GM Service Manual Online
For 1990-2009 cars only
Table 1: Dash Integration Module (DIM) C1
Table 2: Dash Integration Module (DIM) C2
Table 3: Dash Integration Module (DIM) C3
Table 4: Ignition Switch C1
Table 5: Ignition Switch C2
Table 6: Instrument Panel Integration Module (IPM) C1
Table 7: Instrument Panel Integration Module (IPM) C2
Table 8: Rear Integration Module (RIM) C1
Table 9: Rear Integration Module (RIM) C2

Dash Integration Module (DIM) C1


Object Number: 130689  Size: CH

Connector Part Information

    • 12110244
    • 24 Way F Micro-Pack 100 Series (PNK)

Pin

Wire Color

Circuit No.

Function

A1

WHT

1390

Ignition Positive Voltage

A2

BRN

4

Ignition Positive Voltage

A3

PNK

3

Ignition Positive Voltage

A4

LT GRN/BLK

592

DRL Relay Control

A5

WHT

111

Exterior Lamps Theft Flash Control

A6

BLK

28

Horn Relay Control

A7

DK GRN/WHT

1317

Foglamp Relay Control

A8

LT GRN

1652

Reverse Lockout Solenoid Output

A9-A11

--

--

Not Used

A12

ORN

3340

Battery Positive Voltage (B+) Sense Input

B1

ORN

300

Ignition Positive Voltage

B2

YEL

5

Ignition Positive Voltage

B3

PPL

1375

Steering Wheel Controls Return

B4

LT BLU

1970

Headlamp Control

B5

WHT

1080

Parklamp Relay Output

B6

BRN

1429

Standing Lamp Relay (Export)

B7

BLK/WHT

1969

Flash-To-Pass Control/High Beam Input

B8

DK GRN

1483

Control Power

B9-B11

--

--

Not Used

B12

BLK/WHT

50

Ground

Dash Integration Module (DIM) C2


Object Number: 130690  Size: CH

Connector Part Information

    • 12110206
    • 24 Way F Micro-Pack 100 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A1

DK BLU

1796

Steering Wheel Control Input

A2-A5

--

--

Not Used

A6

BLK

470

Low Side Temperature Sensor Return

A7

GRY

731

Low Side Temperature Sensor Signal

A8-A10

--

--

Not Used

A11

PPL

1807

Class 2 Serial Data Line

A12

PPL

1807

Class 2 Serial Data Line

B1

PNK/BLK

109

Hood Ajar Switch Input (Export)

B2

WHT

103

Headlamp Switch Input

B3

BRN/WHT

301

Parklamp Switch Input

B4

WHT

1538

Wipers On Input

B5-B7

--

--

Not Used

B8

PNK/BLK

1484

Flash To Pass Switch Input

B9-B12

--

--

Not Used

Dash Integration Module (DIM) C3


Object Number: 62464  Size: CH

Connector Part Information

    • 12064769
    • 10 Way F Micro-Pack 150 Series (Natural)

Pin

Wire Color

Circuit No.

Function

A-D

--

--

Not Used

E

BLK/WHT

451

Ground

F

--

--

Not Used

G

ORN

540

Battery Positive Voltage (B+)

H

YEL

32

Dimming Feed

J

--

--

Not Used

K

YEL

1491

Incandescent Dimming Control

Ignition Switch C1


Object Number: 258182  Size: CH

Connector Part Information

    • 12162229
    • 6 Way F Metri-Pack Mixed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

540

Battery Positive Voltage (B+)

B

PNK

3

Ignition Positive Voltage

C

BRN

4

Ignition Positive Voltage

D

--

--

Not Used

E

BLK/WHT

451

Ground

F

--

--

Not Used

Ignition Switch C2


Object Number: 258183  Size: CH

Connector Part Information

    • 12110075
    • 6 Way (NAT)

Pin

Wire Color

Circuit No.

Function

A

ORN

540

Battery Positive Voltage (B+)

B

YEL

5

Battery Positive Voltage (B+)

C

ORN

300

Ignition Positive Voltage

D

LT GRN

80

Key Reminder Switch Signal

E

WHT

1390

Ignition Positive Voltage

F

--

--

Not Used

Instrument Panel Integration Module (IPM) C1


Object Number: 73157  Size: CH

Connector Part Information

    • 12110207
    • 32 Way F Micro-Pack 100 Series (LT BLU)

Pin

Wire Color

Circuit No.

