GM Service Manual Online
For 1990-2009 cars only
Connector 1: Electronic Suspension Control (ESC) Module - C1
Connector 2: Electronic Suspension Control (ESC) Module - C2
Connector 3: Electronic Suspension Control (ESC) Module - C3
Connector 4: Steering Wheel Speed/Position Sensor
Connector 5: Suspension Damper Solenoid - LF
Connector 6: Suspension Damper Solenoid - LR (10 Series)
Connector 7: Suspension Damper Solenoid - LR (20 Series)
Connector 8: Suspension Damper Solenoid - RF
Connector 9: Suspension Damper Solenoid - RR
Connector 10: Suspension Position Sensor - LF
Connector 11: Suspension Position Sensor - LR
Connector 12: Suspension Position Sensor - RF
Connector 13: Suspension Position Sensor - RR

Electronic Suspension Control (ESC) Module - C1


Object Number: 73158  Size: CH

Connector Part Information

  • OEM: 12110626
  • Service: 12110626
  • Description: 8-Way F Metri-Pack 280 Series (GY)

Terminal Part Information

  • Pin: D
  • Terminal/Tray: 15324340/19
  • Core/Insulation Crimp: F/G
  • Release Tool/Test Probe: 12094430/J-35616-4A (PU)
  • Pins: A-C, F-H
  • Terminal/Tray: 12110844/4
  • Core/Insulation Crimp: C/A
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)
  • Pin: E
  • Terminal/Tray: 12110842/4
  • Core/Insulation Crimp: A/B
  • Release Tool/Test Probe: 15315247/J-35616-4A (PU)

Electronic Suspension Control (ESC) Module - C1

Pin

Wire Color

Circuit No.

Function

A

L-BU/WH

1116

Right Front Suspension Damper Solenoid Control

B

D-GN

1119

Right Rear Suspension Damper Solenoid Low Reference

C

BK

2351

Ground

D

OG

2440

Battery Positive Voltage

E

BK

1450

Ground - Except Avalanche and Escalade EXT

BK

1250

Ground - Avalanche and Escalade EXT

F

GY

1113

Left Front Suspension Damper Solenoid Low Reference

G

GY

1117

Right Front Suspension Damper Solenoid Low Reference

H

D-GN

1115

Left Rear Suspension Damper Solenoid Low Reference

Electronic Suspension Control (ESC) Module - C2


Object Number: 130689  Size: CH

Connector Part Information

  • OEM: 12110244
  • Service: 12110244
  • Description: 24-Way F Micro-Pack (PK)

Terminal Part Information

  • Pins: A9, A10, A12, B1, B2, B4- B6, B8, B10
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Electronic Suspension Control (ESC) Module - C2

Pin

Wire Color

Circuit No.

Function

A1-A8

--

--

Not Used

A9

GY

416

5-Volt Reference

A10

L-BU

2248

Real Time Damping Compressor Relay Control

A11

--

--

Not Used

A12

L-BU/WH

1107

Left Front Suspension Damper Solenoid Control

B1

D-BU/WH

1118

Right Rear Suspension Damper Solenoid Control

B2

WH

1765

Steering Wheel Position Marker Pulse Signal

B3

--

--

Not Used

B4

L-BU

1764

Steering Wheel Position Signal B

B5

D-BU

2249

Real Time Damping Compressor Exhaust Control

B6

L-GN

1763

Steering Wheel Position Signal A

B7

--

--

Not Used

B8

D-BU/WH

1126

SCM Class 2 Serial Data

B9

--

--

Not Used

B10

BK

407

Low Reference

B11-B12

--

--

Not Used

Electronic Suspension Control (ESC) Module - C3


Object Number: 130690  Size: CH

Connector Part Information

  • OEM: 12110206
  • Service: 12110206
  • Description: 24-Way F Micro-Pack (L-BU)

Terminal Part Information

  • Pins: A1-A7, A12, B1-B7, B11
  • Terminal/Tray: 12146447/3
  • Core/Insulation Crimp: E/C
  • Release Tool/Test Probe: 12031876-1/J-35616-6 (BN)

Electronic Suspension Control (ESC) Module - C3

Pin

Wire Color

Circuit No.

Function

A1

PK/WH

1101

Damping Lift/Dive Signal

A2

TN/WH

1207

Left Front Suspension Position Sensor Signal

A3

PU/WH

1205

Left Front Suspension Position Sensor Voltage Reference

A4

TN/WH

1213

Right Front Suspension Position Sensor Signal

A5

L-GN/WH

1210

Left Rear Suspension Position Sensor Signal

A6

RD/BK

1208

Left Rear Suspension Position Sensor Voltage Reference

A7

L-GN/WH

1216

Right Rear Suspension Position Sensor Signal

A8-A11

--

--

Not Used

A12

D-BU/WH

1114

Left Rear Suspension Damper Solenoid Control

B1

BN

541

Ignition 3 Voltage

B2

L-BU/BK

1206

Left Front Suspension Position Sensor Low Reference

B3

PU/WH

1211

Right Front Suspension Position Sensor Voltage Reference

B4

L-BU/BK

1212

Right Front Suspension Position Sensor Low Reference

B5

L-GN/BK

1209

Left Rear Suspension Position Sensor Low Reference

B6

RD/BK

1214

Right Rear Suspension Position Sensor Voltage Reference

B7

L-GN/BK

1215

Right Rear Suspension Position Sensor Low Reference

B8-B10

--

--

Not Used

B11

TN

2252

Leveling Pressure Sensor Signal

B12

--

--

Not Used

Steering Wheel Speed/Position Sensor


Object Number: 280793  Size: CH

Connector Part Information

  • OEM: 12052444
  • Service: 12101874
  • Description: 8-Way F Micro-Pack 100 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

Steering Wheel Speed/Position Sensor

Pin

Wire Color

Circuit No.

