GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Amplifier Connector (C1) (w/Uplevel Audio)

In the center console

Entertainment Component Views

Entertainment Connector End Views

Amplifier Connector (C2) (w/Uplevel Audio)

In the center console

Entertainment Component Views

Entertainment Connector End Views

Body Control Module (BCM) Connector C2, Blue (24 Cavities)

Lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Door Speaker, LH

In the LH Front side door

Entertainment Component Views

Entertainment Connector End Views

Door Speaker, RH

In the RH Front side door

Entertainment Component Views

Entertainment Connector End Views

Door Speaker, LH Rear (4-door Utility)

In the LH Rear door

Entertainment Component Views

Entertainment Connector End Views

Door speaker, RH Rear (4-door Utility)

In the RH Rear door

Entertainment Component Views

Entertainment Connector End Views

IP Fuse Block

LH of the IP, near the door jamb switch, LF

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

IP Speaker, LH (Base)

Top LH of the IP

Entertainment Component Views

Entertainment Connector End Views

IP Speaker, LH (Uplevel)

Top LH of the IP

Entertainment Component Views

Entertainment Connector End Views

IP Speaker, RH (Base)

Top RH of the IP

Entertainment Component Views

Entertainment Connector End Views

IP Speaker, RH (Uplevel)

Top RH of the IP

Entertainment Component Views

Entertainment Connector End Views

Powertrain Control Module (PCM) Connector C2 (2.2L Engine)

On the right side of the engine compartment

Engine Controls Component Views in Engine Controls - 2.2L

Powertrain Control Module Connector End Views in Engine Controls - 2.2L

Radio (Except Bravada) Connector C1, (10 Cavitites)

Center of IP

Entertainment Component Views

Entertainment Connector End Views

Radio (Except Bravada) Connector C2, (10 Cavitites)

Center of IP

Entertainment Component Views

Entertainment Connector End Views

Radio (Except Bravada) Connector C3 (9 Cavitites) (w/ Remote Audio Player)

Center of IP

Entertainment Component Views

Entertainment Connector End Views

Radio (Bravada)

Center of IP

Entertainment Component Views

Entertainment Connector End Views

Radio Antenna

Mounted on the RF fender

Entertainment Component Views

Entertainment Connector End Views

Rear Seat Audio Control

Rear of the center console

Entertainment Component Views

Entertainment Connector End Views

Remote Audio Player (Utility)

In the center floor console

Entertainment Component Views

Entertainment Connector End Views

Remote Compact Disc Player (Bravada & Envoy)

In the center floor console

Entertainment Component Views

Entertainment Connector End Views

Speaker, LH Rear (2-door Utility)

Behind the LH B pillar

Entertainment Component Views

Entertainment Connector End Views

Speaker, LH Rear (Extended Cab Pickup w/o Third Door)

At the LH C pillar

Entertainment Component Views

Entertainment Connector End Views

Speaker, RH Rear (2-door Utility)

Behind the RH B pillar

Entertainment Component Views

Entertainment Connector End Views

Speaker, RH Rear (Extended Cab Pickup w/o Third Door)

At the RH C pillar

Entertainment Component Views

Entertainment Connector End Views

Steering Wheel Controls

Mounted on the steering wheel

Entertainment Component Views

Entertainment Connector End Views

Vehicle Control Module (VCM) (4.3L Engine)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

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Vehicle Control Module (VCM) (4.3L Engine) Connector C4 (24 Cavities)

RH of the engine compartment

Engine Controls Component Views in Engine Controls - 4.3L

VCM Connector End Views in Engine Controls - 4.3L

C101 (16 Cavities) (2.2L Engine)

Engine harness to body harness, RH of the engine compartment, near the PCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C101 (10 Cavities) (4.3L Engine)

Engine harness to body harness, RH of the engine compartment, near the VCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (4 Cavities)

Steering column harness to steering wheel controls jumper harness, behind the SIR steering wheel inflator module

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (116 Cavities)

Body harness to IP harness, to the RH of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C205 (40 Cavities) (IP to Console harness, Envoy)

IP harness to Console harness, RH front of the center floor console behind access panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C209 (16 Cavities) (Pickup)

Body harness to dome harness, at the LF of the IP, at the LF window

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C209 (16 Cavities) (Utility)

Body harness to dome harness, at the LF of the IP, at the LF window

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C210 (4 Cavities)

Body harness to radio steering wheel controls, Front of the IP, next to C211

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305 (2 Cavities) (4-Door Utility)

