GM Service Manual Online
For 1990-2009 cars only
Table 1: Brake Pressure Differential Switch
Table 2: EBCM, Connector C1
Table 3: EBCM, Connector C2
Table 4: EBCM, Connector C3
Table 5: TCC/Stop Lamp Switch
Table 6: Vehicle Speed Sensor Buffer (VSSB)
Table 7: Wheel Speed Sensor

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

PPL

680

ABS Pressure Differential Sensor Signal

B

BLK

150

Ground

EBCM, Connector C1


Object Number: 570216  Size: CH

Connector Part Information

    • 12065425
    • ASM 10F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

441

Ignition 3 Voltage

B

LT GRN

867

ABS Indicator Failure Control

C

PPL

420

TCC Brake Switch Signal

D

--

--

Not Used

E

YEL/BLK

1827

Vehicle Speed Signal

F

TAN/WHT

799

ABS Serial Data

G

PPL

1807

Class 2 Serial Data - w/o L18

G

--

--

Not Used - w/L18

H

PPL

680

ABS Pressure Differential Sensor Signal

J

TAN/WHT

551

Ground - w/o L65

J

BLK/WHT

451

Ground - w/L65

K

--

--

Not Used

EBCM, Connector C2


Object Number: 779050  Size: CH

Connector Part Information

    • 12124662
    • 5F M/P 150 (BRN)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

830

Left Front Wheel Speed Sensor Signal

B

--

--

Not Used

C

DK GRN

872

Right Front Wheel Speed Sensor Signal

D

YEL

873

Left Front Wheel Speed Sensor Low Reference

E

TAN

833

Right Front Wheel Speed Sensor Low Reference

EBCM, Connector C3


Object Number: 684800  Size: CH

Connector Part Information

    • 12085030
    • ASM 2F M/P 630 PS2 (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

442

Battery Positive Voltage

B

BLK

150

Ground

TCC/Stop Lamp Switch


Object Number: 62424  Size: CH

Connector Part Information

    • 12040551
    • 6F M/P 480 (BLK)

Pin

Wire Color

Circuit No.

Function

A

DK GRN/WHT

1135

A/T Shift Lock Solenoid Supply Voltage

B

LT GRN

275

Neutral Safety Switch Park Signal

C

PPL

420

TCC Brake Switch Signal

D

BRN

441

Ignition 3 Voltage

E

ORN

140

Battery Positive Voltage

F

WHT

17

Stop Lamp Switch Signal

Vehicle Speed Sensor Buffer (VSSB)


Object Number: 62467  Size: CH

Connector Part Information

    • 12066130
    • ASM 9F MIC/P 100 (NAT)

Pin

Wire Color

Circuit No.

Function

7

LT GRN/BLK

822

VSS Low Signal

8

BLK/WHT

451

Ground

9

PNK

39

Ignition 1 Voltage

10

YEL/BLK

1827

Vehicle Speed Signal

11

--

--

Not Used

12

PPL/WHT

821

VSS High Signal

13

BRN

437

Vehicle Speed Signal

14

--

--

Not Used

15

DK GRN

389

Vehicle Speed Signal

Wheel Speed Sensor


Object Number: 635009  Size: CH

Connector Part Information

    • 12052641
    • ASM 2F M/P 150 (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT BLU

830

Left Front Wheel Speed Sensor Signal

A

TAN

833

Right Front Wheel Speed Sensor Low Reference

B

YEL

873

Left Front Wheel Speed Sensor Low Reference

B

DK GRN

872

Right Front Wheel Speed Sensor Signal