GM Service Manual Online
For 1990-2009 cars only
Table 1: Electronic Brake Control Module (EBCM) - C1
Table 2: Electronic Brake Control Module (EBCM) - C2 (10/20 Series w/o HP2)
Table 3: Electronic Brake Control Module (EBCM) - C2 (30 Series and HP2)
Table 4: Traction Control Switch (NW7)
Table 5: Wheel Speed Sensor (WSS) - LF
Table 6: Wheel Speed Sensor (WSS) - RF

Electronic Brake Control Module (EBCM) - C1


Object Number: 684792  Size: CH

Connector Part Information

    • 12052613
    • 2-Way F METRI PAC 480 Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK

2150

Ground

B

RED

442

Battery Positive Voltage

Electronic Brake Control Module (EBCM) - C2 (10/20 Series w/o HP2)


Object Number: 365992  Size: CH

Connector Part Information

    • 12193519
    • 16-Way F Micro-Pack 100W (NAT)

Pin

Wire Color

Circuit No.

Function

A1

BRN

441

Ignition 3 Voltage

A2

YEL

873

Left Front Wheel Speed Sensor Low Reference

A3

DK GRN

872

Right Front Wheel Speed Sensor Signal

A4

TAN/BLK

464

Delivered Torque Signal

A5

--

--

Not Used

A6

WHT

1808

Service Traction Control Signal (w/ Traction Assist)

A7

--

--

Not Used

A8

BLK/WHT

1695

Axle Switch Signal (w/o NW7)

BLK/WHT

1695

Traction Control Switch Signal (w/ NW7)

B1

YEL/BLK

1827

Vehicle Speed Signal

B2

LT BLU

830

Left Front Wheel Speed Sensor Signal

B3

TAN

833

Right Front Wheel Speed Sensor Low Reference

B4

ORN/BLK

463

Requested Torque Signal

B5

PPL

420

TCC Brake Switch/Cruise Control Release Signal

B6

LT BLU

1122

ABS/TCS Class 2 Serial Data

B7

--

--

Not Used

B8

PPL

333

Brake Fluid Level Sensor Signal

Electronic Brake Control Module (EBCM) - C2 (30 Series and HP2)


Object Number: 861663  Size: CH

Connector Part Information

    • 15339077
    • 20-Way F Micro-Pack 100W (BLK)

Pin

Wire Color

Circuit No.

Function

A1

YEL

873

Left Front Wheel Speed Sensor Low Reference

A2

DK GRN

872

Right Front Wheel Speed Sensor Signal

A3

PPL

420

TCC Brake Switch/Cruise Control Release Signal

A4-A7

--

--

Not Used

A8

BLK/WHT

1695

Axle Switch Signal

A9

LT BLU

1122

ABS/TCS Class 2 Serial Data

A10

PPL

333

Brake Fluid Level Sensor Signal

B1

LT BLU

830

'Left Front Wheel Speed Sensor Signal

B2

TAN

833

Right Front Wheel Speed Sensor Low Reference

B3

YEL/BLK

1827

Vehicle Speed Signal

B4-B6

--

--

Not Used

B7

ORN/BLK

463

Requested Torque Signal (HP2)

B8-B9

--

--

Not Used

B10

BRN

441

Ignition 3 Voltage

Traction Control Switch (NW7)


Object Number: 524811  Size: CH

Connector Part Information

    • 12186758
    • 8 Way F Metri-Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1851

Ground

B-E

--

--

Not Used

F

BRN/WHT

230

Instrument Panel Lamps Dimming Control

G

BRN/WHT

1571

Axle Switch Signal

H

BRN

441

Ignition 3 Voltage

Wheel Speed Sensor (WSS) - LF


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

830

Left Front Wheel Speed Sensor Signal

B

YEL

873

Left Front Wheel Speed Sensor Low Reference

Wheel Speed Sensor (WSS) - RF


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • 2-Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN

872

Right Front Wheel Speed Sensor Signal

B

TAN

833

Right Front Wheel Speed Sensor Low Reference