Body harness to LH rear door harness, near the LH rear door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C307 (2 Cavities) (4-Door Utility)

Body harness to LH rear door harness, near the RH rear door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C474 (24 Cavities) (Vehicle Interface Unit, Connector C1) (Envoy only)

In the rear quarter of the vehicle

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C500 (4 Cavities) (w/o Power Locks/Windows)

Body harness to LF door harness, in the LF door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C500 (22 Cavities) (w/ Power Locks/Windows)

Body harness to LF door harness, in the LF door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (4 Cavities) (w/o Power Locks/Windows)

Body harness to RF door harness, in the RF door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (22 Cavities) (w/ Power Locks/Windows)

Body harness to RF door harness, in the RF door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

(CKT 1850) Body harness, to the LF of the IP, above P100

Harness Routing Views in Wiring Systems

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G201

(CKT 1850) Body harness, to the LF of the IP, above P100

Harness Routing Views in Wiring Systems

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G203

(CKT 1050) Body harness, to the RH of the IP, between C203 and the splice packs

Harness Routing Views in Wiring Systems

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G204

(CKT 1050) Body harness, to the RH of the IP, between C203 and the splice packs

Harness Routing Views in Wiring Systems

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G206

(CKT 1050) Body harness, to the RH of the IP, between C203 and the splice packs

Harness Routing Views in Wiring Systems

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P500

Body harness to the LF door pass-through, between the body and the LF door

Harness Routing Views in Wiring Systems

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P600

Body harness to RF door pass-through, between the body and the RF door

Harness Routing Views in Wiring Systems

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P700 (4-Door Utility) (LH Rear)

Body to LH rear door harness

Harness Routing Views in Wiring Systems

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P800 (4-Door Utility) (RH Rear)

Body to RH rear door

Harness Routing Views in Wiring Systems

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S205

(CKT 1220) IP harness, between the breakouts for the radio and BCM connector C3, 8 cm (3.15 in) from the breakout to the radio

Harness Routing Views in Wiring Systems

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S240 (Utility w/ Auto A/C)

(CKT 340) IP harness, 4 cm (1.57 in) from the breakout to the BCM module connector C3 and the breakout to the instrument cluster

Harness Routing Views in Wiring Systems

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S272 (Utility w/ Base Audio)

(CKT 117) IP harness, lower center, between the breakouts for the stereo radio and the RH courtesy lamps, 8 cm (3.15 in) from the breakout to the stereo radio

Harness Routing Views in Wiring Systems

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S273 (Utility w/ Base Audio)

(CKT 118) IP harness, between the breakouts for the instrument cluster and the LH IP speaker, 16 cm (6.3 in) from the breakout to the instrument cluster

Harness Routing Views in Wiring Systems

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S274 (Utility w/ Base Audio)

(CKT 200) IP harness, lower center, between the breakouts for the stereo radio and the RH courtesy lamps, 12 cm (4.72 in) from the breakout to the stereo radio

Harness Routing Views in Wiring Systems

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S275 (Utility w/ Base Audio)

(CKT 20) IP harness, between the breakouts for the BCM connector C3 and the stereo radio, 4 cm (1.57 in) from the breakout to the stereo radio

Harness Routing Views in Wiring Systems

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S282 (4WD Base Pickup Only)

(CKT 1382) IP harness, between the breakouts to the BCM connector C3 and the stereo radio, 6 cm (2.36 in) from the breakout to the BCM

Harness Routing Views in Wiring Systems

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S283

(CKT 2409) IP harness, between the breakouts to the BCM connector C3 and the radio, 13 cm (5.12 in) from the breakout to the BCM

Harness Routing Views in Wiring Systems

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S290

(CKT 1301) IP harness, between the breakout to the BCM, C3, and In-line Connector C205

Harness Routing Views in Wiring Systems

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S350 (Envoy)

(CKT 1050) Console harness, between connector C205 and the first breakout, 7 cm (2.76 in) from the first breakout

Harness Routing Views in Wiring Systems

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S351 (Envoy)

(CKT 314) Console harness, between the breakouts to the amplifier and audio controls, 7 cm (2.76 in) from the breakout to the amp

Harness Routing Views in Wiring Systems

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Splice Pack SP202

(CKT 379, CKT 1850) Strapped to the body harness, at the LH center of the IP

Harness Routing Views in Wiring Systems

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Splice Pack SP203

(CKT 1050) IP harness, on the IP, in front of the ashtray, strapped to the body harness

Harness Routing Views in Wiring Systems

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