GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Ashtray Lamp

Center console, below the ashtray

--

--

Cruise Control Module

LH side of the engine compartment, on the strut tower

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Cruise Control Steering Wheel Switch (LH) (SET/COAST)

Lower left side of steering wheel

Cruise Control Component Views in Cruise Control

--

Cruise Control Steering Wheel Switch (RH) (RESUME/ACCEL)

Lower right side of steering wheel

Cruise Control Component Views in Cruise Control

--

Cruise Control ON/OFF Switch (Monte Carlo)

On the steering wheel spoke

Cruise Control Component Views in Cruise Control

--

Cruise Control ON/OFF Switch (Impala)

On the turn signal lever

Cruise Control Component Views in Cruise Control

--

Cruise Control Release Switch

Behind the LH side of the instrument panel, on the brake pedal support

Cruise Control Component Views in Cruise Control

Cruise Control Connector End Views in Cruise Control

Data Link Connector (DLC)

On the bottom of the instrument panel, to the right of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Headlamp Switch

LH side of the instrument panel, to the left of the steering column

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Inflatable Restraint Steering Wheel Module Coil (SIR Coil)

Inside the steering column

SIR Component Views in SIR

--

IP Accessory Wiring Junction Block (LH)

LH side of the instrument panel, in the left front door opening

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

IP Accessory Wiring Junction Block (RH)

RH side of the instrument panel, in the right front door opening

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Radio

Center of the instrument panel

Entertainment Component Views

Entertainment Connector End Views

Radio Amplifier

Below rear package shelf

Entertainment Component Views

Entertainment Connector End Views

Radio Antenna Module

Behind left rear sail panel

Entertainment Component Views

--

Radio Front Door Speaker

Lower front corner of the front door

Entertainment Component Views

Entertainment Connector End Views

Radio Front Door Speaker, Tweeter

Part of radio front door speaker

Entertainment Component Views

Entertainment Connector End Views

Radio Speaker, Rear

Rear package shelf

Entertainment Component Views

Entertainment Connector End Views

Radio Steering Wheel Switch (LH) (SEEK/SCAN)

Upper left side of steering wheel

Entertainment Component Views

--

Radio Steering Wheel Switch (RH) (VOLUME/MODE)

Upper right side of steering wheel

Entertainment Component Views

--

Radio Steering Wheel Switches

In the steering wheel

Entertainment Component Views

--

Rear Window Defogger Grid Connector C1

On the LH side of the rear window by the radio antenna amplifier

Stationary Windows Component Views in Stationary Windows

Stationary Windows Connector End Views in Stationary Windows

Rear Window Defogger Grid Connector C2

On the RH side of the rear window

Stationary Windows Component Views in Stationary Windows

Stationary Windows Connector End Views in Stationary Windows

Remote CD Changer

Mounted in the rear compartment

Entertainment Component Views

Entertainment Connector End Views

Splice Pack SP205

Next to the LH IP accessory wiring junction block wiring harness, taped on harness

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

C201 (40 cavities)

Instrument panel harness to the steering column harness, behind the instrument panel on the right side of the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (8 cavities)

In steering wheel, behind SIR air bag

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C205 (8 cavities)

Instrument panel harness to the steering column harness, behind the instrument panel on the right side of the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C220 (6 cavities)

Instrument panel harness, RH side below, RH IP accessory wiring junction block

--

Inline Harness Connector End Views in Wiring Systems

C299 (SEO) (8 cavities)

Instrument panel harness to the instrument panel harness, left side of the instrument panel behind the accessory switch

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C301 (40 cavities)

Body harness to the left front door harness, mounted to the left A pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C302 (40 cavities)

Body harness to the right front door harness, mounted to the right A pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G201

RH side of steering column support mounted to I/P carrier

Harness Routing Views in Wiring Systems

--

G202

Behind the instrument panel, in the center

Harness Routing Views in Wiring Systems

--

P101

Left rear of the engine compartment, near the strut tower

Harness Routing Views in Wiring Systems

--

P500

Left A pillar

Harness Routing Views in Wiring Systems

--

P600

Right A pillar

Harness Routing Views in Wiring Systems

--

S229

Instrument panel harness, behind the right center of IP, approximately 8.5 cm (3 in) from the ignition switch breakout

--

--

S236

Instrument panel harness, behind right side of Instrument panel, approximately 4 cm (2 in) from the body control module breakout

--

--