GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Brake Pressure Warning Switch

On rear of EBCM casting, near Brake Master Cylinder, at LF Wheelhousing

Antilock Brake System Component Views in ABS Systems

Antilock Brake System Connector End Views in ABS Systems

Daytime Running Lamps (DRL) Module

Under the left side of the IP, taped to the IP harness

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Electronic Brake Control Module (EBCM)

Near Brake Master Cylinder, at LF Wheelhousing

Antilock Brake System Component Views in ABS Systems

Antilock Brake System Connector End Views in ABS Systems

Ignition Switch

IP Steering Column, under Lock Cylinder

Standard Wheel/Column Component Views in Steering Wheel Column - Standard

Standard Wheel/Column Connector End Views in Steering Wheel Column - Standard

Instrument Cluster

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

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

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

IP Fuse Block

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

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Park Brake Warning Switch

Mounted on Park Brake, under LH end of IP

Park Brake System Component Views in Park Brake

Park Brake System Connector End Views in Park Brake

C100

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C266

Part of the IP harness to steering column harness, to the left side of the steering column, near the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G105 (Gas)

On the right front side of the engine block

Power and Grounding Component Views in Wiring Systems

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G105 (Diesel)

Right Rear of the cylinder head, cylinder #7 intake bolt

Power and Grounding Component Views in Wiring Systems

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G200

Behind the left side of the IP, below the fuse block, on the tie bar

Power and Grounding Component Views in Wiring Systems

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S107 (5.0L, 5.7L)

Engine harness, approx. 20 cm (8 in) from EGR valve breakout, toward taillamp harness breakout

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S107 (6.5L, HD)

Engine harness, approx. 40 cm (15 in) from EBCM breakout, toward transmission harness breakout

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S107 (7.4L)

Engine harness, approx. 18 cm (7 in) from EBCM breakout, toward tthe EGR harness breakout

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S147 (Gas)

Engine harness, approx. 5 cm (2 in) from EGR valve breakout, toward taillamp harness breakout

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S147 (Diesel)

Engine harness, approx. 4 cm (1.5 in) from starter motor solenoid breakout

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S157

Engine harness, approx. 20 cm (8 in) into EBCM breakout

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S204

IP harness, approx. 10 cm (4 in) from C100, towards Data Link Connector (DLC)

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S213

IP harness, approx. 4 cm (1.5 in) from steering column harness breakout, towards the DLC

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