GM Service Manual Online
For 1990-2009 cars only
Table 1: EVO Actuator
Table 2: Rear Leveling Compressor Relay
Table 3: LF Shock Solenoid Valve Connector
Table 4: RF Shock Solenoid Valve Connector
Table 5: LR Shock Solenoid Valve Connector
Table 6: RR Shock Solenoid Valve Connector
Table 7: LF Body-to-Wheel Position Sensor
Table 8: RF Body-to-Wheel Position Sensor
Table 9: LR Body-to-Wheel Position Sensor
Table 10: RR Body-to-Wheel Position Sensor
Table 11: Suspension Control Module C-1
Table 12: Suspension Control Module C-2
Table 13: Suspension Control Module C-3
Table 14: Rear Compressor Leveling Module

EVO Actuator


Object Number: 537107  Size: CH

Connector Part Information

    • 12052643
    • 2 Way F Metri-Pack 150 Series (RED)

Pin

Wire Color

Circuit No.

Function

A

WHT

1294

Electronic Variable Orifice (EVO) Solenoid Control

B

BRN

1295

Electronic Variable Orifice (EVO) Solenoid - Low Reference

Rear Leveling Compressor Relay


Object Number: 535912  Size: CH

Connector Part Information

    • 12129716
    • 4 Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

30

RED

742

Fused Battery Positive Voltage

85

BRN

541

Fused Ignition Positive Voltage

86

LT BLU

2248

Real Time Damping (RTD) Compressor Relay Control

87

RED

742

Fused Battery Positive Voltage

LF Shock Solenoid Valve Connector


Object Number: 524801  Size: CH

Connector Part Information

    • 15336746
    • 2 Way F Micro-Pack 100W (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1107

Real Time Damping (RTD) Solenoid Control - LF

G

GRY

1113

Real Time Damping (RTD) Solenoid Low Reference - LF

RF Shock Solenoid Valve Connector


Object Number: 524801  Size: CH

Connector Part Information

    • 15336746
    • 2 Way F Micro-Pack 100W (NAT)

Pin

Wire Color

Circuit No.

Function

A

LT BLU/WHT

1116

Real Time Damping (RTD) Solenoid Control - RF

G

GRY

1117

Real Time Damping (RTD) Solenoid Low Reference - RF

LR Shock Solenoid Valve Connector


Object Number: 258922  Size: CH

Connector Part Information

    • 12162852
    • 2 Way F 150.2 P2S Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

1114

Real Time Damping (RTD) Damper Solenoid Control - LR

B

DK GRN

1115

Real Time Damping (RTD) Damper Solenoid Low Reference - LR

RR Shock Solenoid Valve Connector


Object Number: 258922  Size: CH

Connector Part Information

    • 12162852
    • 2 Way F 150.2 P2S Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

1118

Real Time Damping (RTD) Damper Solenoid Control - RR

B

DK GRN

1119

Real Time Damping (RTD) Damper Solenoid Low Reference - RR

LF Body-to-Wheel Position Sensor


Object Number: 491634  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

1205

Real Time Damping (RTD) Body -to-Wheel Position Sensor Reference Voltage - LF (5 Volt Reference)

B

TAN/WHT

1207

Real Time Damping (RTD) Body -to-Wheel Position Sensor Signal - LF

C

LT BLU/BLK

1206

Real Time Damping (RTD) Body -to -Wheel Position Sensor Low Reference - LF

RF Body-to-Wheel Position Sensor


Object Number: 491634  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PPL/WHT

1211

Real Time Damping (RTD) Body-to-Wheel Position Sensor Reference Voltage - RF (5 Volt Reference)

B

TAN/WHT

1213

Real Time Damping (RTD) Body -to-Wheel Position Sensor Signal - RF

C

LT BLU/BLK

1212

Real Time Damping (RTD) Body-to-Wheel Position Sensor Low Reference - RF

LR Body-to-Wheel Position Sensor


Object Number: 491634  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

RED/BLK

1208

Real Time Damping (RTD) Body -to-Wheel Position Sensor Reference Voltage - LR (5 Volt Reference)

B

LT GRN/WHT

1210

Real Time Damping (RTD) Body-to-Wheel Position Sensor Signal - LR

C

LT GRN/BLK

1209

Real Time Damping (RTD) Body-to-Wheel Position Sensor Low Reference - LR

RR Body-to-Wheel Position Sensor


Object Number: 491634  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

RED/BLK

1214

RTD Body-to -Wheel Position Sensor Reference Voltage - RR (5 Volt Reference )

