GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1998 🢒 Aurora 🢒 HVAC 🢒 HVAC Systems - Automatic 🢒 Antilock Brake System Connector End Views
Table 1: ABS Main Relay
Table 2: ABS Pump Relay
Table 3: ABS/TCC Switch
Table 4: Brake Pressure Modulator Valve C1
Table 5: Brake Pressure Modulator Valve C2
Table 6: Brake Pressure Modulator Valve C3
Table 7: Electronic Brake (and Traction) Control Module (EBCM/EBTCM)
Table 8: LH Front Wheel Speed Sensor
Table 9: LH Rear Wheel Speed Sensor
Table 10: RH Front Wheel Speed Sensor
Table 11: RH Rear Wheel Speed Sensor
Table 12: Traction Control Switch

ABS Main Relay


Object Number: 39685 Size: CH

Connector Part Information
    • 12110538
    • 5 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

30

RED

1633

ABS Enable Relay Output - N.O. Contact

85

PNK

1632

ABS Enable Relay Output - Coil

86

BRN

441

Fused Output - Ign 3

87

RED

242

Fused Output - Bat

87A

BLK

351

Ground

ABS Pump Relay


Object Number: 39670 Size: CH

Connector Part Information
    • 12110787
    • 4 Way F Metri-Pack 280 Series (GRY)

Pin

Wire Color

Circuit No.

Function

30

RED

542

Fused Output - Bat

85

RED

1633

ABS Enable Relay Output - N.O. Contact

86

PNK/BLK

854

ABS Pump Motor Relay Output - Coil

87

RED

864

ABS Pump Motor Relay Output - N.O. Contact

ABS/TCC Switch


Object Number: 192386 Size: CH

Connector Part Information
    • 12033704
    • 4 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BRN

241

Fused Output - Ign (Buick)

A

PNK

339

Fused Output - Ign (Oldsmobile)

B

PPL

420

Brake Pedal Switch Output (TCC)

C

TAN

848

Brake Pedal Switch Signal (ABS)

D

LT BLU/BLK

853

Brake Pedal Switch Return (ABS)

Brake Pressure Modulator Valve C1


Object Number: 192411 Size: CH

Connector Part Information
    • 121244827
    • 14 - Way (BLK)

Pin

Wire Color

Circuit No.

Function

1

ORN

1657

ABS Solenoid Output - Valve 1

2

PPL

1658

ABS Solenoid Output - Valve 2

3

DK GRN

858

ABS Inlet Valve Solenoid Feed - Left Front

4

LT BLU

862

ABS Outlet Valve Solenoid Feed - Left Front

5

PNK

857

ABS Inlet Valve Solenoid Feed - Right Front

6

BRN

861

ABS Outlet Valve Solenoid Feed - Right Front

7

GRY

859

ABS Inlet Valve Solenoid Feed - Right Rear

8

DK BLU

863

ABS Outlet Valve Solenoid Feed - Right Rear

9

DK BLU

1290

ABS Inlet Valve Solenoid Feed - Right Rear

10

WHT

1291

ABS Outlet Valve Solenoid Feed - Left Rear

11

LT BLU

1659

ABS High Pressure Switch Signal

12

LT BLU/BLK

853

Brake Pedal Switch Return - ABS

13

RED

1633

ABS Enable Relay Output - N.O. Contact

14

RED

1633

ABS Enable Relay Output - N.O. Contact

Brake Pressure Modulator Valve C2


Object Number: 406834 Size: CH

Connector Part Informaiton
    • 12092394
    • 4 Way M Metri Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

RED

864

ABS Pump Motor Feed

D

LT GRN/BLK

1292

ABS Pump Motor Run Sensor Signal

E

BLK

1450

Ground

F

LT BLU/BLK

1293

ABS Pump Motor Run Sensor Return

Brake Pressure Modulator Valve C3


Object Number: 258295 Size: CH

Connector Part Information
    • 12065454
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

PNK

849

Brake Fluid Level Sensor Signal

B

LT BLU/BLK

853

Brake Pedal Switch Return - ABS

Electronic Brake (and Traction) Control Module (EBCM/EBTCM)


Object Number: 192088 Size: CF

Connector Part Information
    • 12146372/12084812
    • 55 Way (BLK)

Pin

Wire Color

Circuit No.

