GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Express 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Hydraulic Brake Connector End Views
Table 1: Brake Pressure Differential Switch
Table 2: EBCM, Connector C1
Table 3: EBCM, Connector C3
Table 4: P/B Booster Fluid Pressure Alarm Switch Connector
Table 5: Power Brake Booster Fluid Flow Alarm Connector
Table 6: Power Brake Booster Fluid Flow Alarm And Pressure Delay Module Connector

Brake Pressure Differential Switch


Object Number: 35437 Size: CH

Connector Part Information
    • 12052646
    • ASM 2F M/P 150 (WHT)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

33

Brake Warning Indicator Lamp Output

B

BLK

150

Ground

EBCM, Connector C1


Object Number: 280766 Size: CH

Connector Part Information
    • 12065425
    • ASM 10F M/P 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

--

--

Not Used

E

YEL/BLK

1827

Vehicle Speed Input

F

TAN/WHT

799

ABS Diagnostic Link (UART)

G

PPL

1807

Serial Data Signal - (Class 2)

H

TAN/WHT

33

Brake Warning lamp Output

J

BLK/WHT

451

Signal Ground

K

--

--

Not Used

EBCM, Connector C3


Object Number: 62489 Size: CH

Connector Part Information
    • 12085030
    • ASM 2F M/P 630 P2S (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

442

Fuse Output - Battery - Type II Fuse

B

BLK

150

Power Ground

P/B Booster Fluid Pressure Alarm Switch Connector


Object Number: 35430 Size: CH

Connector Part Information
    • 12020599
    • ASM 2F M/P 280 (BLK)

Pin

Wire Color

Circuit No.

Function

A

TAN

966

Booster Fluid Pressure Signal

B

GRY

860

Fluid Flow Alarm Signal Signal

Power Brake Booster Fluid Flow Alarm Connector


Object Number: 278870 Size: CH

Connector Part Information
    • 08905825
    • 2F 56 SER LK TYPE(BLACK)

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

965

Return

B

YEL

43

Fuse Output - Accessory - Type III - Fuse

Power Brake Booster Fluid Flow Alarm And Pressure Delay Module Connector


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

LT GRN

966

Sensor Input

D

--

--

Not Used

E

YEL/BLK

965

Sensor Return