GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2003 🢒 Express 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Hydraulic Brake Connector End Views
Table 1: Brake Fluid Level Switch (Heavy Duty)
Table 2: Brake Pressure Differential Switch (Light Duty)
Table 3: Park Brake Switch
Table 4: Power Brake (P/B) Booster Fluid Pressure Alarm Switch (UJ1)

Brake Fluid Level Switch (Heavy Duty)


Object Number: 646406 Size: CH

Connector Part Information
    • 15336004
    • 2-Way F GT 150 Sealed 3.2 X 4.0 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

1250

Ground

B

PPL

333

Brake Fluid Level Switch Signal

Brake Pressure Differential Switch (Light Duty)


Object Number: 847209 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

BLK

150

Ground

B

PPL

333

Brake Fluid Pressure Switch Signal

Park Brake Switch


Object Number: 35348 Size: CH

Connector Part Information
    • 12004267
    • 1-Way F 56 Series Lock Type (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

1134

Park Brake Switch Signal

Power Brake (P/B) Booster Fluid Pressure Alarm Switch (UJ1)


Object Number: 646148 Size: CH

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

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

33

Brake Booster Fluid Switch Signal

B

LT BLU/BLK

1928

Brake Booster Fluid Switch Signal