GM Service Manual Online
For 1990-2009 cars only
Table 1: Electronic Brake Control Module (EBCM)
Table 2: I/P Switch Assembly - C1 (Pontiac)
Table 3: I/P Switch Assembly C4 - JM4 (Buick)
Table 4: Wheel Speed Sensor - LF
Table 5: Wheel Speed Sensor - LR
Table 6: Wheel Speed Sensor - RF
Table 7: Wheel Speed Sensor - RR

Electronic Brake Control Module (EBCM)


Object Number: 684893  Size: CH

Connector Part Information

    • 15326390
    • 30-Way F GT 150 280 Series Sealed 4.0 5.8 (BK)

Pin

Wire Color

Circuit No.

Function

1

--

--

Not Used

2

BN

882

Right Rear Wheel Speed Sensor Signal

3

WH

883

Right Rear Wheel Speed Sensor Low Reference

4

D-GN

872

Right Front Wheel Speed Sensor Signal

5

TN

833

Right Front Wheel Speed Sensor Low Reference

6

WH

17

Stop Lamp Switch Signal

7

--

--

Not Used

8

PK

1039

Ignition 1 Voltage

9

TN/BK

464

Delivered Torque Signal (NW9 or M76)

10

--

--

Not Used

11

WH

121

Engine Speed Signal (NW9 or M76)

12

BK/WH

251

Ground

13

RD

1442

Battery Positive Voltage

14

OG

1740

Battery Positive Voltage

15

BK/WH

251

Ground

16-19

--

--

Not Used

20

L-BU

830

Left Front Wheel Speed Sensor Signal

21

YE

873

Left Front Wheel Speed Sensor Low Reference

22

BK

884

Left Rear Wheel Speed Sensor Signal

23

RD

885

Left Rear Wheel Speed Sensor Low Reference

24

--

--

Not Used

25

L-BU

1122

ABS/TCS Class 2 Serial Data

26

--

--

Not Used

27

OG/BK

463

Requested Torque Signal

28-30

--

--

Not Used

I/P Switch Assembly - C1 (Pontiac)


Object Number: 646190  Size: CH

Connector Part Information

    • 12162455
    • 8-Way F 280 Series (NA)

Pin

Wire Color

Circuit No.

Function

A

GY

8

Instrument Panel Lamp Supply Voltage

B

BK

150

Ground

C

WH/BK

1221

Lift Gate Release Switch Signal

D

BN/WH

1571

Traction Control Switch Signal

E-H

--

--

Not Used

I/P Switch Assembly C4 - JM4 (Buick)


Object Number: 646190  Size: CH

Connector Part Information

    • 12162455
    • 8-Way F 280 Series (NAT)

Pin

Wire Color

Circuit No.

Function

A

GY

8

Instrument Panel Lamp Supply Voltage

B

BK

150

Ground

C-D

--

--

Not Used

E

BN/WH

1571

Traction Control Switch Signal (NW9)

F

--

--

Not Used

G

L-GN

9380

Rear Parking Assist Disable Switch Input (UD7)

H

BN

241

Ignition 3 Voltage

Wheel Speed Sensor - LF


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2-Way F Metri-Pack 150 Series Sealed (WH)

Pin

Wire Color

Circuit No.

Function

A

YE

873

Left Front Wheel Speed Sensor Low Reference

B

L-BU

830

Left Front Wheel Speed Sensor Signal

Wheel Speed Sensor - LR


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2-Way F Metri-Pack 150 Series Sealed (WH)

Pin

Wire Color

Circuit No.

Function

A

WH

883

Right Rear Wheel Speed Sensor Low Reference

B

BK

882

Right Rear Wheel Speed Sensor Signal

Wheel Speed Sensor - RF


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2-Way F Metri-Pack 150 Series Sealed (WH)

Pin

Wire Color

Circuit No.

Function

A

D-GN

872

Right Front Wheel Speed Sensor Signal

B

TN

833

Right Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor - RR


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2-Way F Metri-Pack 150 Series Sealed (WH)

Pin

Wire Color

Circuit No.

Function

A

WH

883

Right Rear Wheel Speed Sensor Low Reference

B

BK

882

Right Rear Wheel Speed Sensor Signal