GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

Lower center of the IP, above the drive shaft tunnel

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Control Module (BCM) Connector C1 (BRN) (24 Cavities)

Lower center of the IP, above the drive shaft tunnel

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Control Module (BCM) Connector C2 (LT BLU) (24 Cavities)

Lower center of the IP, above the drive shaft tunnel

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Control Module (BCM) Connector C3 (PPL) (16 Cavities)

Lower center of the IP, above the drive shaft tunnel

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Relay Block

Left side of the dash, to the right of the IP fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Door Lock and Side Window Switch, LH

In the left door trim panel, near the armrest

Power Door Systems Component Views in Doors

 

Door Lock and Side Window Switch, LH Connector C1 (11 Cavities)

In the left door trim panel, near the armrest

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Door Lock and Side Window Switch, RH

In the right door trim panel, near the armrest

Power Door Systems Component Views in Doors

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Door Lock and Side Window Switch, RH Connector C1 (11 Cavities)

In the right door trim panel, near the armrest

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Driver Information Display Module

Front overhead console, in the passenger compartment

Driver Information System Components Views in Instrument Panel, Gauges and Console

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Driver Information Display Module Connector C1 (9 Cavities) (w/ Trip Computer)

Front overhead console, in the passenger compartment

Driver Information System Components Views in Instrument Panel, Gauges and Console

Driver Information Systems Connector End Views in Instrument Panel, Gauges and Console

Driver Information Display Module Connector C1 (6 Cavities) (w/o Trip Computer)

Front overhead console, in the passenger compartment

Driver Information System Components Views in Instrument Panel, Gauges and Console

Driver Information Systems Connector End Views in Instrument Panel, Gauges and Console

Ignition and Start Switch

To the right of the steering column

Power and Grounding Component Views in Wiring Systems

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IP Fuse Block

LH of the IP, near the side door jamb switch

Power and Grounding Component Views in Wiring Systems

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Outside Rear View Mirror Switch

In the left door trim panel, beside the armrest

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Radio

Center of the IP

Entertainment Component Views in Entertainment

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Radio (Except Bravada) Connector C1 (10 Cavities)

Center of the IP

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Radio Connector (Bravada)

Center of the IP

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Rear Seat Audio Control (Envoy Only)

Rear of the center console

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Redundant Steering Wheel Controls

Mounted on the steering wheel

Entertainment Component Views in Entertainment

Entertainment Connector End Views in Entertainment

Retained Accessory Power Relay

In the body relay block

Power and Grounding Component Views in Wiring Systems

Electrical Center Identification Views in Wiring Systems

Sunroof Module

At the front of the sunroof

Power Roof Systems Component Views in Roof

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Sunroof Module Connector C1

Dome harness to the sunroof harness overhead, near the sunroof express module

Power Roof Systems Component Views in Roof

Power Roof Systems Connector End Views in Roof

Underhood Fuse Block

On the top of the left inner wheelwell

Power and Grounding Component Views in Wiring Systems

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Underhood Fuse Block Connector C5 (2 Cavities) (Body)

Below the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Interface Unit (Envoy Only)

Behind the RR outer panel

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C201 (4 Cavities)

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

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Inline Harness Connector End Views in Wiring Systems

C203 (116 Cavities)

Body harness to IP harness, to the right of the IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C205 (40 Cavities) (Envoy)

IP harness to console harness, RF 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) (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 redundant steering wheel controls, front of the IP, next to C211

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C211 (48 Cavities)

Body harness to steering column harness, left front of the IP, near the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C217 (4 Cavities)

Body harness to IP harness, at the top LF of the IP, near the LF window pillar below the IP fuse block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C300 (2 Cavities) (Utility w/ Sunroof)

Dome harness to sunroof harness overhead, near the sunroof express module

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

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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

C502 (Cavities) (2-Door Export only)

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 (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

P100

IP bulkhead pass-through, LR of the engine compartment, on the cowl

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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S290 (Envoy only)

(CKT 1301) IP harness, between the breakout to C205

Harness Routing Views in Wiring Systems

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S476 (Envoy only)

(CKT 1301) Body harness, 7 cm (2.8 in) from G450 breakout toward the rear of vehicle

Harness Routing Views in Wiring Systems

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Splice Pack SP200

(CKT 41, CKT 241, CKT 341, CKT 817) Strapped to the body harness, in the center front of the IP, to the right of SP204

Harness Routing Views in Wiring Systems

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