GM Service Manual Online
For 1990-2009 cars only
Connector 1: Accelerator Pedal Position (APP) Sensor
Connector 2: Camshaft Position (CMP) Sensor
Connector 3: Crankshaft Position (CKP) Sensor
Connector 4: Engine Coolant Temperature (ECT) Sensor
Connector 5: Engine Oil Pressure (EOP) Sensor
Connector 6: Fuel Injector 1
Connector 7: Fuel Injector 2
Connector 8: Fuel Injector 3
Connector 9: Fuel Injector 4
Connector 10: Fuel Injector 5
Connector 11: Fuel Injector 6
Connector 12: Fuel Injector 7
Connector 13: Fuel Injector 8
Connector 14: Generator
Connector 15: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Connector 16: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Connector 17: Ignition Coil/Module 1
Connector 18: Ignition Coil/Module 2
Connector 19: Ignition Coil/Module 3
Connector 20: Ignition Coil/Module 4
Connector 21: Ignition Coil/Module 5
Connector 22: Ignition Coil/Module 6
Connector 23: Ignition Coil/Module 7
Connector 24: Ignition Coil/Module 8
Connector 25: Knock Sensor (KS) 1
Connector 26: Knock Sensor (KS) 2
Connector 27: Manifold Absolute Pressure (MAP) Sensor
Connector 28: Mass Air Flow (MAF) Sensor
Connector 29: Throttle Body
Connector 30: Vehicle Speed (VSS) Sensor

Accelerator Pedal Position (APP) Sensor


Object Number: 632357  Size: CH

Connector Part Information

  • OEM: 15326829
  • Service: 88953153
  • Description: 6-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)

Accelerator Pedal Position (APP) Sensor

Pin

Wire Color

Circuit No.

Function

A

PU

1272

APP Sensor 2 Low Reference

B

L-BU

1162

APP Sensor 2 Signal

C

TN

1274

APP Sensor 2 5-Volt Reference

D

BN

1271

APP Sensor 1 Low Reference

E

D-BU

1161

APP Sensor 1 Signal

F

WH/BK

1164

APP Sensor 1 5-Volt Reference

Camshaft Position (CMP) Sensor


Object Number: 684807  Size: CH

Connector Part Information

  • OEM: 12110293
  • Service: 12117025
  • 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

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: 12129946
  • Service: 88987997
  • Description: 3-Way F Metri-Pack 150 Series (MD GY)

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

Engine Coolant Temperature (ECT) Sensor


Object Number: 1538760  Size: CH

Connector Part Information

  • OEM: 15336024
  • Service: 88987993
  • Description: 2-Way F GT 150 Series Sealed (L-GY)

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

Engine Oil Pressure (EOP) Sensor


Object Number: 258299  Size: CH

Connector Part Information

  • OEM: 12065287
  • Service: 12102748
  • Description: 3-Way F Metric-Pack 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 12103881/2
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12180559-1/J-35616-2A (GY)

Engine Oil Pressure (EOP) Sensor

Pin

Wire Color

Circuit No.

Function

A

BK

2755

Low Reference

B

GY

2705

5-Volt Reference

C

TN/WH

331

Oil Pressure Sensor Signal

Fuel Injector 1


Object Number: 603098  Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 1

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5291

Ignition 1 Voltage

2

TN

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 603098  Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 2

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5292

Ignition 1 Voltage

2

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 603098  Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 3

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5291

Ignition 1 Voltage

2

L-BU/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 603098  Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 4

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5292

Ignition 1 Voltage

2

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 603098  Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 5

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5291

Ignition 1 Voltage

2

TN/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 603098  Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 6

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5292

Ignition 1 Voltage

2

YE/BK

846

Fuel Injector 6 Control

Fuel Injector 7


Object Number: 603098  Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 7

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5291

Ignition 1 Voltage

2

OG/BK

877

Fuel Injector 7 Control

Fuel Injector 8


Object Number: 603098  Size: CH

Connector Part Information

  • OEM: 15305086
  • Service: 15306318
  • Description: 2-Way F Metri-Pack Series Sealed (GY)

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Fuel Injector 8

Pin

Wire Color

Circuit No.

Function

1

PK/BK

5292

Ignition 1 Voltage

2

D-BU/WH

878

Fuel Injector 8 Control

Generator


Object Number: 697046  Size: CH

Connector Part Information

  • OEM: 12186568
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

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

Generator

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

BN

225

Generator L Signal

C

--

--

Not Used

D

--

--

Not Used

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1


Object Number: 874937  Size: CH

Connector Part Information

  • OEM: 12146047
  • Service: 12146047
  • Description: 5-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)

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Heater Low Signal- Bank 1 Sensor 1

B

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

C

--

--

Not Used

D

PK/BK

5293

Ignition - 1 Voltage

E

GY/WH

3113

HO2S Heater Low Control - Bank 1 Sensor 1

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1


Object Number: 874937  Size: CH

Connector Part Information

  • OEM: 12146047
  • Service: 12146047
  • Description: 5-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)

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1

Pin

Wire Color

Circuit No.

