GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Pressure Warning Switch
Table 2: Park Brake Warning Switch
Table 3: EBCM, Connector C1

Brake Pressure Warning Switch


Object Number: 35437  Size: CH

Connector Part Information

    • 12052646
    • ASM 2F Metri-Pack 150 (WHT)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

680

Brake Warning Sensor Signal

B

BLK

150

Ground

Park Brake Warning Switch


Object Number: 35348  Size: CH

Connector Part Information

    • 12004267
    •  1F 56 Series Lock Type (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1134

Park Brake Switch Signal

EBCM, Connector C1


Object Number: 280766  Size: CH

Connector Part Information

    • 12065425
    • 10F Metric-Pack 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

441

Fuse Output - Ignition 3 - Type III Fuse

B

LT GRN

867

ABS Failure Indicator Lamp Output

C

PPL

420

Brake Switch Input

D

BLK/WHT

1695

4WD Front Wheel Lock Telltale Feed

E

YEL/BLK

1827

Vehicle Speed Input

F

TAN/WHT

33

Brake Warning

G

PPL

1807

Serial Data Signal - (10400 Baud)

H

TAN/WHT

680

Brake Warning lamp Output

J

BLK

451

Signal Ground

K

--

--

Not Used