Function

1

GY

1056

Steering Wheel Position Sensor 5-Volt Reference Voltage

2

BK

1835

Low Reference

3

L-GN

1763

Steering Wheel Position Signal A

4

L-BU

1764

Steering Wheel Position Signal B

5

WH

1765

Steering Wheel Position Marker Pulse Signal

6

L-BU

1059

Steering Wheel Position Sensor Signal

7

PK

41

Ignition 3 Voltage

8

BK

1851

Ground

Suspension Damper Solenoid - LF


Object Number: 524801  Size: CH

Connector Part Information

  • OEM: 15336746
  • Service: 88986417
  • Description: 2-Way F Micro-Pack 100W (BK)

Terminal Part Information

  • Pin: A
  • Terminal/Tray: 12084912/5
  • Core/Insulation Crimp: W/W
  • Release Tool/Test Probe: 12122523/J-35616-6 (BN)
  • Pin: G
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Suspension Damper Solenoid - LF

Pin

Wire Color

Circuit No.

Function

A

L-BU/WH

1107

Left Front Suspension Damper Solenoid Control

G

GY

1113

Left Front Suspension Damper Solenoid Low Reference

Suspension Damper Solenoid - LR (10 Series)


Object Number: 655866  Size: CH

Connector Part Information

  • OEM: 15355009
  • Service: 15306332
  • Description: 2-Way F 150.2 P2S Series (BK)

Terminal Part Information

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

Suspension Damper Solenoid - LR (10 Series)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

1114

Left Rear Suspension Damper Solenoid Control

B

D-GN

1115

Left Rear Suspension Damper Solenoid Low Reference

Suspension Damper Solenoid - LR (20 Series)


Object Number: 635009  Size: CH

Connector Part Information

  • OEM: 12052641
  • Service: 12102747
  • Description: 2-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)

Suspension Damper Solenoid - LR (20 Series)

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

1114

Left Rear Suspension Damper Solenoid Control

B

D-GN

1115

Left Rear Suspension Damper Solenoid Low Reference

Suspension Damper Solenoid - RF


Object Number: 524801  Size: CH

Connector Part Information

  • OEM: 15336746
  • Service: 88986417
  • Description: 2-Way F Micro-Pack 100W (BK)

Terminal Part Information

  • Pin: A
  • Terminal/Tray: 12084912/5
  • Core/Insulation Crimp: W/W
  • Release Tool/Test Probe: 12122523/J-35616-6 (BN)
  • Pin: G
  • Terminal/Tray: See Terminal Repair Kit
  • Core/Insulation Crimp: See Terminal Repair Kit
  • Release Tool/Test Probe: See Terminal Repair Kit

Suspension Damper Solenoid - RF

Pin

Wire Color

Circuit No.

Function

A

L-BU/WH

1116

Right Front Suspension Damper Solenoid Control

G

GY

1117

Right Front Suspension Damper Solenoid Low Reference

Suspension Damper Solenoid - RR


Object Number: 655866  Size: CH

Connector Part Information

  • OEM: 15355009
  • Service: 15306332
  • Description: 2-Way F 150.2 Series (BK)

Terminal Part Information

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

Suspension Damper Solenoid - RR

Pin

Wire Color

Circuit No.

Function

A

D-BU/WH

1118

Right Rear Suspension Damper Solenoid Control

B

D-GN

1119

Right Rear Suspension Damper Solenoid Low Reference

Suspension Position Sensor - LF


Object Number: 684807  Size: CH

Connector Part Information

  • OEM: 12110293
  • Service: 12117025
  • Description: 3-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

Suspension Position Sensor - LF

Pin

Wire Color

Circuit No.

Function

A

PU/WH

1205

Left Front Suspension Position Sensor Volt Reference

B

TN/WH

1207

Left Front Suspension Position Sensor Signal

C

L-BU/BK

1206

Left Front Suspension Position Sensor Low Reference

Suspension Position Sensor - LR


Object Number: 684807  Size: CH

Connector Part Information

  • OEM: 12110293
  • Service: 12117025
  • 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)

Suspension Position Sensor - LR

Pin

Wire Color

Circuit No.

Function

A

RD/BK

1208

Left Rear Suspension Position Sensor Volt Reference

B

L-GN/WH

1210

Left Rear Suspension Position Sensor Signal

C

L-GN/BK

1209

Left Rear Suspension Position Sensor Low Reference

Suspension Position Sensor - RF


Object Number: 684807  Size: CH

Connector Part Information

  • OEM: 12110293
  • Service: 12117025
  • Description: 3-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

Suspension Position Sensor - RF

Pin

Wire Color

Circuit No.

Function

A

PU/WH

1211

Right Front Suspension Position Sensor Volt Reference

B

TN/WH

1213

Right Front Suspension Position Sensor Signal

C

L-BU/BK

1212

Right Front Suspension Position Sensor Low Reference

Suspension Position Sensor - RR


Object Number: 684807  Size: CH

Connector Part Information

  • OEM: 12110293
  • Service: 12117025
  • Description: 3-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

Suspension Position Sensor - RR

Pin

Wire Color

Circuit No.

Function

A

RD/BK

1214

Right Rear Suspension Position Sensor Volt Reference

B

L-GN/WH

1216

Right Rear Suspension Position Sensor Signal

C

L-GN/BK

1215

Right Rear Suspension Position Sensor Low Reference