Function

A

TN

1667

HO2S Low Signal - Bank 2 Sensor 1

B

PU

1666

HO2S High Signal - Bank 2 Sensor 1

C

--

--

Not Used

D

PK/BK

5293

Ignition 1 Voltage

E

D-GN

3212

HO2S Heater Low Control - Bank 2 Sensor 1

Ignition Coil/Module 1


Object Number: 1581641  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Coil/Module 1

Pin

Wire Color

Circuit No.

Function

A

BK

1451

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 1 Control

D

PK

5291

Ignition 1 Voltage

Ignition Coil/Module 2


Object Number: 1581641  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Coil/Module 2

Pin

Wire Color

Circuit No.

Function

A

BK

1551

Ground

B

BN/WH

2130

Low Reference

C

RD/WH

2122

IC 2 Control

D

PK

5292

Ignition 1 Voltage

Ignition Coil/Module 3


Object Number: 1581641  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Coil/Module 3

Pin

Wire Color

Circuit No.

Function

A

BK

1451

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 3 Control

D

PK

5291

Ignition 1 Voltage

Ignition Coil/Module 4


Object Number: 1581641  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Coil/Module 4

Pin

Wire Color

Circuit No.

Function

A

BK

1551

Ground

B

BN

2130

Low Reference

C

D-GN/WH

2124

IC 4 Control

D

PK

5292

Ignition 1 Voltage

Ignition Coil/Module 5


Object Number: 1581641  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Coil/Module 5

Pin

Wire Color

Circuit No.

Function

A

BK

1451

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 5 Control

D

PK

5291

Ignition 1 Voltage

Ignition Coil/Module 6


Object Number: 1581641  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Coil/Module 6

Pin

Wire Color

Circuit No.

Function

A

BK

1551

Ground

B

BN

2130

Low Reference

C

L-BU/WH

2126

IC 6 Control

D

PK

5292

Ignition 1 Voltage

Ignition Coil/Module 7


Object Number: 1581641  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Coil/Module 7

Pin

Wire Color

Circuit No.

Function

A

BK

1451

Ground

B

BN

2129

Low Reference

C

OG

2127

IC 7 Control

D

PK

5291

Ignition 1 Voltage

Ignition Coil/Module 8


Object Number: 1581641  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Ignition Coil/Module 8

Pin

Wire Color

Circuit No.

Function

A

BK

1551

Ground

B

BN

2130

Low Reference

C

PU/WH

2128

IC 8 Control

D

PK

5292

Ignition 1 Voltage

Knock Sensor (KS) 1


Object Number: 1232999  Size: CH

Connector Part Information

  • OEM: 15374222
  • Service: See Catalog
  • Description: 2-Way F 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) 1

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

Knock Sensor 1 Signal

B

GY

1716

Knock Sensor 1 Signal Return

Knock Sensor (KS) 2


Object Number: 1232999  Size: CH

Connector Part Information

  • OEM: 15374222
  • Service: See Catalog
  • Description: 2-Way F 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) 2

Pin

Wire Color

Circuit No.

Function

A

L-BU

1876

Knock Sensor 2 Signal

B

TN

407

Knock Sensor 2 Signal Return

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

  • OEM: 12129946
  • Service: 88987997
  • Description: 3-Way F Metri-Pack 150 Series Sealed (GY)

Terminal Part Information

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

Manifold Absolute Pressure (MAP) Sensor

Pin

Wire Color

Circuit No.

Function

A

OG/BK

469

Low Reference

B

L-GN

432

MAP Sensor Signal

C

GY

2704

5-Volt Reference

Mass Air Flow (MAF) Sensor


Object Number: 647974  Size: CH

Connector Part Information

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

Terminal Part Information

  • Terminal/Tray: 15326267/8
  • Core/Insulation Crimp: Pins A, C, D, E - E/A
  • Core/Insulation Crimp: Pins B,- 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Mass Air Flow (MAF) Sensor

Pin

Wire Color

Circuit No.

Function

A

YE

492

MAF Sensor Signal

B

PK

739

Ignition 1 Voltage

C

BK/WH

751

Ground

D

TN

552

Low Reference

E

TN

472

IAT Sensor Signal

Throttle Body


Object Number: 1468494  Size: CH

Connector Part Information

  • OEM: 15355297
  • Service: 88988106
  • Description: 6-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

YE

581

TAC Motor Control - 1

B

BN

582

TAC Motor Control - 2

C

TN/WH

1704

Low Reference

D

D-GN

485

TP Sensor 1 Signal

E

L-BU/BK

1688

5-Volt Reference

F

PU

486

TP Sensor 2 Signal

Vehicle Speed (VSS) Sensor


Object Number: 655692  Size: CH

Connector Part Information

  • OEM: 15336024
  • Service: 88987978
  • Description:2-Way F GT 150 Series Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 15305130
  • Core/Insulation Crimp: C
  • Release Tool/Test Probe:See Terminal Repair Kit

Vehicle Speed (VSS) Sensor

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

822

VSS Low Signal

2

PU/WHWH

821

VSS High Signal