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: Evaporative Emission (EVAP) Canister Purge Solenoid
Connector 6: Evaporative Emission (EVAP) Canister Vent Solenoid
Connector 7: Fuel Injector 1
Connector 8: Fuel Injector 2
Connector 9: Fuel Injector 3
Connector 10: Fuel Injector 4
Connector 11: Fuel Injector 5
Connector 12: Fuel Injector 6
Connector 13: Fuel Injector 7
Connector 14: Fuel Injector 8
Connector 15: Fuel Pump and Sender Assembly
Connector 16: Fuel Tank Pressure (FTP) Sensor
Connector 17: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
Connector 18: Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2
Connector 19: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
Connector 20: Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2
Connector 21: Ignition Coil #1
Connector 22: Ignition Coil #2
Connector 23: Ignition Coil #3
Connector 24: Ignition Coil #4
Connector 25: Ignition Coil #5
Connector 26: Ignition Coil #6
Connector 27: Ignition Coil #7
Connector 28: Ignition Coil #8
Connector 29: Intake Air Temperature (IAT)/Mass Air Flow (MAF) Sensor
Connector 30: Knock Sensor (KS) 1
Connector 31: Knock Sensor (KS) 2
Connector 32: Manifold Absolute Pressure (MAP) Sensor
Connector 33: Throttle Actuator Control (TAC) Assembly
Connector 34: Throttle Actuator Control (TAC) Module C1
Connector 35: Throttle Actuator Control (TAC) Module C2
Connector 36: Vehicle Speed Sensor (VSS)

Accelerator Pedal Position (APP) Sensor


Object Number: 366097  Size: CH

Connector Part Information

  • OEM: 15318071
  • Service: 15306119
  • Description: 10-Way F Metri-Pack 150 Series (GY)

Accelerator Pedal Position (APP) Sensor

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PU

1272

Low Reference

C

L-BU

1162

APP Sensor 2 Signal

D

TN

1274

5-Volt Reference

E

BN

1271

Low Reference

F

D-BU

1161

APP Sensor 1 Signal

G

WH/BK

1164

5-Volt Reference

H-K

--

--

Not Used

Camshaft Position (CMP) Sensor


Object Number: 516611  Size: CH

Connector Part Information

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

BN/WH

633

CMP Sensor Signal

B

PK/BK

632

Low Reference

C

RD

631

12-Volt Reference

Crankshaft Position (CKP) Sensor


Object Number: 366117  Size: CH

Connector Part Information

  • OEM: 15324165
  • Service: See Catalog
  • 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

12-Volt Reference

Engine Coolant Temperature (ECT) Sensor


Object Number: 900247  Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987978
  • 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

GY

720

Low Reference

B

YE

410

ECT Sensor Signal

Evaporative Emission (EVAP) Canister Purge Solenoid


Object Number: 684795  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 Purge Solenoid

Pin

Wire Color

Circuit No.

Function

A

PK

439

Ignition 1 Voltage

B

D-GN/WH

428

EVAP Canister Purge Solenoid Control

Evaporative Emission (EVAP) Canister Vent Solenoid


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 Vent Solenoid

Pin

Wire Color

Circuit No.

Function

A

WH

1310

EVAP Canister Vent Solenoid Control

B

OG

2640

Battery Positive Voltage

Fuel Injector 1


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15411634
  • Service: 15306160
  • Description: 2-Way F Micro-Pack 064 Series (GY)

Terminal Part Information

  • Terminal/Tray: 15305174/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Fuel Injector 1

Pin

Wire Color

Circuit No.

Function

A

PK

1039

Ignition 1 Voltage

B

BK

1744

Fuel Injector 1 Control

Fuel Injector 2


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15411634
  • Service: 15306160
  • Description: 2-Way F Micro-Pack 064 Series (GY)

Terminal Part Information

  • Terminal/Tray: 15305174/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Fuel Injector 2

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

L-GN/BK

1745

Fuel Injector 2 Control

Fuel Injector 3


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15411634
  • Service: 15306160
  • Description: 2-Way F Micro-Pack 064 Series (GY)

Terminal Part Information

  • Terminal/Tray: 15305174/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Fuel Injector 3

Pin

Wire Color

Circuit No.

Function

A

PK

1039

Ignition 1 Voltage

B

PK/BK

1746

Fuel Injector 3 Control

Fuel Injector 4


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15411634
  • Service: 15306160
  • Description: 2-Way F Micro-Pack 064 Series (GY)

Terminal Part Information

  • Terminal/Tray: 15305174/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Fuel Injector 4

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

L-BU/BK

844

Fuel Injector 4 Control

Fuel Injector 5


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15411634
  • Service: 15306160
  • Description: 2-Way F Micro-Pack 064 Series (GY)

Terminal Part Information

  • Terminal/Tray: 15305174/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Fuel Injector 5

Pin

Wire Color

Circuit No.

