GM Service Manual Online
For 1990-2009 cars only
Table 1: ABS Relay
Table 2: Brake Pressure Modulator Valve, LH Front
Table 3: Brake Pressure Modulator Valve, RH Front
Table 4: Brake Pressure Modulator Valve, LH Rear
Table 5: Brake Pressure Modulator Valve, RH Rear
Table 6: Electronic Brake Control Module C1
Table 7: Electronic Brake Control Module C2
Table 8: Low Air Pressure Switch
Table 9: Wheel Speed Sensor, LH Front
Table 10: Wheel Speed Sensor, RH Front
Table 11: Wheel Speed Sensor, LH Rear
Table 12: Wheel Speed Sensor, RH Rear

ABS Relay


Object Number: 535912  Size: CH

Connector Part Information

    • 12129716
    • 4 Way F Metri-Pack 280 Series, Flexlock, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

30

RED

1442

Battery Positive Voltage

85

PNK

139

Ignition 1 Voltage

86

BLK

150

Ground

87

PNK

839

Ignition 1 Voltage

Brake Pressure Modulator Valve, LH Front


Object Number: 38598  Size: CH

Connector Part Information

    • 12040977
    • 3 Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

1900

Left Front Modulator Exhaust Control

B

LT BLU

1902

Left Front Modulator Signal

C

GRY

1901

Left Front Modulator Hold Control

Brake Pressure Modulator Valve, RH Front


Object Number: 38598  Size: CH

Connector Part Information

    • 12040977
    • 3 Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

PPL

1906

Right Front Modulator Exhaust Control

B

TAN

1908

Right Front Modulator Signal

C

YEL

1907

Right Front Modulator Hold Control

Brake Pressure Modulator Valve, LH Rear


Object Number: 38598  Size: CH

Connector Part Information

    • 12040977
    • 3 Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

GRY/BLK

1913

Left Rear Modulator Exhaust Control

B

ORN

1915

Left Rear Modulator Signal

C

LT BLU/BLK

1914

Left Rear Modulator Hold Control

Brake Pressure Modulator Valve, RH Rear


Object Number: 38598  Size: CH

Connector Part Information

    • 12040977
    • 3 Way F Metri-Pack 280 Series Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/WHT

1918

Right Rear Modulator Exhaust Control

B

PPL

1920

Right Rear Modulator Signal

C

PNK/BLK

1919

Right Rear Modulator Hold Control

Electronic Brake Control Module C1


Object Number: 309412  Size: CH

Connector Part Information

    • 12034398
    • 30 Way F Metri-Pack 150 Series Pull To Seat, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A1

BLK/WHT

1651

Ground

A2

BLK/WHT

1651

Ground

A3

BLK/WHT

1651

Ground

B1

PNK

839

Ignition 1 Voltage

B2-B3

--

--

Not Used

C1

TAN

1908

Right Front Modulator Signal

C2-C3

--

--

Not Used

D1

YEL

1907

Right Front Modulator Hold Control

D2-D3

--

--

Not Used

E1

PPL

1906

Right Front Modulator Exhaust Control

E2

--

--

Not Used

E3

DK BLU

1899

ABS IndicatorLamp Relay Control

F1

DK GRN

1900

Left Front Modulator Exhaust Control

F2-F3

--

--

Not Used

G1

GRA

1901

Left Front Modulator Hold Control

G2

TAN/BLK

1921

SAE J1707 Serial Data A

G3

WHT/BLK

1922

SAE J1707 Serial Data B

H1

LT BLU

1902

Left Front Modulator Signal

H2

WHT

1909

Right Front Wheel Speed Sensor Signal

H3

BRN/WHT

1910

Right Front Wheel Speed Sensor Return

J1

LT GRN

1903

Left Front Wheel Speed Sensor Signal

J2

ORN

1904

Left Front Wheel Speed Sensor Return

J3

--

--

Not Used

K1

PNK

1905

Retarder Disable Control

K2

PNK

839

Ignition 1 Voltage

K3

PNK

839

Ignition 1 Voltage

Electronic Brake Control Module C2


Object Number: 230155  Size: CH

Connector Part Information

    • 12040921
    • 18 Way F Metri-Pack 150 Series Pull To Seat, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A1

PPL

1920

Right Rear Modulator Signal

A2-A3

--

--

Not Used

B1

PNK/BLK

1919

Right Rear Modulator Hold Control

B2-B3

--

--

Not Used

C1

LT GRN/WHT

1918

Right Rear Modulator Exhaust Control

C2-C3

--

--

Not Used

D1

GRA/BLK

1913

Left Rear Modulator Exhaust Control

D2-D3

--

--

Not Used

E1

LT BLU/BLK

1914

Left Rear Modulator Hold Control

E2

LT GRN/BLK

1916

Right Rear Wheel Speed Sensor Signal

E3

LT BLU/WHT

1917

Right Rear Wheel Speed Sensor Return

F1

ORN

1915

Left Rear Modulator Signal

F2

DK BLU /WHT

1911

Left Rear Wheel Speed Sensor Signal

F3

DK GRN /WHT

1912

Left Rear Wheel Speed Sensor Return

Low Air Pressure Switch


Object Number: 236406  Size: CH

Connector Part Information

    • 12065400
    • 2 Way F Metri-Pack 150 Series, Sealed (GRN)

Pin

Wire Color

Circuit No.

Function

A

TAN/WHT

33

Brake Warning Indicator Lamp Control

B

BLK

150

Ground

Wheel Speed Sensor, LH Front


Object Number: 684858  Size: CH

Connector Part Information

    • 12162852
    • 2Way F Metri-Pack 150.2 Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN

1903

Left Front Wheel Speed Sensor Signal

B

ORN

1904

Left Front Wheel Speed Sensor Return

Wheel Speed Sensor, RH Front


Object Number: 684858  Size: CH

Connector Part Information

    • 12162852
    • 2Way F Metri-Pack 150.2 Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

WHT

1909

Right Front Wheel Speed Sensor Signal

B

BRN/WHT

1910

Right Front Wheel Speed Sensor Return

Wheel Speed Sensor, LH Rear


Object Number: 684858  Size: CH

Connector Part Information

    • 12162852
    • 2Way F Metri-Pack 150.2 Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK BLU/WHT

1911

Left Rear Wheel Speed Sensor Signal

B

DK GRN/WHT

1912

Left Rear Wheel Speed Sensor Return

Wheel Speed Sensor, RH Rear


Object Number: 684858  Size: CH

Connector Part Information

    • 12162852
    • 2Way F Metri-Pack 150.2 Pull To Seat (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN/BLK

1916

Right Rear Wheel Speed Sensor Signal

B

LT BLU/WHT

1917

Right Rear Wheel Speed Sensor Return