GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Pressure Differential Switch
Table 2: P/B Booster Fluid Pressure Alarm Switch
Table 3: Power Brake Booster Fluid Flow Alarm
Table 4: Power Brake Booster Fluid Flow and Pressure Alarm Delay Module

Brake Pressure Differential Switch


Object Number: 35437  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

PPL

680

ABS Pressure Differential Sensor Signal

B

BLK

150

Ground

P/B Booster Fluid Pressure Alarm Switch


Object Number: 646148  Size: CH

Connector Part Information

    • 12020599
    • ASM 2F Metri-Pack 280 (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

849

Brake Fluid Level Sensor Signal

B

DK GRN

860

Fluid Flow Alarm Signal

Power Brake Booster Fluid Flow Alarm


Object Number: 278870  Size: CH

Connector Part Information

    • 08905825
    • 2F 56 SER LK TYPE (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

1471

Brake Warning Indicator Supply Voltage 2

B

BRN

441

Ignition 3 Voltage

Power Brake Booster Fluid Flow and Pressure Alarm Delay Module


Object Number: 278871  Size: CH

Connector Part Information

    • 08900655
    • 5W 56 PIC BD-FORK (NAT)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Used

C

PNK

849

Brake Fluid Level Sensor Signal

D

--

--

Not Used

E

YEL/BLK

1471

Brake Warning Indicator Supply Voltage 2