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: Instrument Panel Module (IPM) C1
Table 5: Instrument Panel Module (IPM) C2
Table 6: Rear Integration Module (RIM) C1
Table 7: Rear Integration Module (RIM) C2

Dash Integration Module (DIM) C1


Object Number: 62464  Size: CH

Connector Part Information

    • 12064769
    • 10 Way Metri-pack 150 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A - D

--

--

Not Used

E

BLK/WHT

351

Ground

F

--

--

Not Used

G

ORN

540

Fuse Output--Battery

H

YEL

32

Fuse Output--Instrument Panel Lamps

J

--

--

Not Used

K

YEL

1491

Dash Integration Module Output--Backlighting Lamps

Dash Integration Module (DIM) C2


Object Number: 255037  Size: CH

Connector Part Information

    • 12160778
    • 24 Way F Micro-pack 100 Series (BRN)

Pin

Wire Color

Circuit No.

Function

A1

DK BLU

1796

Radio Control Signal--Steering Column

A2 - A10

--

--

Not Used

A11

PPL

1807

Serial Data Signal Class 2

A12

PPL

1807

Serial Data Signal Class 2

B1

--

--

Not Used

B2

WHT

103

Headlamp Switch Signal--Headlamps ON

B3

BRN/WHT

301

Park Lamp Switch Signal--Park Lamps ON

B4

WHT

1538

Dash Integration Module Output--Lights ON With Wipers

B5 - B7

--

--

Not Used

B8

PNK/BLK

1484

Flash To Pass Switch Signal

B9 - B10

--

--

Not Used

B11

PPL/WHT

1382

LED Dimming Signal

B12

--

--

Not Used

Dash Integration Module (DIM) C3


Object Number: 73156  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

WHT

1390

Ignition Switch Output--OFF/RUN/CRANK

A2

BRN

4

Ignition Switch Output--ACCESSORY

A3

PNK

3

Ignition Switch Output--IGNITION 1

A4

LT GRN/BLK

592

Daytime Running Lamp Relay Output--COIL

A5

--

--

Not Used

A6

BLK

28

Horn Relay Output--COIL

A7 - A11

--

--

Not Used

A12

ORN

3340

Fuse Output--BATTERY

B1

ORN

300

Ignition Switch Output--IGNITION 3

B2

--

--

Not Used

B3

PPL

1375

Remote Radio Control Head Feed--ACCESSORY

B4

LT BLU

1485

Flash To Pass Switch Feed

B5

WHT

1080

Park Lamp Relay Output--COIL

B6

--

--

Not Used

B7

BLK/WHT

1969

High Beam Headlamp Relay Output--COIL

B8

DK GRN

1483

Control Power Output

B9 - B11

--

--

Not Used

B12

BLK/WHT

51

Ground

Instrument Panel Module (IPM) C1


Object Number: 333019  Size: CH

Connector Part Information

    • 12110245
    • 32-Way F Micro - Pack 100 Series (PNK)

Pin

Wire Color

Circuit No.

