GM Service Manual Online
For 1990-2009 cars only
Table 1: Instrument Panel Cluster (IPC)
Table 2: Electronic PRNDL

Instrument Panel Cluster (IPC)


Object Number: 1990503  Size: CH

Connector Part Information

    • Connector: 968265-1
    • Cover: 967597-1
    • 32-Way F 0.64 Quadlock Series (BK w/GY Cover)

Terminal Part Information

    • Terminal/Tray: 928999-5/15
    • Core/Insulation Crimp: Pins: 5,16,32 - J/J
    • Core/Insulation Crimp: Pins: 2-3,7,9,11,13-14,17, 19,21,23,25,27-30 - H/H
    • Release Tool/Test Probe: 12094429/J-35616-64B (L-BU)

Pin

Wire Color

Circuit Number

Function

1

--

--

Not Used

2

BN

818

Vehicle Speed Signal

3

D-BU

1537

ABS Indicator Signal

4

--

--

Not Used

5

PK

239

Ignition 1 Voltage

6

--

--

Not Used

7

BK/WH

351

Ground

8

--

--

Not Used

9

PU

1807

Class 2 Serial Data

10

--

--

Not Used

11

L-BU

1134

Park Brake Switch Signal

12

--

--

Not Used

13

TN/WH

771

Transmission Range Switch Signal A

14

YE

772

Transmission Range Switch Signal B

15

--

--

Not Used

16

L-BU/WH

1314

Left Front Turn Signal Lamp Supply Voltage

17

BK/WH

419

MIL Control

18

--

--

Not Used

19

WH

121

Engine Speed Signal

20

--

--

Not Used

21

RD/WH

1440

Battery Positive Voltage

22

--

--

Not Used

23

BK/WH

351

Ground

24

--

--

Not Used

25

PU

1807

Class 2 Serial Data

26

--

--

Not Used

27

PU

333

Brake Fluid Level Sensor Signal

28

PU/WH

1382

LED Dimming Signal

29

GY

773

Transmission Range Switch Signal C

30

WH

776

Transmission Range Switch Signal P

31

--

--

Not Used

32

D-BU/WH

1315

Right Front Turn Signal Lamp Supply Voltage

Electronic PRNDL


Object Number: 1331438  Size: CH

Connector Part Information

    • 12131753
    • 12-Way F (BK)

Pin

Wire Color

Circuit Number

Function

1

YE

243

Accessory Voltage

2

L-GN

5053

Winter Mode Switch Signal

3

GY

5054

Sport Mode Switch Signal

4

BK/WH

771

Transmission Range Switch Signal A

5

YE

772

Transmission Range Switch Signal B

6

BK/WH

451

Ground

7

--

--

Not Used

8

YE

1491

Backlight Lamps Control

9

PU/WH

1382

LED Dimming Signal

10

GY

773

Transmission Range Switch Signal C

11

WH

776

Transmission Range Switch Signal P

12

BK

450

Ground