Function

1

BLK/WHT

1451

Ground

2

LT BLU

862

ABS Outlet Valve Solenoid Feed - Left Front

3

RED

1633

ABS Enable Relay Output - N.O. Contact

4

--

--

Not Used

5

TAN

848

Brake Pedal Switch Signal - ABS

6

TAN/BLK

464

Traction Control System Signal - Torque Delivered

7

BLK

1656

Traction Control System Active Indicator Lamp Output (Oldsmobile)

8

PNK

849

Brake Fluid Level Sensor Signal

9-12

--

--

Not Used

13

LT BLU

1659

ABS High Pressure Switch Signal

14

--

--

Not Used

15

PNK/BLK

854

ABS Pump Motor Relay Output - Coil

16-17

--

--

Not Used

18

DK BLU

863

ABS Outlet Valve Solenoid Feed - Right Rear

19

BLK/WHT

1451

Ground

20

DK GRN

858

ABS Inlet Valve Solenoid Feed - Left Front

21

BRN

861

ABS Outlet Valve Solenoid Feed - Right Front

22

--

--

Not Used

23

TAN

800

Serial Data Signal - Uart (8192 Baud) Primary

24

ORN/BLK

463

Traction Control System Signal - Torque Desired

25

BRN/WHT

1571

Traction Control System Switch Signal

26

LT BLU/BLK

853

Brake Pedal Switch Return - ABS

27

WHT

883

Wheel Speed Sensor Return - Right Rear

28

RED

885

Wheel Speed Sensor Return - Left Rear

29

TAN

833

Wheel Speed Sensor Return - Right Front

30

YEL

873

Wheel Speed Sensor Return - Left Front

31

LT BLU/BLK

1293

ABS Pump Motor Run Sensor Return

32

WHT

17

Stop Lamp Switch Output

33

RED

1633

ABS Enable Relay Output - N.O. Contact

34

PNK

1632

ABS Enable Relay Output - Coil

35

RED

242

Fused Output - Bat

36

WHT

1291

ABS Outlet Valve Solenoid Feed - Left Rear

37

ORN

1657

ABS Solenoid Output - Valve 1

38

PNK

857

ABS Inlet Valve Solenoid Feed - Right Front

40

PPL

1658

ABS Solenoid Output - Valve 2

41

--

--

Not Used

42

TAN

800

Serial Data Signal - UART

43

--

--

Not Used

44

PPL/WHT

1572

Traction Control System Indicator Lamp Output - Failure

45

BRN

882

Wheel Speed Sensor Signal - Right Rear

46

BLK

884

Wheel Speed Sensor Signal - Left Rear

47

DK GRN

872

Wheel Speed Sensor Signal - Right Front

48

LT BLU

830

Wheel Speed Sensor Signal - Left Front

49

LT GRN/BLK

1292

ABS Pump Motor Run Sensor Signal

50-51

--

--

Not Used

52

WHT

852

ABS Signal - ABS Failure

53

BRN

441

Fused Output - Ign 3

54

DK BLU

1290

ABS Inlet Valve Solenoid Feed - Left Rear

55

GRY

859

ABS Inlet Valve Solenoid Feed - Right Rear

LH Front Wheel Speed Sensor


Object Number: 333039 Size: CH

Connector Part Information
    • 12052638
    • 2 Way F Metri - Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

873

Wheel Speed Sensor Return - Left Front

B

WHT

830

Wheel Speed Sensor Signal - Left Front

LH Rear Wheel Speed Sensor


Object Number: 333039 Size: CH

Connector Part Information
    • 12052638
    • 2 Way F Metri - Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

885

Wheel Speed Sensor Return - Left Rear

B

BLK

884

Wheel Speed Sensor Signal - Left Rear

RH Front Wheel Speed Sensor


Object Number: 333039 Size: CH

Connector Part Information
    • 12052638
    • 2 Way F Metri - Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

BLK

833

Wheel Speed Sensor Return - Right Front

B

WHT

872

Wheel Speed Sensor Signal - Right Front

RH Rear Wheel Speed Sensor


Object Number: 333039 Size: CH

Connector Part Information
    • 12052638
    • 2 Way F Metri - Pack 150 Series (GRY)

Pin

Wire Color

Circuit No.

Function

A

WHT

883

Wheel Speed Sensor Return - Right Rear

B

BLK

882

Wheel Speed Sensor Signal - Right Rear

Traction Control Switch


Object Number: 258245 Size: CH

Connector Part Information
    • 12065872
    • 7 Way F Micro-Pack 100 Series (GRY)

Pin

Wire Color

Circuit No.

Function

1

GRY

8

Instrument Panel Lamp Feed

2

BRN/WHT

1571

System Switch Signal

3

BLK

150

Ground

4-5

--

--

Not Used

6

BLK

150

Ground

7

--

--

Not Used