GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Clutch Pedal Position Switch

At top of Clutch Pedal

Engine Electrical Component Views

Engine Electrical Connector End Views

Electronic Brake Control Module (EBCM)

Near Brake Master Cylinder, at LF Wheelhousing

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Variable Orifice (EVO)/Passlock Module

Under the center of the IP

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Instrument Cluster

On the upper left end of the IP, above the steering column

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

IP Fuse Block

To the left of the IP, near the left front door jamb switch

Power and Grounding Component Views

Power and Grounding Connector End Views

Powertrain Control Module (PCM) (Diesel)

Under RH end of IP, above Blower Motor, behind IP Compartment Box

Engine Controls Component Views

Powertrain Control Module Connector End Views

Radio, Connector C1

In the center of the IP

Entertainment Component Views

Entertainment Connector End Views

Radio, Connector C2

In the center of the IP

Entertainment Component Views

Entertainment Connector End Views

Radio, Connector C3

In the center of the IP, jumper from the radio to the cassestte player

Entertainment Component Views

Entertainment Connector End Views

Stoplamp Switch

On the top of the brake pedal

Lighting Systems Component Views

Lighting Systems Connector End Views

Vehicle Control Module (VCM) (Gas)

Engine Compartment, near EBCM

Engine Controls Component Views

VCM Connector End Views

C100

Part of the engine harness to IP harness, in the left rear side of the engine compartment, at the bulkhead

Harness Routing Views

Inline Harness Connector End Views

C122 (M30)

On the right side of the transmission

Harness Routing Views

Inline Harness Connector End Views

C122 (MT1)

On the left side of the transmission

Harness Routing Views

Inline Harness Connector End Views

C223

At the convenience center

Harness Routing Views

Inline Harness Connector End Views

C227 (Stoplamp Switch)

IP harness, Inline to the Stoplamp Switch

Harness Routing Views

Inline Harness Connector End Views

P100

In the left rear side of the engine compartment, at the bulkhead, above C100

Harness Routing Views

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S106 (5.0L, 5.7L)

Engine harness, approx. 17 cm (6.5 in) from EGR valve breakout, toward fuel injector breakout

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S106 (7.4L)

Engine harness, approx. 7 cm (2.5 in) from EGR valve breakout, toward fuel injector breakout

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S152 (Gas)

Engine harness , approx. 6.5 cm (2.5 in) from EBCM breakout

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S152 (Diesel)

Engine harness, approx. 4 cm (1.5 in) from IP harness breakout, toward P101

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S153

IP harness, approx. 13 cm (5 in) from CCM, toward P100

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S220

IP harness, approx. 6 cm (2.5 in) from steering column harness breakout, toward C100

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S221

IP harness, approx. 40 cm (15.5 in) from instrument cluster breakout

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S227

LF seat harness, approx. 5 cm (2 in) from power seat lumbar switch breakout

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S299

IP harness, approx. 4 cm (1.5 in) into the steering column harness breakout, toward C266

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