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: Exhaust Gas Recirculation (EGR) Valve
Connector 6: Fuel Heater
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 Pressure Regulator
Connector 16: Fuel Pump
Connector 17: Fuel Rail Pressure (FRP) Sensor
Connector 18: Fuel Rail Temperature (FRT) Sensor
Connector 19: Glow Plug Control Module (GPCM) C1
Connector 20: Glow Plug Control Module (GPCM) C2
Connector 21: High Idle Switch (UF3)
Connector 22: Intake Air Heater (IAH) Module
Connector 23: Intake Air Temperature (IAT) Sensor 2
Connector 24: Manifold Absolute Pressure (MAP) Sensor
Connector 25: Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
Connector 26: Turbocharger Vane Position Control Solenoid Valve
Connector 27: Turbocharger Vane Position Sensor

Accelerator Pedal Position (APP) Sensor


Object Number: 1334452  Size: CH

Connector Part Information

  • OEM: 15383136
  • Service: 89046653
  • Description: 6-Way F Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 4-969005-1/16
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: J-38125-560/J-35616-33 (YE)

Accelerator Pedal Position (APP) Sensor

Pin

Wire Color

Circuit No.

Function

1

TN

1274

5-Volt Reference 2

2

WH/BK

1164

5-Volt Reference 3

3

D-BU

1161

APP Sensor 1 Signal

4

BN

1271

Low Reference

5

PU

1272

Low Reference

6

L-BU

1162

APP Sensor 2 Signal

Camshaft Position (CMP) Sensor


Object Number: 1366572  Size: CH

Connector Part Information

  • OEM: 6248-5317
  • Service: See Catalog
  • Description: 3-Way F 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

Camshaft Position (CMP) Sensor

Pin

Wire Color

Circuit No.

Function

1

D-BU/WH

6265

CMP Sensor Signal

2

BN

6266

Low Reference

3

D-BU

6259

5-Volt Reference 1

Crankshaft Position (CKP) Sensor


Object Number: 1366572  Size: CH

Connector Part Information

  • OEM: 6248-5317
  • Service: See Catalog
  • Description: 3-Way F 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

Crankshaft Position (CKP) Sensor

Pin

Wire Color

Circuit No.

Function

1

WH/BK

6271

CKP Sensor Signal

2

GY/BK

6272

Low Reference

3

PU/WH

6270

5-Volt Reference 1

Engine Coolant Temperature (ECT) Sensor


Object Number: 655692  Size: CH

Connector Part Information

  • OEM: 12162195
  • Service: 15306195
  • Description: 2-Way F Metri-Pack 150.2 Series, Sealed (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

Engine Coolant Temperature (ECT) Sensor

Pin

Wire Color

Circuit No.

Function

A

YE

410

ECT Sensor Signal

B

BK

2761

Low Reference

Exhaust Gas Recirculation (EGR) Valve


Object Number: 1366573  Size: CH

Connector Part Information

  • OEM: 6195-0021
  • Service: 97324702
  • Description: 6-Way F DL 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

Exhaust Gas Recirculation (EGR) Valve

Pin

Wire Color

Circuit No.

Function

A

GY

2702

5-Volt Reference 3

B

TN

2753

Low Reference

C

BN/WH

5763

EGR Valve Position Signal

D

OG/BK

5764

EGR Motor High Control

E

--

--

Not Used

F

L-GN/BK

5746

EGR Motor Low Control

Fuel Heater


Object Number: 1614626  Size: CH

Connector Part Information

  • OEM: 58093
  • Service: See Catalog
  • Description: 2-Way F (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

Fuel Heater

Pin

Wire Color

Circuit No.

Function

1

BN

150

Ground

2

BN

1739

Ignition 1 Voltage

Fuel Injector 1


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 404 114
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Injector 1

Pin

Wire Color

Circuit No.

Function

1

TN

1744

Fuel Injector 1 Control Group 1

2

OG

5421

Injector Positive Voltage Control

Fuel Injector 2


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 404 114
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Injector 2

Pin

Wire Color

Circuit No.

Function

1

L-GN/BK

1745

Fuel Injector 2 Control Group 3

2

PU

5423

Injector Positive Voltage Control

Fuel Injector 3


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 404 114
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Injector 3

Pin

Wire Color

Circuit No.

Function

1

PK/BK

1746

Fuel Injector 3 Control Group 4

2

PK

5425

Injector Positive Voltage Control

Fuel Injector 4


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 404 114
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Injector 4

Pin

Wire Color

Circuit No.

