443  Size: CH

Connector Part Information

  • OEM: 15365614
  • Service: 88988583
  • Description: 3-Way F Kompakt 2.8 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 1928498056/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-561/J-35616-35 (VT)

Manifold Absolute Pressure (MAP) Sensor

Pin

Wire Color

Circuit No.

Function

1

GY

2704

5-Volt Reference 1

2

OG/BK

469

Low Reference

3

L-GN

432

MAP Sensor Signal

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


Object Number: 647974  Size: CH

Connector Part Information

  • OEM: 15326822
  • Service: 88987186
  • Description: 5-Way F GT 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

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

Pin

Wire Color

Circuit No.

Function

A

YE

492

MAF Sensor Signal

B

PK/BK

5294

Ignition 1 Voltage

C

BK/WH

451

Ground

D

TN/BK

472

IAT Sensor Signal

E

TN

2760

Low Reference

Throttle Body


Object Number: 831368  Size: CH

Connector Part Information

  • OEM: 15326836
  • Service: 88986255
  • Description: 8-Way F GT 150 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Throttle Body

Pin

Wire Color

Circuit No.

Function

A

D-GN

485

TP Sensor 1 Signal

B

L-BU

6295

5-Volt Reference 2

C

TN

2752

Low Reference

D

PU

486

TP Sensor 2 Signal

E

YE

581

TAC Motor Control - 1

F

BN

582

TAC Motor Control - 2

G

GY

2701

5-Volt Reference 2

H

L-BU/BK

6297

Low Reference

Valve Lifter Oil Manifold (VLOM) Assembly


Object Number: 684863  Size: CH

Connector Part Information

  • OEM: 12186057
  • Service: 15306027
  • Description: 5-Way F Metri-Pack 150.2 Series, Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12124075/5
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-2A (GY)

Valve Lifter Oil Manifold (VLOM) Assembly

Pin

Wire Color

Circuit No.

Function

A

OG

5494

Cylinder 4 Shutoff Solenoid Control

B

TN

5496

Cylinder 6 Shutoff Solenoid Control

C

D-BU

5491

Cylinder 1 Shutoff Solenoid Control

D

WH

5497

Cylinder 7 Shutoff Solenoid Control

E

PK/BK

5294

Ignition 1 Voltage