GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Convenience Center

Under the IP, on the left side

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Data Link Connector (DLC)

Under the LH side of the IP

Data Link Communications Component Views in Body and Accessories

Data Link Communications Connector End Views in Body and Accessories

Electronic Brake Control Module (EBCM)

On the left frame rail, near the center of the vehicle

Antilock Brake System Component Views in Brakes

Antilock Brake System Connector End Views in Brakes

Passlockā„¢ Module

Below the center of the IP

Theft Deterrent System Component Views in Body and Accessories

Theft Deterrent System Connector End Views in Body and Accessories

Inflatable Restraint Sensing and Diagnostic Module

Under the left front seat

SIR Component Views in Restraints

SIR Connector End Views in Restraints

IP Fuse Block

In the left lower kick panel

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Powertrain Control Module (PCM)

Behind the center of the IP

Engine Controls Component Views in Engine Controls 6.5L

Powertrain Control Module Connector End Views in Engine Controls 6.5L

Remote Control Door Lock Receiver

Behind the IP, in the center of the bulkhead

Keyless Entry Component Views in Body and Accessories

Keyless Entry Connector End Views in Body and Accessories

Vehicle Control Module (VCM) (4.3L)

In the engine compartment, on the left fender

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

Vehicle Control Module (VCM) (5.0L, 5.7L)

In the engine compartment, on the left fender

Engine Controls Component Views in Engine Controls - 5.0L, 5.7L

VCM Connector End Views in Engine Controls - 5.0L, 5.7L

Vehicle Control Module (VCM) (7.4L)

In the engine compartment, on the left fender

Engine Controls Component Views in Engine Controls - 7.4L

VCM Connector End Views in Engine Controls - 7.4L

Vehicle Immobilizer Module (VIM)

Crossbody Harness, behind IP, right center of bulkhead

Theft Deterrent System Component Views in Body and Accessories

Theft Deterrent System Connector End Views in Body and Accessories

C100

In the left rear of the engine compartment at the bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C210

Crossbody harness, under the left side of the IP, near the brake pedal, at the convenience center

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G101 (4.3L)

LH engine compartment, near the fender well

Power and Grounding Component Views in Wiring Systems

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G101 (5.0L, 5.7L)

Engine harness, near the thermostat housing

Power and Grounding Component Views in Wiring Systems

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G101 (6.5L, 7.4L)

Engine harness, near the thermostat housing

Power and Grounding Component Views in Wiring Systems

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G201

IP harness, behind the left kick panel, near the IP fuse block

Power and Grounding Component Views in Wiring Systems

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P100

In the left rear of the engine compartment, at the bulkhead

Harness Routing Views in Wiring Systems

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P101

Under the right side of the IP

Harness Routing Views in Wiring Systems

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S102 (4.3L)

In the engine harness, approximately 104 cm (41 in) from the underhood fuse-relay center, toward the A/C compressor breakout

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S102 (5.0L, 5.7L)

In the engine harness, approximately 4 cm (2 in) from the A/C compressor breakout, toward the MAF sensor breakout

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S102 (6.5L)

In the engine harness, approximately 4 cm (2 in) from the main harness breakout that leads to the blower motor, toward the C100 breakout

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S102 (7.4L)

In the engine harness, approximately 4 cm (2 in) from the main harness that leads to the A/C compressor breakout, toward the generator breakout

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S153 (4.3L)

In the engine harness, approximately 4 cm (2 in) from the A/C compressor breakout, toward the transmission

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S153 (5.0L, 5.7L)

In the engine harness, approximately 8 cm (3 in) from the ignition coil breakout, toward the transmission

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S153 (6.5L)

In the engine harness, approximately 27 cm (11 in) from the main harness breakout that leads to the underhood fuse-relay center and C100

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S153 (7.4L)

In the engine harness, approximately 4 cm (2 in) from the C100 breakout, toward the EGR sensor breakout

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S201

In the IP harness, approximately 4 cm (2 in) from the park brake warning switch breakout, toward the data link connector (DLC) breakout

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S207

In the IP harness, approximately 4 cm (2 in) into the VSS buffer breakout

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S218

In the IP harness, approximately 7 cm (3 in) from the instrument cluster breakout, toward the HVAC switch breakout

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S254

IP harness, approx. 5 cm (2 in) into the data link connector breakout

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