GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Fluid Level Switch
Table 2: Brake Pressure Differential Switch
Table 3: Hydroboost Pressure Switch
Table 4: Park Brake Switch
Table 5: Supplemental Brake Assist Pump Motor

Brake Fluid Level Switch


Object Number: 232831  Size: CH

Connector Part Information

    • 12162194
    • 2 Way F Metri-Pack 150.2 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

550

Ground

B

PPL

333

Brake Fluid Level Sensor Signal

Brake Pressure Differential Switch


Object Number: 847209  Size: CH

Connector Part Information

    • 12052646
    • 2-Way F M/P 150 SLD (WHT)

Pin

Wire Color

Circuit Number

Function

A

PPL

333

Brake Fluid Level Sensor Signal

B

BLK

550

Ground

Hydroboost Pressure Switch


Object Number: 646148  Size: CH

Connector Part Information

    • 12020599
    • 2-Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit Number

Function

A

LT BLU/

BLK

1928

Brake Booster Fluid Flow Switch Signal

B

PPL

333

Brake Fluid Level Sensor Signal

Park Brake Switch


Object Number: 365953  Size: CH

Connector Part Information

    • 12092133
    • 1 Way F Metri-Pack 630 Self Lk Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1134

Park Brake Switch Signal

Supplemental Brake Assist Pump Motor


Object Number: 886053  Size: CH

Connector Part Information

    • 15326830
    • 6-Way F GT 150 (BLK)

Pin

Wire Color

Circuit Number

Function

A

BLK

1050

Ground

B

PNK

139

Ignition 1 Voltage

C

BLK/WHT

1851

Ground

D

BLK/WHT

5668

Engine ON Signal

E

DK GRN/

WHT

817

Vehicle Speed Signal

F

DK BLU

2713

Supplemental Brake Assist Signal