GM Service Manual Online
For 1990-2009 cars only
Table 1: Park Brake Warning Switch Connector
Table 2: Brake Differential Pressure Warning Switch
Table 3: Electronic Brake Control Module (EBCM) - C2

Park Brake Warning Switch Connector


Object Number: 35348  Size: CH

Connector Part Information

    • 12004267
    •  1 Way F 56 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1134

Park Brake Switch Signal

Brake Differential Pressure Warning Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12052646
    • 2-Way F Metri-Pack 150 Series Sealed (White)

Pin

Wire Color

Circuit No.

Function

A

BLK

350

Ground

B

PPL

680

ABS Pressure Differential Switch Input Signal

Electronic Brake Control Module (EBCM) - C2


Object Number: 287956  Size: CH

Connector Part Information

    • 12177081
    • 10-Way F GT 150 Sreies (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

441

Fused Output Ignition 3

B

--

--

Not Used

C

PPL

420

Brake Switch Input Signal

D

--

--

Not Used

E

YEL/BLK

1827

Vehicle Speed Signal 128,000 Pulses Per Mile

F

--

--

Not Used

G

LT BLU

1122

Serial Data Signal Class B 10,400 Baud Primary

H

PPL

680

ABS Differential Pressure Sensor Signal

J

BLK/WHT

451

PCM Ground

K

--

--

Not Used