Function

C1

ORN

440

Battery Positive Voltage (B+)

C2

BRN

41

Ignition Positive Voltage

C3-C4

--

--

Not Used

C5

GRY/BLK

1598

Interior Lamp Switch Input - Off

C6

PNK/BLK

1597

Interior Lamp Switch Input - On

C7

PPL

1807

Class 2 Serial Data Line

C8

PPL

1807

Class 2 Serial Data Line

C9

ORN

192

Front Foglamp Switch Input

C10

LT BLU

187

Rear Foglamp Switch Input (Export)

C11

LT BLU

1788

Traction Control Switch Input

C12-C16

--

--

Not Used

D1-D2

--

--

Not Used

D3

BLK

520

RH Heater Temperature Sensor Input

D4

--

--

Not Used

D5

BLK

1576

Rear Release Switch Input

D6

PNK/WHT

1447

Fuel Door Release Switch Input

D7

LT GRN

80

Key In Ignition Input

D8

PPL

1783

Twilight Delay Input

D9- D10

--

--

Not Used

D11

GRY/BLK

754

PWM Blower Speed Control

D12

--

--

Not Used

D13

LT BLU/WHT

1595

Ignition Key Cylinder Lamp Control

D14

YEL/BLK

1491

Panel Dimming Input

D15

YEL

1369

LCD Display 55 Volt Feed

D16

BLK/WHT

451

Ground

Instrument Panel Integration Module (IPM) C2


Object Number: 130690  Size: CH

Connector Part Information

    • 12110206
    • 24 Way F Micro-Pack 100 Series (LT BLU)

Pin

Wire Color

Circuit No.

Function

A1

GRY

705

5 Volt Reference

A2

YEL/BLK

1814

Mode Actuator Position Sensor Input

A3

--

--

Not Used

A4

PPL

1838

Air Inlet Actuator Position Sensor Input

A5

LT BLU

733

Driver Air Mix Actuator Position Sensor Input - Door 1

A6

DK BLU

1646

Passenger Air Mix Actuator Position Sensor Input - Door 2

A7

YEL

1791

Actuator Return

A8

YEL

1318

Mode Actuator Feed

A9

--

--

Not Used

A10

DK GRN

1614

Air Inlet Actuator Feed

A11

DK BLU

1199

Driver Air Mix Actuator Feed

A12

WHT/BLK

1236

Passenger Air Mix Actuator Feed

B1

LT GRN/BLK

735

Ambient Air Temperature Sensor Input

B2

LT BLU/BLK

590

LH Sun Load Temperature Sensor Input

B3

GRY

1548

RH Sun Load Temperature Sensor Input

B4

DK GRN

734

Inside Air Temperature Sensor Input

B5

WHT

278

Ambient Light Sensor Input

B6

BLK

516

LH A/C Temperature Sensor Input

B7

TAN

517

RH A/C Temperature Sensor Input

B8

YEL

61

Sensor Return

B9

BLK/WHT

518

LH Heater Temperature Sensor Input

B10

--

--

Not Used

B11

DK GRN

44

IP Dimmer Switch Input

B12

LT BLU/BLK

1688

5 Volt Reference

Rear Integration Module (RIM) C1


Object Number: 73152  Size: CH

Connector Part Information

    • 12084945
    • 16 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

ORN

540

Battery Positive Voltage (B+)

A2

DK GRN

1399

Cigar Lighter Relay Control

A3

PNK

1039

Ignition Positive Voltage

A4

--

--

Not Used

A5

LT GRN

1617

LH Rear Heated Seat Control

A6

GRY

1629

RH Rear Heated Seat Control

A7

PPL

30

Fuel Level Input Signal

A8

DK GRN

646

Reverse Relay Control

B1

--

--

Not Used

B2

DK BLU/WHT

149

Inadvertent Power Input

B3

BLK/WHT

651

Fuel Gauge Sensor Return

B4

GRY

1599

Interior Lamp Relay Control

B5

YEL

182

Heated Seat Inhibit Control

B6

--

--

Not Used

B7

BLK

1051

Ground

B8

BLK

1051

Ground

Rear Integration Module (RIM) C2


Object Number: 73156  Size: CH

Connector Part Information

    • 12110088
    • 24 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A1

GRY/BLK

690

Rear Courtesy Lamp Relay Control

A2

DK BLU

1393

Front Courtesy Lamp Relay Control

A3

BLK

755

Retained Accesory Power Relay Control

A4

WHT

93

Fuel Door Release Relay Control

A5

LT BLU

1344

Trunk Release Relay Control

A6

TAN

1592

Rear Blower Relay Control

A7

--

--

Not Used

A8

WHT

193

Rear Defog Relay Control

A9

YEL

1977

Rear Foglamp Control (Export)

A10

LT GRN/BLK

1605

Park Brake Relay B Control

A11

PNK

1607

Park Brake Relay A Control

A12

BLK

305

Rear Compartment Lid Tamper Switch Signal

B1

--

--

Not Used

B2

PNK/BLK

1615

Park Relay Control

B3

PPL

1807

Class 2 Serial Data Line

B4

PPL

1807

Class 2 Serial Data Line

B5

--

--

Not Used

B6

RED/BLK

744

Trunk Ajar Switch Input

B7

--

--

Not Used

B8

DK GRN

2073

Sunroof Control Module (w/ CF5)

B9

LT BLU/WHT

181

Heated Seat Module Status Signal

B10-B12

--

--

Not Used