GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Battery

RH front of engine compartment

Engine Electrical Component Views

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Battery MegaFuse

Inside lower RH side of radiator support below the battery

Engine Electrical Component Views

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Clutch Pedal Position Switch

On clutch pedal support bracket

Engine Electrical Component Views

Engine Electrical Connector End Views

Generator (2.2L Engine)

RH front of engine

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Generator (4.3L Engine)

RH front of engine

Engine Controls Component Views in Engine Controls - 4.3L

Engine Controls Connector End Views in Engine Controls - 4.3L

Ignition Switch

On RH side of the steering column

Power and Grounding Component Views in Wiring Systems

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Instrument Cluster

In the IP ahead of the steering column

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

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

IP Fuse Block

LH side of the IP near the left front side door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Park/Neutral Position (PNP) Switch, Connector C1 (7 Cavities)

LH side of transmission

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Powertrain Control Module (PCM)

Right hand side of engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

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Powertrain Control Module (PCM) Connector C1 (2.2L Engine)

Right hand side of engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

Engine Controls Connector End Views in Engine Controls - 2.2L

Starter (2.2 L Engine)

Lower LH side of engine

Engine Electrical Component Views

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Starter (4.3 L Engine)

Lower RH front of engine

Engine Electrical Component Views

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Starter Relay

In the UBEC

Engine Electrical Component Views

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Transfer Case Shift Control Module

Behind RH Front kick panel, the lower connector

Transfer Case Control Component Views in Transfer Case - NV-136

Transfer Case Control Connector End Views in Transfer Case - NV-136

Underhood Bussed Electrical Center (UBEC)

Over left front fender well

Power and Grounding Component Views in Wiring Systems

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Underhood Bussed Electrical Center (UBEC) Connector C1 (Body, 68 Cavities)

Below the Underhood Bussed Electrical Center

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Bussed Electrical Center (UBEC) Connector C2 (2.2L Engine, 68 Cavities)

Below the Underhood Bussed Electrical Center

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Underhood Bussed Electrical Center (UBEC) Connector C2 (4.3L Engine, 68 Cavities)

Below the Underhood Bussed Electrical Center

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Control Module (VCM) (4.3L Engine)

RH side of engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

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Vehicle Control Module (VCM) (4.3L Engine) Connector C3 (32 Cavities)

RH side of engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

Engine Controls Connector End Views in Engine Controls - 4.3L

Vehicle Control Module (VCM) (4.3L Engine) Connector C4 (24 Cavities)

RH side of engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

Engine Controls Connector End Views in Engine Controls - 4.3L

C120 (2.2L Engine Harness to Body Harness) (5 Cavities)

RH engine compartment, near PCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (Body Harness to IP Harness) (116 Cavities)

RH side of dash

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C211 (Body Harness to Steering Column harness) (48 Cavities)

Front of dash area, near steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G102 (Circuit 350, 2.2L Engine Harness)

RH engine block, under generator

Harness Routing Views in Wiring Systems

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G102 (Circuit 350, 4.3L Engine Harness)

LH rear of engine block

Harness Routing Views in Wiring Systems

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G106 (Circuit 1550, Battery Negative Harness)

RH frame rail forward of RH front wheel

Harness Routing Views in Wiring Systems

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G107 (Circuit 750, Battery Negative Harness, 2.2L Engine)

RH front of engine block

Harness Routing Views in Wiring Systems

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G107 (Circuit 750, Battery Negative Harness, 4.3L Engine)

RH front of engine block

Harness Routing Views in Wiring Systems

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G108 (Circuit 250, Battery Negative Harness)

Inside RH of radiator support, next to the Battery MegaFuse

Harness Routing Views in Wiring Systems

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P100 (IP Bulkhead Pass-Through)

LH rear of engine compartment, on cowl

Harness Routing Views in Wiring Systems

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S153 (Circuit 2, Battery Positive Harness)

Battery positive harness, 2.5 in/16 cm from the Battery MegaFuse, Fusible Link

Harness Routing Views in Wiring Systems

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S240 (Circuit 340, IP Harness, Utility W/ Auto A/C)

Between the breakouts for Truck Body Control Module Connector C3 and the instrument cluster, .6 in/4 cm from the breakout to the body control module

Harness Routing Views in Wiring Systems

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SP201 (Data Link Connector Splice Pack, Body Harness)

LH side of dash panel, below IP Fuse Block

Harness Routing Views in Wiring Systems

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