B

LT GRN/WHT

1216

RTD Body-to -Wheel Position Sensor Signal - RR

C

LT GRN/BLK

1215

RTD Body-to- Wheel Position Sensor Low Reference - RR

Suspension Control Module C-1


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

RTD Damper Solenoid Control - RF

B

DK GRN

1119

RTD Solenoid Low Reference - RR

C

BLK

1450

Ground

D

ORN

2440

Fused Battery Positive Voltage

E

BLK

1450

RTD Damping Solenoid Ground

F

GRY

1113

RTD Damper Solenoid Low Reference - LF

G

GRA

1117

RTD Damper Solenoid Low Reference - RF

H

DK GRN

1115

RTD Damper Solenoid Low Reference - LR

Suspension Control Module C-2


Object Number: 130689  Size: CH

Connector Part Information

    • 12110244
    • 24 Way F Micro-Pack (PNK)

Pin

Wire Color

Circuit No.

Function

A1-A6

--

--

Not Used

A7

WHT

1294

Electronic Variable Orifice (EVO) Solenoid Control

A8

BRN

1295

Electronic Variable Orifice (EVO) Solenoid Low Reference

A9

GRY

416

Reference Voltage Pressure Sensor - 5 Volts

A10

LT BLU

2248

Real Time Damping (RTD) Compressor Relay Control

A11

--

--

Not Used

A12

LT BLU/WHT

1107

Real Time Damping (RTD) Damper Solenoid Control - LF

B1

DK BLU/WHT

1118

Real Time Damping (RTD) Damper Solenoid Control - RR

B2-B4

--

--

Not Used

B5

DK BLU

2249

Real Time Damping (RTD) Compressor Exhaust Control

B6-B7

--

--

Not Used

B8

DK BLU/WHT

1126

Serial Data Signal (Class 2)

B9

--

--

Not Used

B10

BLK

407

Pressure Sensor Low Reference

B11-B12

--

--

Not Used

Suspension Control Module C-3


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

Real Time Damping (RTD) Lift/Dive Signal

A2

TAN/WHT

1207

Real Time Damping (RTD) Body-to-Wheel Position Sensor Signal - LF

A3

PPL/WHT

1205

Real Time Damping (RTD) Body-to-Wheel Position Sensor Reference Voltage - LF (5 Volt Reference)

A4

TAN/WHT

1213

Real Time Damping (RTD) Body-to-Wheel Position Sensor Signal - RF

A5

LT GRN/WHT

1210

Real Time Damping (RTD) Body-to-Wheel Position Sensor Signal - LR

A6

RED/BLK

1208

Real Time Damping (RTD) Body-to-Wheel Position Sensor Reference Voltage - LR ( 5 Volt Reference)

A7

LT GRN/WHT

1216

Real Time Damping (RTD) Body-to-Wheel Position Sensor Signal - RR

A8

LT BLU

1059

Steering Wheel Position Sensor Signal - (Track 1)

A9

GRY

705

Steering Wheel Position Sensor Reference Voltage Feed - 5 Volts

A10

DK GRN/WHT

817

Vehicle Speed Signal ( 4000 pulses per mile )

A11

--

--

Not Used

A12

DK BLU/WHT

1114

Real Time Damping (RTD) Damper Solenoid Control - LR

B1

BRN

541

Fused Ignition Positive Voltage

B2

LT BLU/BLK

1206

Real Time Damping (RTD) Body-to-Wheel Position Sensor Low Reference - LF

B3

PPL/WHT

1211

Real Time Damping (RTD) Position Sensor Reference Voltage - RF ( 5 Volt Reference)

B4

LT BLU/BLK

1212

Real Time Damping (RTD) Position Sensor Low Reference - RF

B5

LT GRN/BLK

1209

Real Time Damping (RTD) Position Sensor Low Reference - LR

B6

RED/BLK

1214

Real Time Damping (RTD) Position Sensor Reference Voltage - RR ( 5 Volt Reference)

B7

LT GRN/BLK

1215

Real Time Damping (RTD) Position Sensor Low Reference - RR

B8

ORN/BLK

556

Steering Wheel Position Sensor - (Track 2)

B9

ORN/BLK

1057

Steering Wheel Position Sensor - Low Reference

B10

--

--

Not Used

B11

TAN

2252

Leveling Pressure Sensor Signal

B12

--

--

Not Used

Rear Compressor Leveling Module


Object Number: 479413  Size: CH

Connector Part Information

    • 12110751
    • 7 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

742

Fused Battery Positive Voltage

B

DK BLU

2249

Leveling Compressor Exhaust Control

C

BLK

407

Rear Leveling Pressure Sensor - Low Reference

D

TAN

2252

Leveling Compressor Pressure Sensor Signal

E

GRY

416

Leveling Compressor Pressure Sensor Reference Voltage - 5 Volts

F

ORN

2440

Fused Battery Positive Voltage

G

BLK

1450

Ground