GM Service Manual Online
For 1990-2009 cars only
Table 1: Driver Information Display (DID)
Table 2: HUD Dimmer Switch
Table 3: HUD Module
Table 4: Trip Calculator

Driver Information Display (DID)


Object Number: 73163  Size: CH

Connector Part Information

    • 12129406
    • 18 Way P/C Bow Pull To Seat

Pin

Wire Color

Circuit No.

Function

A

DK BLU/ WHT

653

Door Ajar Chime Signal

B

LT BLU/BLK

747

Rear Door Ajar Switch (Left) Signal

C

GRY/BLK

745

Front Door Ajar Switch (Left) Signal

D

PNK

39

Fused Ignition 1 Feed

E

RED/BLK

744

Rear Compartment Ajar Switch Signal

F

GRY

803

Change Oil Indicator Control

G

BLK/ WHT

174

Low Washer Solvent Indicator Lamp Control

H

LT GRN

1656

ABS/ETS Active Indicator Control

I

--

--

Not Used

J

RED

1084

Check Tire Pressure Indicator Control

K

--

--

Not Used

L

PPL/ WHT

1572

Traction Off Indicator Control Lamp

M

BRN/ WHT

1571

Traction Switch Input (ETS)

N

BLK

1550

Ground

O

BLK

1450

Ground

P

GRY

8

Interior Lamp Dim Signal

Q

BLK/ WHT

746

Front Door Ajar Switch (Right) Signal

R

LT GRN/BLK

748

Rear Door Ajar Switch (Right) Signal

HUD Dimmer Switch


Object Number: 62463  Size: CH

Connector Part Information

    • 12064766
    • 8-Way F Metri-Pack 150 Series (BLU)

Pin

Wire Color

Circuit No.

Function

A

PNK

39

Fused Ignition Feed

B

GRY

8

Interior Lamps Feed

C

WHT

717

Display Dimmer Switch Input

D

--

--

Not Used

E

YEL

621

Display Height Motor Up

F

BRN

622

ON Switch Input

G

BLK

1550

Ground

H

BRN

620

Display Height Motor Down

HUD Module


Object Number: 73152  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A1

BRN

622

ON Switch Input

A2

BRN

25

Charge Indicator Input

A3

TAN

31

Oil Pressure Warning Input

A4

DK GRN

35

ECT Indicator Input

A5

DK GRN

835

Serial Data

A6

WHT

717

Display Dimmer Switch Input

A7

DK GRN

389

Vehicle Speed Input

A8

BLK

1550

Ground

B1

YEL

621

Display Height Motor Up Input

B2

BRN

620

Display Height Motor Down Input

B3

LT BLU

811

English/Metric Switch Input

B4

DK BRN/WHT

1194

Low Fuel Indicator Input

B5

LT GRN

11

Headlamp Dimmer High Beam Input

B6

--

--

Not Used

B7

LT BLU

14

Left Turn Signal Input

B8

DK BLU

15

Right Turn Signal Input

Trip Calculator


Object Number: 73144  Size: CH

Connector Part Information

    • 12047946
    • 24 Way Micro-Pack 100 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A1

ORN

640

Fused Battery Feed

A2

BRN

541

Fused Ignition 3 Feed

A3

LT GRN

1656

ABS/TCS Active Indicator Control

A4

RED

1984

Check Tire Pressure Indicator Control

A5

--

--

Not Used

A6

PPL/ WHT

1572

Traction Off Indicator Lamp Control

A7

TAN

800

UART Serial Data Communication

A8

--

--

Not Used

A9

BLK/ WHT

174

Low Washer Solvent Indicator Lamp Control

A10

RED/BLK

744

Rear Compartment Ajar Switch Signal

A11

LT GRN/BLK

748

Rear Door Ajar Switch (Right) Signal

A12

LT BLU/BLK

747

Rear Door Ajar Switch (Left) Signal

B1

GRY

8

Interior Lamp Dim Signal

B2

BRN/ WHT

1571

Traction Switch Input (TCS)

B3

GRY/BLK

308

Park Lamp Switch Signal-Park-Lamps On

B4

BLK

1450

Ground

B5

BLK

1550

Ground

B6

DK GRN

389

Vehicle Speed Signal - 4000 Pulses per Mile

B7

LT BLU

811

English/Metric Switch Signal

B8

DK BLU/WHT

653

Door Ajar Chime Signal

B9

PNK

39

Fused Ignition 1 Feed

B10

--

--

Not Used

B11

GRY/BLK

745

Front Door Ajar Switch (Left) Signal

B12

BLK/ WHT

746

Front Door Ajar Switch (Right) Signal