GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module

Lower rear of IP on the heater assembly

Body Control Module Component Views in Body Control System

Body Control Module Connector End Viewsin Body Control System

Body Control Module Connector C1 (24 Cavities)

Top connector

Body Control Module Component Views in Body Control System

Body Control Module Connector End Views in Body Control System

Brake Pressure Warning Switch

At the RH end of the EBCM

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brakes Connector End Views in Hydraulic Brakes

Data Link Connector (DLC)

Lower LH of the IP

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Electronic Brake Control Module (EBCM) (Part of the BPMV)

At the LF fenderwell, between the UBEC and P100

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Brake Control ModuleConnector C1 (10 Cavities)

The body harness connector on the LH of the EBCM

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Brake Control Module Connector C2 (5 Cavities)

The body harness connector, LH of the EBCM

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Brake Control Module Connector C2 (2 Cavities)

The forward lamp harness connector at the rear of the EBCM

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Front Axle Switch

At the front axle, RH of the differential

Transfer Case Control Component Viewsin Transfer Case

Transfer Case Control Connector End Views in Transfer Case

Instrument Cluster

In the IP, ahead of the steering column

Instrument Panel, Gauges, and Console Component Viewsin Instrument Panel, Gauges, and Console

Instrument Panel, Gauges, and Console Connector End Views in Instrument Panel, Gauges, and Console

IP Fuse Block

LH of the IP, near the LF door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Viewsin Wiring Systems

Park Brake Warning Switch

On park brake bracket assembly

Hydraulic Brake Component Views in Hydraulic Brakes

Hydraulic Brakes Connector End Viewsin Hydraulic Brakes

Powertrain Control Module (PCM)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

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Powertrain Control Module Connector C1 (80 Cavities)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

Powertrain Control Module Connector End Views in Engine Controls --2.2L in Engine

Stop Lamp Switch

Mounted on the brake pedal

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Underhood Fuse Block

Over the LF fenderwell

Power and Grounding Component Viewsin Wiring Systems

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Underhood Fuse Block Connector C1(GRY) (Body, 68 Cavities)

Below the UBEC

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Viewsin Wiring Systems

Underhood Fuse Block Connector C2 (BLK) (2.2L Engine, 68 Cavities)

Below the UBEC

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Fuse Block Connector C2 (BLK) (4.3L engine, 68 Cavities)

Below the UBEC

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Viewsin Wiring Systems

Underhood Fuse Block Connector C6 (GRN) (Body, 2 Cavities)

Below the UBEC

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Control Module (VCM) (4.3L)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

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Vehicle Control Module Connector C1 (32 Cavities) (4.3L)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

Wheel Speed Sensor (WSS), LH

Part of the LH wheel knuckle and hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Wheel Speed Sensor (WSS), RH

Part of the RH wheel knuckle and hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

C101 (10 Cavities) (2.2L)

Engine harness to body harness, RH of the engine compartment, near the PCM

Harness Routing Viewsin Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101 (10 Cavities) (4.3L)

Engine harness to body harness, RH of the engine compartment, near the VCM

Harness Routing Viewsin Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C114 (2 Cavities) (w/ESTC)

Body harness to front axle switch extension harness, LH center of the engine compartment, near the EBCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 ( W/O Auto A/C, 116 Cavities)

Body harness to IP harness, RH of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (W/ Auto A/C, 116 Cavities)

Body harness to IP harness, RH of the IP

Harness Routing Viewsin Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102 (2.2L)

(CKT 350, Engine Harness) RH of the engine block, under the generator

Harness Routing Views in Wiring Systems

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G102 (4.3L)

(CKT 350, Engine Harness) LR of the engine block

Harness Routing Viewsin Wiring Systems

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G105 (2.2L)

(CKT 450, 451, Engine Harness) RR of the engine block, near the Electronic Ignition Control Module

Harness Routing Views in Wiring Systems

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G105 (4.3L)

(CKT 451, Engine Harness) RR of engine block

Harness Routing Viewsin Wiring Systems

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G110

(CKT 150, Body Harness) Inside the LH of the radiator support, near SP100

Harness Routing Views in Wiring Systems

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P100

LH rear of engine compartment, on cowl

Harness Routing Views in Wiring Systems

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S121

(Circuit 1695, Body harness w/ electric shift 4WD) Between the breakouts top the VCM and the blower motor relay, 13 cm from the breakout to the VCM

Harness Routing Views in Wiring Systems

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S138 (W/ Auto A/C)

(Circuit 420, Body Harness) Between the breakout to Vehicle Control Module Connector C4 and the Windshield Wiper Motor breakout, 32 cm from the breakout to the motor

Harness Routing Views in Wiring Systems

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S138 (W/O Auto A/C)

(Circuit 420, Body Harness) Between the breakouts to the Blower Motor Resistor and the Windshield Wiper Motor, 6 cm from the breakout to the resistor

Harness Routing Views in Wiring Systems

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S152 (CKTs 351, 413, and 451, 2.2L Engine Harness)

Between the breakouts to the fuel injector connector and the ICM, 7 cm from the breakout to the fuel injector connector

Harness Routing Views in Wiring Systems

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S152 (CKTs 351, 413, and 451, 4.3L Engine Harness)

Between the breakouts for the LR and RR engine block grounds, 15 cm from the breakout to the LR engine grounds

Harness Routing Viewsin Wiring Systems

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S240

Between the breakouts for Truck Body Control Module Connector C3 and the Instrument Cluster, 4 cm from the breakout to the body control module

Harness Routing Views in Wiring Systems

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Splice Pack SP201 (DLC, Body Harness)

LH of the IP, below the IP fuse block

Harness Routing Views in Wiring Systems

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