Function

1

L-BU/BK

844

Fuel Injector 4 Control Group 1

2

OG

5421

Injector Positive Voltage Control

Fuel Injector 5


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 404 114
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Injector 5

Pin

Wire Color

Circuit No.

Function

1

TN/WH

845

Fuel Injector 5 Control Group 3

2

PU

5423

Injector Positive Voltage Control

Fuel Injector 6


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 404 114
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Injector 6

Pin

Wire Color

Circuit No.

Function

1

YE/BK

846

Fuel Injector 6 Control Group 2

2

YE

5422

Injector Positive Voltage Control

Fuel Injector 7


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 404 114
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Injector 7

Pin

Wire Color

Circuit No.

Function

1

OG/BK

877

Fuel Injector 7 Control Group 2

2

YE

5422

Injector Positive Voltage Control

Fuel Injector 8


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 404 114
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Injector 8

Pin

Wire Color

Circuit No.

Function

1

D-BU/WH

878

Fuel Injector 8 Control Group 4

2

PK

5425

Injector Positive Voltage Control

Fuel Pressure Regulator


Object Number: 784092  Size: CH

Connector Part Information

  • OEM: 1 928 403 874
  • Service: See Catalog
  • Description: 2-Way F Sealed (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

Fuel Pressure Regulator

Pin

Wire Color

Circuit No.

Function

1

PU/WH

2530

Fuel Pressure Regulator Solenoid Supply Voltage

2

YE

2834

Fuel Pressure Regulator Solenoid Control

Fuel Pump


Object Number: 1614627  Size: CH

Connector Part Information

  • OEM: 58091
  • Service: See Catalog
  • Description: 2-Way F (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

Fuel Pump

Pin

Wire Color

Circuit No.

Function

1

RD

1058

Fuel Pump Supply Voltage

2

BK

150

Ground

Fuel Rail Pressure (FRP) Sensor


Object Number: 1331443  Size: CH

Connector Part Information

  • OEM: 1 928 403 968
  • Service: See Catalog
  • Description: 3-Way F Sealed (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

Fuel Rail Pressure (FRP) Sensor

Pin

Wire Color

Circuit No.

Function

1

WH

2919

Low Reference

2

OG/BK

2918

FRP Sensor Signal

3

D-BU

2917

5-Volt Reference 2

Fuel Rail Temperature (FRT) Sensor


Object Number: 784094  Size: CH

Connector Part Information

  • OEM: 178392-6
  • Service: See Catalog
  • Description: 2-Way F 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 Rail Temperature (FRT) Sensor

Pin

Wire Color

Circuit No.

Function

1

YE

1578

Fuel Temperature Sensor Signal

2

BN

6062

Low Reference

Glow Plug Control Module (GPCM) C1


Object Number: 1366585  Size: CH

Connector Part Information

  • OEM: 15443870
  • Service: 88987604
  • Description: 1-Way F Sealed (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

Glow Plug Control Module (GPCM) C1

Pin

Wire Color

Circuit No.

Function

1

RD

1

Battery Positive Voltage

Glow Plug Control Module (GPCM) C2


Object Number: 1576764  Size: CH

Connector Part Information

  • OEM: 897386-6110
  • Service: 97386611
  • Description: 53-Way F MLK 1.2/SLK 2.8 Series, Sealed (BK)

Terminal Part Information

  • Pins: 1-4, 6-9
  • Terminal/Tray: 2 21 24 47297 0/27
  • Core/Insulation Crimp: 4/C/1
  • Release Tool/Test Probe: 15314260/J-35616-4A (PU)
  • Pins: 26-31, 43-46, 51-53
  • Terminal/Tray: 2 21 24 61420 0/15
  • Core/Insulation Crimp: K/K
  • Release Tool/Test Probe: J-38125-24/J-35616-16 (L-GN)

Glow Plug Control Module (GPCM) C2

Pin

Wire Color

Circuit No.

