GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)

Under RH of IP, RH of Steering Column, mounted to bottom of Knee Bolster

Data Link Communications Component Views

Data Link Communications Connector End Views

Electronic Brake Control Module (EBCM)

Top inside of the LF Wheelhousing

Antilock Brakes System Component Views in Antilock Brakes System, 1999 C/K Service Manual

Antilock Brakes System Connector End Views in Antilock Brakes System, 1999 C/K Service Manual

Inflatable Restraint Sensing and Diagnostic Module (SDM)

Under Carpet Beneath Drivers Seat

SIR Component Views in SIR, 1999 C/K Service Manual

SIR Connector End Views in SIR, 1999 C/K Service Manual

IP Fuse Block

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

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Powertrain Control Module (PCM)

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

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

Under the center of the IP, to the right of the knee bolster

Keyless Entry Component Views in Keyless Entry

Keyless Entry Connector End Views in Keyless Entry, 1999 C/K Service Manual

Vehicle Control Module (VCM)

Engine Compartment, near EBCM

Engine Controls Component Views in Engine Controls - 5.0L

VCM Connector End Views in Engine Controls - 5.0L

Transfer Case Control Module (TCCM)

Under IP, on Steering Column Support Bracket

Transfer Case Control Component Views in Transfer Case

Transfer Case Control Connector End Views in Transfer Case, 1999 C/K Service Manual

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

C200

Behind the right side of the IP, near the heater motor, in foam wrap

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C231

Part of the IP harness to SIR harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C298

Behind the left side of the IP, near the convenience center

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103 (Gas)

On the top front center of the engine, near the thermostat housing

Power and Grounding Component Views in Wiring Systems

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G104 (5.7L)

Back side of the right cylinder head

Power and Grounding Component Views in Wiring Systems

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G104 (6.5L)

Top rear of the right cylinder

Power and Grounding Component Views in Wiring Systems

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G200

Behind the right side of the IP, below the fuse block, on the knee bolster.

Power and Grounding Component Views in Wiring Systems

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S103 (Diesel)

Engine harness, approx. 12 cm (4.7 in) from the blower motor resistor breakout, toward the EBCM breakout

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S103 (Gas)

Engine harness, approx. 8 cm (3  from the EGR valve harness breakout, toward the toward the taillamp harness breakout

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S150

Engine harness, approx. 13 cm (5 in) from 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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S215

IP harness, approx. 8 cm (3 in) from instrument cluster breakout, toward radio connectors breakout

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