GM Service Manual Online
For 1990-2009 cars only

Air Brake System Connector End Views w/o CTF

Table 1: Air Brake Dryer (JE4 and JTU)
Table 2: Low Air Pressure Switch - Primary (JE4)
Table 3: Low Air Pressure Switch - Secondary (JE4)
Table 4: Park Brake Switch (JE4)

Air Brake Dryer (JE4 and JTU)


Object Number: 646148  Size: CH

Connector Part Information

    • 12020599
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

303

Ignition 1 Voltage

B

BK

304

Ground

Low Air Pressure Switch - Primary (JE4)


Object Number: 876326  Size: CH

Connector Part Information

    • 12065402
    • 2-Way F Metri-Pack 150 Series Sealed (BN)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Available

C

BK

307

Ground

D

BN

305

Low Air Pressure Sensor Signal

Low Air Pressure Switch - Secondary (JE4)


Object Number: 876326  Size: CH

Connector Part Information

    • 12065402
    • 2-Way F Metri-Pack 150 Series Sealed (BN)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Available

C

BK

50

Ground

D

BN

49

Low Air Pressure Sensor Signal

Park Brake Switch (JE4)


Object Number: 903275  Size: CH

Connector Part Information

    • 7322-1424-40
    • 2-Way M Yazaki (L-GY)

Pin

Wire Color

Circuit No.

Function

A

OG

602

Park Brake Switch Signal

B

BK

608

Ground

Air Brake System Connector End Views CTF

Table 1: Air Brake Dryer (JE4 and JTU)
Table 2: Low Air Pressure Switch - Primary (JE4)
Table 3: Low Air Pressure Switch - Secondary (JE4)
Table 4: Park Brake Switch (JE4)

Air Brake Dryer (JE4 and JTU)


Object Number: 646148  Size: CH

Connector Part Information

    • 12020599
    • 2-Way F Metri-Pack 280 Series Sealed (BK)

Pin

Wire Color

Circuit No.

Function

A

PK

BB52

Ignition 1 Voltage

B

BK

BY08

Ground

Low Air Pressure Switch - Primary (JE4)


Object Number: 876326  Size: CH

Connector Part Information

    • 12065402
    • 2-Way F Metri-Pack 150 Series, Sealed (BN)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Available

C

BK

MX04

Ground

D

BN

MA09

Low Air Pressure Sensor Signal

Low Air Pressure Switch - Secondary (JE4)


Object Number: 876326  Size: CH

Connector Part Information

    • 12065402
    • 2-Way F Metri-Pack 150 Series Sealed (BN)

Pin

Wire Color

Circuit No.

Function

A-B

--

--

Not Available

C

BK

50

Ground

D

BN

49

Low Air Pressure Sensor Signal

Park Brake Switch (JE4)


Object Number: 903275  Size: CH

Connector Part Information

    • 7322-1424-40
    • 2-Way M Yazaki (L-GY)

Pin

Wire Color

Circuit No.

Function

A

D-BU/BK

BF02

Park Brake Switch Signal

B

BK

BU01

Ground