Function

A

PK

1039

Ignition 1 Voltage

B

BK/WH

845

Fuel Injector 5 Control

Fuel Injector 6


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15411634
  • Service: 15306160
  • Description: 2-Way F Micro-Pack 064 Series (GY)

Terminal Part Information

  • Terminal/Tray: 15305174/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Fuel Injector 6

Pin

Wire Color

Circuit No.

Function

A

PK

1239

Ignition 1 Voltage

B

YE/BK

846

Fuel Injector 6 Control

Fuel Injector 7


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15411634
  • Service: 15306160
  • Description: 2-Way F Micro-Pack 064 Series (GY)

Terminal Part Information

  • Terminal/Tray: 15305174/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Fuel Injector 7

Pin

Wire Color

Circuit No.

Function

A

PK

1039

Ignition 1 Voltage

B

RD/BK

877

Fuel Injector 7 Control

Fuel Injector 8


Object Number: 366123  Size: CH

Connector Part Information

  • OEM: 15411634
  • Service: 15306160
  • Description: 2-Way F Micro-Pack 064 Series (GY)

Terminal Part Information

  • Terminal/Tray: 15305174/8
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 12180559-1/J-35616-64B (L-BU)

Fuel Injector 8

Pin

Wire Color

Circuit No.

Function

A

PK

1239

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 Sealed 5.8 (BK)

Fuel Pump and Sender Assembly

Pin

Wire Color

Circuit No.

Function

A

BK

2150

Ground

B

PU/WH

1589

Fuel Level Sensor Signal

C

BK

470

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 (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

BK

470

Low Reference

B

D-GN

890

Fuel Tank Pressure Sensor Signal

C

GY

474

5-Volt Reference

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 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) Bank 1 Sensor 1

Pin

Wire Color

Circuit No.

Function

A

TN

1664

HO2S Low Signal - Bank 1 Sensor 1

B

PU/WH

1665

HO2S High Signal - Bank 1 Sensor 1

C

BK/WH

3113

HO2S Heater Low Control - Bank 1 Sensor 1

D

PK

1539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2


Object Number: 518981  Size: CH

Connector Part Information

  • OEM: 12160482
  • Servce: 88988598
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2

Pin

Wire Color

Circuit No.

Function

A

TN/WH

1669

HO2S Low Signal - Bank 1 Sensor 2

B

PU/WH

1668

HO2S High Signal - Bank 1 Sensor 2

C

BN

2391

HO2S Heater Low Control - Bank 1 Sensor 2

D

PK

539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 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) 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

L-GN

3212

HO2S Heater Low Control - Bank 2 Sensor 1

D

PK

1539

Ignition 1 Voltage

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2


Object Number: 518981  Size: CH

Connector Part Information

  • OEM: 12160482
  • Service: 88988598
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Pin

Wire Color

Circuit No.

Function

A

TN

1671

HO2S Low Signal - Bank 2 Sensor 2

B

PU

1670

HO2S High Signal - Bank 2 Sensor 2

C

RD/WH

3223

HO2S Heater Low Control - Bank 2 Sensor 2

D

PK

539

Ignition 1 Voltage

Ignition Coil #1


Object Number: 280765  Size: CH

Connector Part Information

  • OEM: 15413116
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Ignition Coil #1

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BN

2129

Low Reference

C

PU

2121

IC 1 Control

D

PK

1039

Ignition 1 Voltage

Ignition Coil #2


Object Number: 280765  Size: CH

Connector Part Information

  • OEM: 15413116
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Ignition Coil #2

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BN

2130

Low Reference

C

RD

2122

IC 2 Control

D

PK

1239

Ignition 1 Voltage

Ignition Coil #3


Object Number: 280765  Size: CH

Connector Part Information

  • OEM: 15413116
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Ignition Coil #3

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BN

2129

Low Reference

C

L-BU

2123

IC 3 Control

D

PK

1039

Ignition 1 Voltage

Ignition Coil #4


Object Number: 280765  Size: CH

Connector Part Information

  • OEM: 15413116
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Ignition Coil #4

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BN

2130

Low Reference

C

D-GN

2124

IC 4 Control

D

PK

1239

Ignition 1 Voltage

Ignition Coil #5


Object Number: 280765  Size: CH

Connector Part Information

  • OEM: 15413116
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Ignition Coil #5

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BN

2129

Low Reference

C

D-GN

2125

IC 5 Control

D

PK

1039

Ignition 1 Voltage

Ignition Coil #6


Object Number: 280765  Size: CH

Connector Part Information

  • OEM: 15413116
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Ignition Coil #6

