GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM) (Luxury)

In the center floor console

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Convenience Center

Under the left side of the IP, on the bulkhead

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

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

Liftgate Release Motor

In the right center of the liftgate

Body Rear End Component Views

Body Rear End Connector End Views

Liftgate Release Relay

Right center of liftgate

Body Rear End Component Views

Body Rear End Connector End Views

Liftgate Release Switch

In the center of the IP, to the left of the radio

Body Rear End Component Views

Body Rear End 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 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

C210

At the convenience center

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

C301

At the left front kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C302

At the LF kick panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305 (Luxury)

Cross Body harness, Inline to Floor Console harness

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C314 (Suburban/Utility)

On the left D-pillar behind the trim cover

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C450 (Suburban/Utility)

Center rear of the vehicle under the floor between P409 and P410

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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P101

In the right rear side of the engine compartment, at the bulkhead

Harness Routing Views in Wiring Systems

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P409

Center rear of body

Harness Routing Views in Wiring Systems

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P410

Center bottom of endgate

Harness Routing Views in Wiring Systems

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S106 (7.4L)

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

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S107 (5.0L, 5.7L)

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

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--

S107 (6.5L, HD)

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

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--

S107 (7.4L)

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

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--

S147 (Gas)

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

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S147 (Diesel)

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

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S162 (5.0L, 5.7L)

Engine harness, approx. 17 cm (6.5 in) from the starter solenoid breakout, toward the LH oxygen sensor breakout

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--

S162 (7.4L)

Engine harness, approx. 15 cm (6 in) from the RH bank oxygen sensor breakout, toward the starter solenoid breakout

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--

S256 (Pickup/Extended Cab)

Crossbody harnness, approx. 12 cm (4.5 in) from C210 breakout, toward the LH seat harness breakout

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--

S256 (Utility/Suburban)

Crossbody harnness, approx. 11 cm (4 in) from C210 breakout, toward the LH seat harness breakout

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--

S256 (Crew Cab)

Crossbody harnness, approx. 1 cm (0.5 in) before the door lock relay breakout, toward the LH seat harness breakout

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S264

IP harness, approx. 4 cm (1.5 in) from the instrument cluster breakout, toward radio connectors breakout

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--

S265 (Utility/Suburban)

Crossbody harness, approx. 8 cm (3 in) from the LF door breakout

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--

S404 (4-Door Utility)

Front-to-rear body harness, into the convenience center harness breakout, approx. 7 cm (2.5 in) after the door lock relay harness breakout

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S410 (2-Door Utility)

Front-to-rear body harness, into the convenience center harness breakout, approx. 37 cm (14.5 in) from the RR door jamb switch breakout, toward the RH door speaker breakout

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S410 (4-Door Utility/Suburban)

Front-to-rear body harness, approx. 12 cm (4.5 in) from the RR door speaker breakout, toward the RR door jamb breakout

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S434 (2-Door Utility)

Front-to-rear body harness, approx. 7 cm (2.5 in) from the front dome lamp breakout, toward the crossbody harness breakout

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S434 (4-Door Utility/Suburban)

Front-to-rear body harness, approx. 20 cm (8 in) before the rear dome lamp harness breakout, towards the HVAC module

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S434 (4-Door Utility/Suburban w/o C69)

Front-to-rear body harness, approx. 25 cm (10 in) into the crossbody harness breakout, towards C301

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