GM Service Manual Online
For 1990-2009 cars only
Table 1: Accessory Switch C1 (C99)
Table 2: Accessory Switch C2 (2WD w/NW9)
Table 3: Electronic Brake Control Module (EBCM)
Table 4: G Sensor (4WD)
Table 5: Wheel Speed Sensor (WSS) - LF
Table 6: Wheel Speed Sensor (WSS) - RF

Accessory Switch C1 (C99)


Object Number: 130631  Size: CH

Connector Part Information

    • 12064758
    • 3-Way F Metri-Pack 150 Series (BK)

Pin

Wire Color

Circuit No.

Function

A

TN/BK

371

I/P Module Disable Switch - Signal

B

TN/BK

723

I/P Module Disable Switch - Signal

C

YE

1139

Ignition 1 Voltage

Accessory Switch C2 (2WD w/NW9)


Object Number: 802513  Size: CH

Connector Part Information

    • 15332169
    • 14-Way F GT 150 (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

339

Ignition 1 Voltage

B

PU/WH

1572

TCS Requested Indicator Control

C

BN

9

Park Lamp Supply Voltage

D

TN/BK

723

I/P Module Disable Switch - Signal (C99)

E

PK

353

I/P Module Supression Indicator Control (C99)

F

--

--

Not Used

G

GY

8

Instrument Panel Lamp Dimmer Switch Signal

H

BK

2050

Ground

J

BN/WH

1571

Traction Control Switch Signal

K-P

--

--

Not Used

Electronic Brake Control Module (EBCM)


Object Number: 1334459  Size: CH

Connector Part Information

    • 15409795
    • 28-Way F Sealed (GY)

Pin

Wire Color

Circuit No.

Function

1

OG

540

Battery Positive Voltage

2

BK

2050

Ground

3

BK

850

Ground

4

RD

542

Battery Positive Voltage

5

L-BU

20

Stop Lamp Supply Voltage

6

--

--

Not Used

7

PU

1807

Class 2 Serial Data

8-9

--

--

Not Used

10

BN

718

Low Reference (4WD)

11

TN

833

Right Front Wheel Speed Sensor Signal

12

D-GN

872

Right Front Wheel Speed Supply Voltage

13-15

--

--

Not Used

16

PU

1807

Class 2 Serial Data

17

D-BU

716

LNG Rate Signal (4WD)

18

L-BU

830

Left Front Wheel Speed Supply Voltage

19-20

--

--

Not Used

21

PK

1439

Ignition 1 Voltage

22

TN/BK

464

Delivered Torque Signal (2WD)

23

OG/BK

463

Requested Torque Signal (2WD)

24-25

--

--

Not Used

26

YE

873

Left Front Wheel Speed Sensor Signal

27

--

--

Not Used

28

YE/BK

1827

Vehicle Speed Signal

G Sensor (4WD)


Object Number: 1334455  Size: CH

Connector Part Information

    • 15383379
    • 3-Way F 050 SSD Sealed (BK)

Pin

Wire Color

Circuit No.

Function

1

PK

1439

Ignition 1 Voltage

2

D-BU

716

LNG Rate Signal

3

BN

718

Low Reference

Wheel Speed Sensor (WSS) - LF


Object Number: 1334457  Size: CH

Connector Part Information

    • 15409340
    • 2-Way F Sealed (D-GY)

Pin

Wire Color

Circuit No.

Function

1

L-BU

830

Left Front Wheel Speed Supply Voltage

2

YE

873

Left Front Wheel Speed Sensor Signal

Wheel Speed Sensor (WSS) - RF


Object Number: 1334457  Size: CH

Connector Part Information

    • 15409340
    • 2-Way F Sealed (D-GY)

Pin

Wire Color

Circuit No.

Function

1

D-GN

872

Right Front Wheel Speed Supply Voltage

2

TN

833

Right Front Wheel Speed Sensor Signal