GM Service Manual Online
For 1990-2009 cars only
Connector 1: Air Suspension Compressor - 1
Connector 2: Air Suspension Compressor - 2
Connector 3: Air Suspension Exhaust Valve
Connector 4: Air Suspension Inflator Switch
Connector 5: Air Suspension Inlet Valve - Rear
Connector 6: Air Suspension Module
Connector 7: Air Suspension Pressure Sensor
Connector 8: Air Suspension Ride Height Switch
Connector 9: Air Suspension Sensor - Left Rear
Connector 10: Air Suspension Sensor - Right Rear
Connector 11: Electronically Controlled Air Suspension Compressor Relay

Air Suspension Compressor - 1


Object Number: 848685  Size: CH

Connector Part Information

  • OEM: 344080-1
  • Service: See Catalog
  • Description: 4-Way F Econoseal 3 High Current (BK)

Air Suspension Compressor - 1

Pin

Wire Color

Circuit No.

Function

1

YE

DA

Dummy Wire

2

YE

CO ONE

Compressor 1 Over Temperature Signal

3

BK

CGONE

Ground

4

RD

CSONE

Battery Positive Voltage

Air Suspension Compressor - 2


Object Number: 848685  Size: CH

Connector Part Information

  • OEM: 344080-1
  • Service: See Catalog
  • Description: 4-Way F Econoseal 3 High Current (BK)

Air Suspension Compressor - 2

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YE

COTWO

Compressor 2 Over Temperature Signal

3

BK

CGTWO

Ground

4

RD

CSTWO

Battery Positive Voltage

Air Suspension Exhaust Valve


Object Number: 848685  Size: CH

Connector Part Information

  • OEM: 344270-3
  • Service: See Catalog
  • Description: 4-Way F AMP 070 Series Sealed (BU)

Air Suspension Exhaust Valve

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

YE

V-SEVEN

Air Suspension Exhaust Valve Control

3

YE

S-FIVE

Ground

4

--

--

Not Used

Air Suspension Inflator Switch


Object Number: 632353  Size: CH

Connector Part Information

  • OEM: 15326813
  • Service: 15306377
  • Description: 3-Way M 150 Series Sealed (BK)

Air Suspension Inflator Switch

Pin

Wire Color

Circuit No.

Function

A

PU

5523

Inflator Switch Signal

B

L-GN

5522

Inflator Switch Low Reference

C

OR

5524

Inflator Switch Indicator Control

Air Suspension Inlet Valve - Rear


Object Number: 848683  Size: CH

Connector Part Information

  • OEM: 344270-1
  • Service: See Catalog
  • Description: 4-Way F AMP 070 Series Sealed (BK)

Air Suspension Inlet Valve - Rear

Pin

Wire Color

Circuit No.

Function

1

YE

S-THREE

Ground

2

YE

V-ONE

Inlet Valve - LR Control

3

YE

S-FOUR

Ground

4

YE

V-TWO

Inlet Valve - RR Control

Air Suspension Module


Object Number: 39784  Size: CH

Connector Part Information

  • OEM: 12129225
  • Service: See Catalog
  • Description: 24-Way F Micro-Pack 100 Series (GY)

Air Suspension Module

Pin

Wire Color

Circuit No.

Function

1

YE

V-SEVEN

Air Suspension Exhaust Valve Control

2

YE

V-TWO

Air Suspension Inlet Valve-RR Control

3

YE

HS/PT1

5-Volt Reference

4

YE

HS-TWO

Air Suspension Sensor Signal - RR

5

YE

HS-ONE

Air Suspension Sensor Signal - LR

6

YE

ERH-SW

Ride Height Switch Signal

7

YE

HS-GND

Low Reference

8

YE

E-GND

Ground

9

YE

COTWO

Overtemp Signal

10

YE

J1850

Class 2 Serial Data

11

YE

P-T

Air Suspension Pressure Sensor Signal

12

YE

E-BATT

Battery Positive Voltage

13

YE

C-RLY

Air Suspension Relay Control

14

YE

V-ONE

Air Suspension Inlet Valve-LR Control

15

YE

ERH-LED

Ride Height Active Indicator Control

16

YE

INF-LED

Inflator Switch Indicator Control

17

YE

INF-SW

Inflator Switch Signal

18

YE

COONE

Overtemperature Signal

19

YE

PT-GND

Low Reference

20

YE

INF-GND

Inflator Switch Low Reference

21

YE

IGN

Ignition 3 Voltage

22

YE

DA

Dummy Wire

23

YE

S-ONE

Low Reference

24

YE

S-TWO

Low Reference

Air Suspension Pressure Sensor


Object Number: 848684  Size: CH

Connector Part Information

  • OEM: 9800426
  • Service: See Catalog
  • Description: 4-Way F Schlemmer DIN Sealed (GN)

Air Suspension Pressure Sensor

Pin

Wire Color

Circuit No.

Function

1

YE

HS-PT2

5-Volt Reference

2

YE

PT-GND

Low Reference

3

YE

P-T

Air Suspension Pressure Sensor Signal

4

--

--

Not Used

Air Suspension Ride Height Switch


Object Number: 40446  Size: CH

Connector Part Information

  • OEM: 12177194
  • Service: 15305927
  • Description: 6-Way F Metri-Pack 150 Series (WH)

Air Suspension Ride Height Switch

Pin

Wire Color

Circuit No.

Function

A

L-BU

5521

Ride Height Switch Signal

B

BK

1050

Ground

C

WH

5520

Ride Height Active Indicator Control

D

PU/WH

1382

LED Dimming Signal

E

BN/WH

230

Instrument Panel Lamps Dimming Control

F

BN

241

Ignition 3 Voltage

Air Suspension Sensor - Left Rear


Object Number: 831393  Size: CH

Connector Part Information

  • OEM: 15355474
  • Service: See Catalog
  • Description: 6-Way F MQS Sealed (BK)

Air Suspension Sensor - Left Rear

Pin

Wire Color

Circuit No.

Function

1

GY

2165

5-Volt Reference

2

BN

2184

Air Suspension Sensor Signal - LR

3

PU

2185

Low Reference

4-6

--

--

Not Used

Air Suspension Sensor - Right Rear


Object Number: 831393  Size: CH

Connector Part Information

  • OEM: 15355474
  • Service: 12102485
  • Description: 6-Way F MQS Sealed (BK)

Air Suspension Sensor - Right Rear

Pin

Wire Color

Circuit No.

Function

1

PU

2185

Low Reference

2

BN

2227

Air Suspension Sensor Signal - RR

3

GY

2165

5-Volt Reference

4-6

--

--

Not Used

Electronically Controlled Air Suspension Compressor Relay


Object Number: 603108  Size: CH

Connector Part Information

  • OEM: 15336745
  • Service: 15306331
  • Description: 4-Way F GR 280 Series Metri-Pack 800 Sealed (GY)

Electronically Controlled Air Suspension Compressor Relay

Pin

Wire Color

Circuit No.

Function

30

D-GN

322

Air Suspension Compressor Motor Control

85

GY

2672

Air Suspension Relay Control

86

YE

321

Air Suspension Relay Ground

87

RD

4042

Air Suspension Relay Supply Voltage