Function

1

OG/BK

HB13

Glow Plug 3 Supply Voltage

2

WH/D-GN

HB12

Glow Plug 2 Supply Voltage

3

WH/RD

HB11

Glow Plug 1 Supply Voltage

4

WH/YE

HB14

Glow Plug 4 Supply Voltage

5

--

--

Not Used

6

WH/RD

HB18

Glow Plug 8 Supply Voltage

7

OG

HB15

Glow Plug 5 Supply Voltage

8

WH/L-GN

HB16

Glow Plug 6 Supply Voltage

9

PK

HB17

Glow Plug 7 Supply Voltage

10-25

--

--

Not Used

26

YE

IC182

IAH Command 2

27

RD

IC185

IAH Feedback Signal

28

BK

IC180

IAH Temperature Signal

29

PK

IC183

IAH Current Signal

30

TN

IC184

IAH Voltage Signal

31

OG

IC181

IAH Command 1

32-42

--

--

Not Used

43

TN

2501

High Speed GMLAN Serial Data Bus (-)

44

TN/BK

2500

High Speed GMLAN Serial Data Bus (+)

45

TN

2501

High Speed GMLAN Serial Data Bus (-)

46

TN/BK

2501

High Speed GMLAN Serial Data Bus (+)

47-50

--

--

Not Used

51

RD

HB03

Ground

52

PK

439

Ignition 1 Voltage

53

WH

1020

Ignition 0 Voltage

High Idle Switch (UF3)


Object Number: 304345  Size: CH

Connector Part Information

  • OEM: 12177195
  • Service: 15305931
  • Description: 6-Way F Metri-Pack 150 Series (BK)

Terminal Part Information

  • Terminal/Tray: 12129484/19
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12094429/J-35616-2A (GY)

High Idle Switch (UF3)

Pin

Wire Color

Circuit No.

Function

A

BK

550

Ground

B

BK

550

Ground

C

D-GN

534

High Idle Switch Signal

D

BN

441

Ignition 3 Voltage

E

BN/WH

230

Instrument Panel Lamps Dimming Control

F

OG

2013

High Idle Indicator Control

Intake Air Heater (IAH) Module


Object Number: 1583743  Size: CH

Connector Part Information

  • OEM: DT16-6S-K002
  • Service: See Catalog
  • Description: 6-Way F Sealed (GN)

Terminal Part Information

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

Intake Air Heater (IAH) Module

Pin

Wire Color

Circuit No.

Function

1

BK

IC180

IAH Temperature Signal

2

OG

IC181

IAH Command 1

3

YE

IC182

IAH Command 2

4

PK

IC183

IAH Current Signal

5

TN

IC184

IAH Voltage Signal

6

RD

IC185

IAH Feedback Signal

Intake Air Temperature (IAT) Sensor 2


Object Number: 1578317  Size: CH

Connector Part Information

  • OEM: 7183-7020-10
  • Service: See Catalog
  • Description: 2-Way F Sealed (D-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

Intake Air Temperature (IAT) Sensor 2

Pin

Wire Color

Circuit No.

Function

A

D-BU

6118

IAT Sensor 2 Signal

B

YE/BK

6120

Low Reference

Manifold Absolute Pressure (MAP) Sensor


Object Number: 684840  Size: CH

Connector Part Information

  • OEM: 12129945
  • Service: See Catalog
  • Description: 3-Way F Metri-Pack 150 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

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 3

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


Object Number: 655786  Size: CH

Connector Part Information

  • OEM: 15324447
  • Service: 88953157
  • Description: 5-Way F Sealed (BK)

Terminal Part Information

  • Terminal/Tray: 7116-4025/11
  • Core/Insulation Crimp: E/1
  • Release Tool/Test Probe: 15313892/J-35616-18 (BK)

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

Pin

Wire Color

Circuit No.

Function

1

TN

552

Low Reference

2

TN

472

IAT Sensor 1 Signal

3

PK

139

Ignition 1 Voltage

4

TN

476

Low Reference

5

YE

492

MAF Sensor Signal

Turbocharger Vane Position Control Solenoid Valve


Object Number: 1366580  Size: CH

Connector Part Information

  • OEM: PR-1A020070097
  • Service: See Catalog
  • Description: 2-Way F Sealed (WH)

Terminal Part Information

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

Turbocharger Vane Position Control Solenoid Valve

Pin

Wire Color

Circuit No.

Function

A

D-BU

5930

Turbocharger Vane Position Control Solenoid Valve Control

B

WH

5931

Low Reference

Turbocharger Vane Position Sensor


Object Number: 1556303  Size: CH

Connector Part Information

  • OEM: 12191366
  • Service: 88988603
  • Description: 4-Way F Metri-Pack 150 Series, Sealed (L-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

Turbocharger Vane Position Sensor

Pin

Wire Color

Circuit No.

Function

A

--

--

Not Used

B

YE

5947

Turbocharger Vane Position Sensor Signal

C

OG/BK

5929

Low Reference

D

TN

5928

5-Volt Reference 3