GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2003 🢒 Yukon - 4WD 🢒 Suspension 🢒 Electronic Suspension Control (ESC) 🢒 Suspension Controls Connector End Views
Table 1: Electronic Suspension Control (ESC) Module - C1
Table 2: Electronic Suspension Control (ESC) Module - C2
Table 3: Electronic Suspension Control (ESC) Module - C3
Table 4: Steering Wheel Speed/Position Sensor
Table 5: Suspension Damper Solenoid - LF
Table 6: Suspension Damper Solenoid - RF
Table 7: Suspension Damper Solenoid - LR (10 Series)
Table 8: Suspension Damper Solenoid - LR (20 Series)
Table 9: Suspension Damper Solenoid - RR
Table 10: Suspension Position Sensor - LF
Table 11: Suspension Position Sensor - RF
Table 12: Suspension Position Sensor - LR
Table 13: Suspension Position Sensor - RR

Electronic Suspension Control (ESC) Module - C1


Object Number: 73158 Size: CH

Connector Part Information
    • 12110626
    • 8-Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1116

Right Front Suspension Damper Solenoid Control

B

DK GRN

1119

Right Rear Suspension Damper Solenoid Low Reference

C

BLK

2351

Ground

D

ORN

2440

Battery Positive Voltage

E

BLK

1450

Ground - Except Avalanche and Escalade EXT

BLK

1250

Ground - Avalanche and Escalade EXT

F

GRY

1113

Left Front Suspension Damper Solenoid Low Reference

G

GRY

1117

Right Front Suspension Damper Solenoid Low Reference

H

DK GRN

1115

Left Rear Suspension Damper Solenoid Low Reference

Electronic Suspension Control (ESC) Module - C2


Object Number: 130689 Size: CH

Connector Part Information
    • 12110244
    • 24-Way F Micro-Pack (PNK)

Pin

Wire Color

Circuit No.

Function

A1-A8

--

--

Not Used

A9

GRY

416

5 Volt Reference

A10

LT BLU

2248

Real Time Damping Compressor Relay Control

A11

--

--

Not Used

A12

LT BLU/

WHT

1107

Left Front Suspension Damper Solenoid Control

B1

DK BLU/

WHT

1118

Right Rear Suspension Damper Solenoid Control

B2

WHT

1765

Steering Wheel Position Marker Pulse Signal

B3

--

--

Not Used

B4

LT BLU

1764

Steering Wheel Position Signal B

B5

DK BLU

2249

Real Time Damping Compressor Exhaust Control

B6

LT GRN

1763

Steering Wheel Position Signal A

B7

--

--

Not Used

B8

DK BLU/

WHT

1126

SCM Class 2 Serial Data

B9

--

--

Not Used

B10

BLK

407

Low Reference

B11-B12

--

--

Not Used

Electronic Suspension Control (ESC) Module - C3


Object Number: 130690 Size: CH

Connector Part Information
    • 121102206
    • 24-Way F Micro-Pack (LT BLU)

Pin

Wire Color

Circuit No.

Function

A1

PNK/WHT

1101

Damping Lift/Dive Signal

A2

TAN/WHT

1207

Left Front Suspension Position Sensor Signal

A3

PPL/WHT

1205

Left Front Suspension Position Sensor Voltage Reference

A4

TAN/WHT

1213

Right Front Suspension Position Sensor Signal

A5

LT GRN/

WHT

1210

Left Rear Suspension Position Sensor Signal

A6

RED/BLK

1208

Left Rear Suspension Position Sensor Voltage Reference

A7

LT GRN/

WHT

1216

Right Rear Suspension Position Sensor Signal

A8-A11

--

--

Not Used

A12

DK BLU/

WHT

1114

Left Rear Suspension Damper Solenoid Control

B1

BRN

541

Ignition 3 Voltage

B2

LT BLU/

BLK

1206

Left Front Suspension Position Sensor Low Reference

B3

PPL/WHT

1211

Right Front Suspension Position Sensor Voltage Reference

B4

LT BLU/

BLK

1212

Right Front Suspension Position Sensor Low Reference

B5

LT GRN/

BLK

1209

Left Rear Suspension Position Sensor Low Reference

B6

RED/BLK

1214

Right Rear Suspension Position Sensor Voltage Reference

B7

LT GRN/

BLK

1215

Right Rear Suspension Position Sensor Low Reference

B8-B10

--

--

Not Used

B11

TAN

2252

Leveling Pressure Sensor Signal

B12

--

--

Not Used

Steering Wheel Speed/Position Sensor


Object Number: 280793 Size: CH

Connector Part Information
    • 12052444
    • 8-Way F Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit Number