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BN

2130

Low Reference

C

L-BU

2126

IC 6 Control

D

PK

1239

Ignition 1 Voltage

Ignition Coil #7


Object Number: 280765  Size: CH

Connector Part Information

  • OEM: 15413116
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Ignition Coil #7

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BN

2129

Low Reference

C

RD

2127

IC 7 Control

D

PK

1039

Ignition 1 Voltage

Ignition Coil #8


Object Number: 280765  Size: CH

Connector Part Information

  • OEM: 15413116
  • Service: See Catalog
  • Description: 4-Way F Metri-Pack 150 Series Sealed (BK)

Ignition Coil #8

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BN

2130

Low Reference

C

PU

2128

IC 8 Control

D

PK

1239

Ignition 1 Voltage

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


Object Number: 366067  Size: CH

Connector Part Information

  • OEM: 15305555
  • Service: 15306113
  • Description: 5-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

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

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

Pin

Wire Color

Circuit No.

Function

A

BK

552

Low Reference

B

TN

472

IAT Sensor Signal

C

BK/WH

451

Ground

D

PK

439

Ignition 1 Voltage

E

YE

492

MAF Sensor Signal

Knock Sensor (KS) 1


Object Number: 35416  Size: CH

Connector Part Information

  • OEM: 13510728
  • Service: See Catalog
  • Description: 1-Way TRW (GY)

Knock Sensor (KS) 1

Pin

Wire Color

Circuit No.

Function

A

D-BU

496

KS 1 Signal

Knock Sensor (KS) 2


Object Number: 35416  Size: CH

Connector Part Information

  • OEM: 13510728
  • Service: See Catalog
  • Description: 1-Way TRW (GY)

Knock Sensor (KS) 2

Pin

Wire Color

Circuit No.

Function

A

L-BU

1876

KS 2 Signal

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 (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

597

5-Volt Reference

Throttle Actuator Control (TAC) Assembly


Object Number: 831368  Size: CH

Connector Part Information

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

Terminal Part Information

  • Pins: A, C
  • Terminal/Tray: 12191819/8
  • Core/Insulation Crimp: E/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)
  • Pins: B, D-H
  • Terminal/Tray: 15326427/5
  • Core/Insulation Crimp: 2/A
  • Release Tool/Test Probe: 15315247/J-35616-2A (GY)

Throttle Actuator Control (TAC) Assembly

Pin

Wire Color

Circuit No.

Function

A

YE

581

TAC Motor Control - 1

B

OG/BK

1057

Low Reference

C

BN

582

TAC Motor Control - 2

D

BK

452

Low Reference

E

L-BU/BK

1688

5-Volt Reference

F

PU

486

TP Sensor 2 Signal

G

D-GN

485

TP Sensor 1 Signal

H

GY

416

5-Volt Reference

Throttle Actuator Control (TAC) Module C1


Object Number: 1505702  Size: CH

Connector Part Information

  • OEM: 12191065
  • Service: 88987977
  • Description: 16-Way F Micro-Pack 100 Series (BK)

Throttle Actuator Control (TAC) Module C1

Pin

Wire Color

Circuit No.

Function

1

D-GN

485

TP Sensor 1 Signal

2

GY

416

5-Volt Reference

3

BK

452

Low Reference

4

D-BU

84

Cruise Control Set/Coast Switch Signal

5

GY/BK

87

Cruise Control Resume/Accel Switch Signal

6

L-BU

1320

Stop Lamp Supply Voltage

7

PK

1339

Ignition 1 Voltage

8

BN

582

TAC Motor Control - 2

9

L-BU/BK

1688

5-Volt Reference

10

OG/BK

1057

Low Reference

11

PU

486

TP Sensor 2 Signal

12

OG/BK

1061

UART Serial Data

13

D-BU/WH

774

UART Serial Data

14

GY

397

Cruise Control On Switch Signal

15

BK

550

Ground

16

YE

581

TAC Motor Control - 1

Throttle Actuator Control (TAC) Module C2


Object Number: 666638  Size: CH

Connector Part Information

  • OEM: 12177081
  • Service: 15305916
  • Description: 10-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

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

Throttle Actuator Control (TAC) Module C2

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

PU

1272

5-Volt Reference

C

L-BU

1162

APP Sensor 2 Signal

D

TN

1274

Low Reference

E

--

--

Not Used

F

D-BU

1161

APP Sensor 1 Signal

G

WH/BK

1164

5-Volt Reference

H

--

--

Not Used

J

BN

1271

Low Reference

K

--

--

Not Used

Vehicle Speed Sensor (VSS)


Object Number: 666646  Size: CH

Connector Part Information

  • OEM: 15449028
  • Service: 88987978
  • 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)

Vehicle Speed Sensor (VSS)

Pin

Wire Color

Circuit No.

Function

1

PU/WH

821

VSS High Signal

2

L-GN/BK

822

VSS Low Signal