Function

C1

ORN

1140

Fuse Output - Battery - Type III Fuse

C2

BRN

141

Fuse Output - Ignition - Type III Fuse

C3 - C5

--

--

Not Used

C6

PNK/BLK

1597

Ignition Lamp Switch Output - On

C7

PPL

1807

Serial Data Signal Class 2

C8

PPL

1807

Serial Data Signal Class 2

C9 - C10

--

--

Not Used

C11

LT BLU

1788

Traction Control Switch Signal

C12

LT BLU

1880

HVAC Control Assembly Signal - Driver

C13

PPL

1881

HVAC Control Assembly Signal - Clock - Driver

C14 - C16

--

--

Not Used

D1 - D2

--

--

Not Used

D3

BLK

520

Air Temperature Sensor Signal-Heater Right

D4 - D6

--

--

Not Used

D7

LT GRN

80

Key Reminder Switch Signal

D8

PPL

1783

Twilight Sentinal Delay Signal

D9 - D10

--

--

Not Used

D11

GRY/BLK

754

Blower Speed Signal - Speed Control

D12 - D15

--

--

Not Used

D16

BLK/WHT

451

Ground

Instrument Panel Module (IPM) C2


Object Number: 130689  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

GRY

705

Reference Voltage Feed - 5 Volt Reference

A2

YEL/BLK

1814

Mode Valve Position Sensor Signal - Lower

A3

--

--

Not Used

A4

PPL

1838

Air Inlet Valve Position Sensor Signal

A5

LT BLU

733

Air Temperature Value Position Sensor Signal

A6

DK BLU

1646

Air Temperature Value Position Sensor Signal - Passenger

A7

YEL

1791

Air Temperature Value Motor Return

A8

YEL

1318

Mode Valve Motor Feed - Lower

A9

--

--

Not Used

A10

DK GRN

1614

Air Inlet Valve Motor - Feed

A11

DK BLU

1199

Air Temperature Valve Motor Feed

A12

WHT/BLK

1236

Air Temperature Valve Motor Feed - Passenger

B1

LT GRN/BLK

735

Outside Ambient Temperature Sensor Signal

B2

LT BLU/BLK

590

Solar Sensor Signal - Driver

B3

GRY

1548

Solar Sensor Signal - Passenger

B4

DK GRN

734

Inside Temperature Sensor Signal

B5

WHT

278

Photocell Signal

B6

BLK

516

Air Temperature Sensor Signal - A/C Left

B7

TAN

517

Air Temperature Sensor Signal - A/C Right

B8

YEL

61

Outside Ambient Temperature Sensor Right

B9

BLK

518

Air Temperature Sensor Signal - Heater Left

B10

--

--

Not Used

B11

DK GRN

44

Instrument Panel Lamps Dimmer Switch Output

B12

LT BLU/BLK

1688

Reference Voltage Feed 5 Volt Reference

Rear Integration Module (RIM) C1


Object Number: 73152  Size: CH

Connector Part Information

    • 12084944
    • 16 Way F Micro-pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1-A3

--

--

Not Used

A4

PNK

1039

Fuse Output - Ignition 1

A5

DK BLU/WHT

149

Inadvertant Power Input (Courtesy Lamp)

A6

GRY

2165

Electronic Level Control Position Sensor Feed - 5 Volt Reference

A7

--

--

Not Used

A8

BLK/WHT

851

Ground - Clean

B1

--

--

Not Used

B2

DK BLU

2181

Passenger Heated Seat Control Module Signal - Status

B3

RED/BLK

744

Trunk Ajar Switch Signal

B4

--

--

Not Used

B5

LT BLU/WHT

181

Heated Seat Control Module Signal - Status

B6

PPL

2185

Electronic Level Control Position Sensor Return

B7

--

--

Not Used

B8

BLK/WHT

851

Ground - Clean

Rear Integration Module (RIM) 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

BLK

755

Delayed Accessory Bus Relay Output - Coil - Accessory Relay

A2-A4

--

--

Not Used

A5

PNK/BLK

1615

Park Relay Output - Coil

A6

DK GRN

1399

Delayed Accessory Bus Relay Feed - Coil - Cigar Lighter Relay

A7

YEL

321

Electronic Level Control Relay Output - Coil-Compressor

A8

--

--

Not Used

A9

BRN

2184

Electronic Level Control Position Sensor Signal

A10

GRY

157

Interior Lamp Output

A11

ORN

540

Fuse Output - Battery

A12

PPL

1807

Serial Data Signal - Class 2

B1

WHT

193

Relay Defogger Relay Output - Coil

B2

LT BLU

2182

Reverse Lamp Relay Output - Coil

B3

--

--

Not Used

B4

LT BLU

1344

Trunk Release Relay Output - Coil

B5

TAN

2183

Inadvertent Power Relay Output - Coil

B6

PNK

1501

(Limited) Heated Seat Signal - Driver - High/Low

B7

PNK/BLK

1503

(Limited) Heated Seat Signal - Driver - High/Low

B8

WHT

320

Electronic Level Control Exhaust Solenoid

B9

--

--

Not Used

B10

GRY

157

Interior Lamp Output

B11

--

--

Not Used

B12

PPL

1807

Serial Data Signal - Class 2