GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

AM/FM Stereo Radio (Except Bravada) Connector C1, (10 Cavities)

Center of IP

Entertainment Component Views

Entertainment Connector End Views

AM/FM Stereo Radio (Except Bravada) Connector C2, (10 Cavities)

Center of IP

Entertainment Component Views

Entertainment Connector End Views

AM/FM Stereo Radio (Except Bravada) Connector C3 (9 Cavities) (w/ Remote Audio Player)

Near the radio antenna connector

Entertainment Component Views

Entertainment Connector End Views

AM/FM Stereo Radio w/ ATC CD (Bravada)

At the center of the IP

Entertainment Component Views

Entertainment Connector End Views

Amplifier Connector C1

In the center console

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Entertainment Connector End Views

Amplifier Connector C2

In the center console

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Entertainment Connector End Views

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

At the 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

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

IP Speaker, LH (Base)

To the top left of the IP

Entertainment Component Views

Entertainment Connector End Views

IP Speaker, LH (Uplevel)

To the top left of the IP

Entertainment Component Views

Entertainment Connector End Views

IP Speaker, RH (Base)

To the top right of the IP

Entertainment Component Views

Entertainment Connector End Views

IP Speaker, RH (Uplevel)

To the top right of the IP

Entertainment Component Views

Entertainment Connector End Views

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

To the right of the engine compartment

Engine Controls Component Views in Engine Controls-2.2L

Engine Controls Connector End Views in Engine Controls-2.2L

Radio Antenna

Mounted on the right fender

Entertainment Component Views

Entertainment Connector End Views

Radio Front Speaker, LH Door

In the left front side door

Entertainment Component Views

Entertainment Connector End Views

Radio Front Speaker, RH Door

In the right front side door

Entertainment Component Views

Entertainment Connector End Views

Radio Rear Speaker, LH (2-door Utility)

Behind the left B-pillar

Entertainment Component Views

Entertainment Connector End Views

Radio Rear Speaker, LH (4-door Utility)

In the left rear door

Entertainment Component Views

Entertainment Connector End Views

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

At the left C-pillar

Entertainment Component Views

Entertainment Connector End Views

Radio Rear Speaker, RH (2-door Utility)

Behind the right B-pillar

Entertainment Component Views

Entertainment Connector End Views

Radio Rear Speaker, RH (4-door Utility)

In the right rear door

Entertainment Component Views

Entertainment Connector End Views

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

At the right C-pillar

Entertainment Component Views

Entertainment Connector End Views

Rear Seat Audio Control

To the rear of the center console

Entertainment Component Views

Entertainment Connector End Views

Remote Audio Player (Envoy)

In the center floor console

Entertainment Component Views

Entertainment Connector End Views

Vehicle Control Module (VCM) (4.3 L Engine)

To the right of the engine compartment

Engine Controls Component Views in Engine Controls

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

To the right of the engine compartment

Engine Controls Component Views in Engine Controls

Engine Controls Connector End Views in Engine Controls

C120 (5 Cavities)

At the engine harness to body harness, to the right of the engine compartment, near the PCM

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (116 Cavities)

At the 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 (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)

At the body harness to dome harness, at the left front of the IP, at the left front window

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C209 (16 Cavities) (Utility)

At the body harness to dome harness, at the left front of the IP, at the left front window

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C405 (2 Cavities) (4-door Utility)

At the body harness to left rear door harness, near the left rear door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C407 (2 Cavities) (4-door Utility)

At the body harness to left rear door harness, near the right rear door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C474 (24 Cavities) (Envoy Only)

In the rear quarter of the vehicle

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C501 (16 Cavities) (Utility)

At the body harness to left front door harness, in the left front door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C601 (13 Cavities)

At the body harness to right front door harness, in the right front door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G203

(CKT 1050) At the body harness, to the right of the IP, between C203 and the splice packs

Harness Routing Views in Wiring Systems

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G204

(CKT 1050) At the body harness, to the right of the IP, between C203 and the splice packs

Harness Routing Views in Wiring Systems

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P100

At the IP bulkhead pass-through, to the left rear of the engine compartment, on the cowl

Harness Routing Views in Wiring Systems

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P500

At the body harness to the left front door pass-through, between the body and the left front door

Harness Routing Views in Wiring Systems

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P600

At the body harness to left front door pass-through, between the body and the right front door

Harness Routing Views in Wiring Systems

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P700 (4-door Utility) (LH Rear)

At the body to left rear door harness

Harness Routing Views in Wiring Systems

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P800 (4-door Utility) (RH Rear)

At the body to right rear door

Harness Routing Views in Wiring Systems

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S205

(CKT 1220) At the IP harness, between the breakouts for the radio and BCM connector C3, 8 cm (3.14 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) At the IP harness, 4 cm (1.57 in) from the breakout to the BCM connector C3 and the breakout to the instrument cluster

Harness Routing Views in Wiring Systems

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S240 (w/o Auto A/C)

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

Harness Routing Views in Wiring Systems

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S272

(CKT 117) At the IP harness, lower center, between the breakouts for the stereo radio and the right courtesy lamps, 8 cm (3.14 in) from the breakout to the stereo radio

Harness Routing Views in Wiring Systems

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S272 (Utility w/ Base Audio)

(CKT 117) At the IP harness, lower center, between the breakouts for the stereo radio and the right courtesy lamps, 8 cm (3.14 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) At the IP harness, between the breakouts for the instrument cluster and the left IP speaker, 16 cm (6.29 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) At the IP harness, lower center, between the breakouts for the stereo radio and the right 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) At the 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 ( w/o Auto A/C)

(CKT 1382) At the 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) At the IP harness, between the breakouts to the BCM connector C3 and the radio, 13 cm (5.11 in) from the breakout to the BCM

Harness Routing Views in Wiring Systems

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S350 (Envoy)

(CKT 1050) At the console harness, between connector C205 and the first breakout, 7 cm (2.75 in)from the first breakout

Harness Routing Views in Wiring Systems

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S351 (Envoy)

(CKT 314) At the console harness, between the breakouts to the amplifier and audio controls, 7 cm (2.75 in) from the breakout to the amp

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

Harness Routing Views in Wiring Systems

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