Function

1

GRY

1056

Steering Wheel Position Sensor 5V Reference Voltage

2

BLK

1835

Low Reference

3

LT GRN

1763

Steering Wheel Position Signal A

4

LT BLU

1764

Steering Wheel Position Signal B

5

WHT

1765

Steering Wheel Position Marker Pulse Signal

6

LT BLU

1059

Steering Wheel Position Sensor Signal

7

PNK

41

Ignition 3 Voltage

8

BLK

1851

Ground

Suspension Damper Solenoid - LF


Object Number: 524801 Size: CH

Connector Part Information
    • 15336746
    • 2-Way F Micro-Pack 100W (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1107

Left Front Suspension Damper Solenoid Control

G

GRY

1113

Left Front Suspension Damper Solenoid Low Reference

Suspension Damper Solenoid - RF


Object Number: 524801 Size: CH

Connector Part Information
    • 15336746
    • 2-Way F Micro-Pack 100W (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1116

Right Front Suspension Damper Solenoid Control

G

GRY

1117

Right Front Suspension Damper Solenoid Low Reference

Suspension Damper Solenoid - LR (10 Series)


Object Number: 655866 Size: CH

Connector Part Information
    • 15355009
    • 2-Way F 150.2 P2S Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/

WHT

1114

Left Rear Suspension Damper Solenoid Control

B

DK GRN

1115

Left Rear Suspension Damper Solenoid Low Reference

Suspension Damper Solenoid - LR (20 Series)


Object Number: 635009 Size: CH

Connector Part Information
    • 12052641
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/

WHT

1114

Left Rear Suspension Damper Solenoid Control

B

DK GRN

1115

Left Rear Suspension Damper Solenoid Low Reference

Suspension Damper Solenoid - RR


Object Number: 655866 Size: CH

Connector Part Information
    • 15355009
    • 2-Way F 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/

WHT

1118

Right Rear Suspension Damper Solenoid Control

B

DK GRN

1119

Right Rear Suspension Damper Solenoid Low Reference

Suspension Position Sensor - LF


Object Number: 684807 Size: CH

Connector Part Information
    • 12110293
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

1205

Left Front Suspension Position Sensor Volt Reference

B

TAN/WHT

1207

Left Front Suspension Position Sensor Signal

C

LT BLU/BLK

1206

Left Front Suspension Position Sensor Low Reference

Suspension Position Sensor - RF


Object Number: 684807 Size: CH

Connector Part Information
    • 12110293
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

1211

Right Front Suspension Position Sensor Volt Reference

B

TAN/WHT

1213

Right Front Suspension Position Sensor Signal

C

LT BLU/

BLK

1212

Right Front Suspension Position Sensor Low Reference

Suspension Position Sensor - LR


Object Number: 684807 Size: CH

Connector Part Information
    • 12110293
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/BLK

1208

Left Rear Suspension Position Sensor Volt Reference

B

LT GRN/

WHT

1210

Left Rear Suspension Position Sensor Signal

C

LT GRN/

BLK

1209

Left Rear Suspension Position Sensor Low Reference

Suspension Position Sensor - RR


Object Number: 684807 Size: CH

Connector Part Information
    • 12110293
    • 3-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED/BLK

1214

Right Rear Suspension Position Sensor Volt Reference

B

LT GRN/

WHT

1216

Right Rear Suspension Position Sensor Signal

C

LT GRN/

BLK

1215

Right Rear Suspension Position Sensor Low Reference