GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Chevrolet C-Series Medium Duty Truck B7 🢒 Body and Accessories 🢒 Wiring Systems 🢒 Air Antilock Brake System Connector End Views
Table 1: Brake Pressure Modulator Valve (BPMV) - LF Connector
Table 2: Brake Pressure Modulator Valve (BPMV) - LR Connector
Table 3: Brake Pressure Modulator Valve (BPMV) - RF Connector
Table 4: Brake Pressure Modulator Valve (BPMV) - RR Connector
Table 5: Electronic Brake Control Module (EBCM) C1 Connector
Table 6: Electronic Brake Control Module (EBCM) C2 Connector
Table 7: Wheel Speed Sensor (WSS) - LF Connector
Table 8: Wheel Speed Sensor (WSS) - LR Connector
Table 9: Wheel Speed Sensor (WSS) - RF Connector
Table 10: Wheel Speed Sensor (WSS) - RR Connector

Brake Pressure Modulator Valve (BPMV) - LF Connector


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 Supply Voltage

C

GRY

1901

Left Front Modulator Hold Control

Brake Pressure Modulator Valve (BPMV) - LR Connector


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 Supply Voltage

C

LT BLU/BLK

1914

Left Rear Modulator Hold Control

Brake Pressure Modulator Valve (BPMV) - RF Connector


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 Supply Voltage

C

YEL

1907

Right Front Modulator Hold Control

Brake Pressure Modulator Valve (BPMV) - RR Connector


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 Supply Voltage

C

PNK/BLK

1919

Right Rear Modulator Hold Control

Electronic Brake Control Module (EBCM) C1 Connector


Object Number: 309412 Size: CH

Connector Part Information
    • 12034398
    • 30 Way F Metri-Pack 150 Series, 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

1939

Ignition 1 Voltage

B2-B3

--

--

Not Used

C1

TAN

1908

Right Front Modulator Supply Voltage

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

Brake Lamp Relay Control

F1

DK GRN

1900

Left Front Modulator Exhaust Control

F2-F3

--

--

Not Used

G1

GRY

1901

Left Front Modulator Hold Control

G2

TAN/BLK

1921

SAE J1708 Serial Data A

G3

WHT/BLK

1922

SAE J1708 Serial Data B

H1

LT BLU

1902

Left Front Modulator Supply Voltage

H2

WHT

1909

Right Front Wheel Speed Sensor Signal

H3

BRN/WHT

1910

Right Front Wheel Speed Sensor Low Reference

J1

LT GRN

1903

Left Front Wheel Speed Sensor Signal

J2

ORN

1904

Left Front Wheel Speed Sensor Low Reference

J3

BLK

150

Ground

K1

PNK

1905

Retarder Disable Control

K2

PNK

1939

Ignition 1 Voltage

K3

PNK

1939

Ignition 1 Voltage

Electronic Brake Control Module (EBCM) C2 Connector


Object Number: 230155 Size: CH

Connector Part Information
    • 12040921
    • 18 Way F Metri-Pack 150 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A1

PPL

1920

Right Rear Modulator Supply Voltage

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

GRY/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 Low Reference

F1

ORN

1915

Left Rear Modulator Supply Voltage

F2

DK BLU/WHT

1911

Left Rear Wheel Speed Sensor Signal

F3

DK GRN/WHT

1912

Left Rear Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - LF Connector


Object Number: 258922 Size: CH

Connector Part Information
    • 12162852
    • 2 Way F Metri-Pack 150 Series, Sealed (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 Low Reference

Wheel Speed Sensor (WSS) - LR Connector


Object Number: 258922 Size: CH

Connector Part Information
    • 12162852
    • 2 Way F Metri-Pack 150 Series, Sealed (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 Low Reference

Wheel Speed Sensor (WSS) - RF Connector


Object Number: 258922 Size: CH

Connector Part Information
    • 12162852
    • 2 Way F Metri-Pack 150 Series, Sealed (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 Low Reference

Wheel Speed Sensor (WSS) - RR Connector


Object Number: 258922 Size: CH

Connector Part Information
    • 12162852
    • 2 Way F Metri-Pack 150 Series, Sealed (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 Low Reference