GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1998 🢒 GMC C-Series Medium Duty Truck B7 🢒 Brakes 🢒 Air Antilock Brake System 🢒 Engine Exhaust Brake Connector End Views
Table 1: Exhaust Brake Air interlock Relay (ABS Air)
Table 2: Exhaust Brake Solenoid Valve
Table 3: Exhaust Brake Switch

Exhaust Brake Air interlock Relay (ABS Air)


Object Number: 39685 Size: CH

Connector Part Information
    • 12110539
    • 5 Way F Metri-Pack 280 Series Flexlock, Sealed (BLK)

Pin

Wire Color

Circuit No.

Function

30

PPL

1146

Engine Brake Enable Signal

85

PPL

1146

Engine Brake Enable Signal

86

PNK

1905

Retarder Disable Output

87

--

--

Not Used

87A

BLK/WHT

1962

Engine Brake Solenoid Feed

Exhaust Brake Solenoid Valve


Object Number: 68721 Size: CH

Connector Part Information
    • 15300027
    • 2 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1962

Engine Brake Solenoid Feed

B

BLK

150

Ground

Exhaust Brake Switch


Object Number: 62432 Size: CH

Connector Part Information
    • 12041492
    • 5 Way F Metri-Pack 280 Series (BLK)

Pin

Wire Color

Circuit No.

Function

A

BLK/WHT

1962

Engine Brake Solenoid Feed

B

BLK

150

Ground

C

--

--

Not Used

D

WHT

1961

Engine Brake Switch Output

E

BLK/WHT

1962

Engine Brake Solenoid Feed