GM Service Manual Online
For 1990-2009 cars
Table 1: Park Brake Control Module (PBCM)
Table 2: Park Brake Pressure Sensor
Table 3: Park Brake Pressure Solenoid Valve
Table 4: Park Brake Pump Motor
Table 5: Park Brake Pump Motor Relay
Table 6: Park Brake Solenoid Position Switch
Table 7: Park Brake Switch (JE3/J71)

Park Brake Control Module (PBCM)


Object Number: 95759  Size: CH

Connector Part Information

    • 12092689
    • 24 Way F Micro-Pack 100 Series (YEL)

Pin

Wire Color

Circuit No.

Function

A1

DK BLU /WHT

1934

Brake Lamp Relay Control

A2

PNK

1086

Park Brake Pressure Sensor Voltage Reference

A3-A5

--

--

Not Used

A6

TAN

1935

Service Park Brake Indicator Supply Voltage

A7

YEL/BLK

1931

Park Brake Pressure Valve Solenoid Supply Voltage

A8-A9

--

--

Not Used

A10

LT GRN

1844

Park Brake Auto Apply Indicator Supply Voltage

A11

--

--

Not Used

A12

DK GRN

1079

Park Brake Relay Supply Voltage

B1

PNK

39

Ignition 1 Voltage

B2

DK GRN /WHT

1932

Transmission Shift Select Switch - Park - Signal

B3

PNK/BLK

1929

Park Brake Pump Motor Relay Control

B4

LT GRN /BLK

1933

Transmission Shift Select Switch - Park - Low Reference

B5

ORN

1140

Battery Positive Voltage

B6

LT GRN

1088

Park Brake Pressure Sensor Signal

B7-B9

--

--

Not Used

B10

LT GRN /BLK

1087

Park Brake Pressure Sensor Low Reference

B11

BLK

250

Ground

B12

LT BLU

1134

Park Brake Switch Signal

Park Brake Pressure Sensor


Object Number: 62485  Size: CH

Connector Part Information

    • 12078090
    • 3 Way F Metri-Pack Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

LT GRN /BLK

1087

Park Brake Pressure Sensor Low Reference

B

PNK

1086

Park Brake Pressure Sensor Voltage Reference

C

LT GRN

1088

Park Brake Pressure Sensor Signal

Park Brake Pressure Solenoid Valve


Object Number: 635009  Size: CH

Connector Part Information

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

Pin

Wire Color

Circuit No.

Function

A

YEL/BLK

1931

Park Brake Pressure Valve Solenoid Supply Voltage

B

BLK

150

Ground

Park Brake Pump Motor


Object Number: 668832  Size: CH

Connector Part Information

    • 12124685
    • 3 Way F Metri-Pack 630 Series, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

1930

Park Brake Motor Supply Voltage

B

BLK

150

Ground

C

--

--

Not Used

Park Brake Pump Motor Relay


Object Number: 68749  Size: CH

Connector Part Information

    • 12124169
    • 4 Way F Metri-Pack Mixed Series (BLK)

Pin

Wire Color

Circuit No.

Function

30

RED

742

Battery Positive Voltage

85

BLK

250

Ground

86

DK GRN

1079

Park Brake Relay Supply Voltage

87

ORN

1930

Park Brake Motor Supply Voltage

Park Brake Solenoid Position Switch


Object Number: 537107  Size: CH

Connector Part Information

    • 12052644
    • 2 Way F Metri-Pack 150 Series, Sealed (GRY)

Pin

Wire Color

Circuit No.

Function

A

TAN

1935

Service Park Brake Indicator Supply Voltage

B

BLK

250

Ground

Park Brake Switch (JE3/J71)


Object Number: 82383  Size: CH

Connector Part Information

    • 12047662
    • 2 Way F Metri-Pack 150 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

YEL

1492

Park Brake Switch Supply Voltage

B

YEL/BLK

1931

Park Brake Pressure Valve Solenoid Supply Voltage