GM Service Manual Online
For 1990-2009 cars only
Table 1: Diode Network Connector
Table 2: Power Brake Booster Fluid Flow Switch Connector
Table 3: Power Brake Booster Pump Relay Connector

Diode Network Connector


Object Number: 62422  Size: CH

Connector Part Information

    • 12015308
    • Printed Circuit Edgeboard Series Standard Connector (BLK)

Pin

Wire Color

Circuit No.

Function

A

ORN

920

Output to Park Brake Alarm

B

PPL

680

Output to Brake Pressure Differential Switch and EBCM

C

LT BLU

1134

Output to Ignition Switch and DRL Module

D

--

--

Not Used

E

YEL/BLK

68

Input from the Engine Coolant Level Switch and IP Cluster LOW COOLANT Indicator

F

WHT/BLK

235

Input from the IP Wiring Harness Junction Block

G

TAN/WHT

33

Input from the DRL Control Module

H

TAN/WHT

33

Input from the DRL Control Module

Power Brake Booster Fluid Flow Switch Connector


Object Number: 68719  Size: CH

Connector Part Information

    • 12162198
    • Metri-Pack 150 Series 2 way Connector (GRY)

Pin

Wire Color

Circuit No.

Function

A

LT BLU /BLK

1928

Input to the Power Brake Booster Fluid Flow Switch from the Power Brake Booster Pump Relay

B

BLK

150

Ground

Power Brake Booster Pump Relay Connector


Object Number: 68749  Size: CH

Connector Part Information

    • 12124169
    • Metri-Pack Mixed Series (BLK)

Pin

Wire Color

Circuit No.

Function

30

RED

642

POWER BRAKE Fuse Input

85

WHT

17

Stoplamps Switch Input

86

LT BLU /BLK

1928

Output to Power Brake Booster Fluid Flow Switch

87

ORN

1470

Output to Power Brake Booster Pump Motor