GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

ABS/TCC Switch

Under the left side of the IP, near the brake pedal

Engine Controls Component Views

in Engine Controls

Engine Controls Connector End Views

in Engine Controls

Cruise Control Module

Left hand rear of the engine compartment, near the windshield wiper motor

Cruise Control Component Views

Cruise Control Connector End Views

IP Fuse Block

Under the left side of the IP, on the left IP sound insulator

Power and Grounding Component Views

in Wiring Systems

Power and Grounding Connector End Views

in Wiring Systems

Powertrain Control Module (PCM)

Left front of the engine compartment, near the air cleaner housing

Engine Controls Component Views

in Engine Controls

Powertrain Control Module Connector End Views

in Engine Controls

Stoplamp/BTSI Switch

Under the left side of the IP, near the brake pedal

Tilt Wheel/Column Component Views

in Power Steering Systems

Tilt Wheel/Column Connector End Views

in Power Steering Systems

C101 (66 cavities)

The body harness to the engine harness, in the right rear of the engine compartment, near the strut tower

Harness Routing Views

in Wiring Systems

Harness Routing Views

in Wiring Systems

C202 (48 cavities)

The body harness to the steering column harness, under the left side of the IP, to the left of the steering column

Harness Routing Views

in Wiring Systems

Harness Routing Views

in Wiring Systems

G104

In the left front of the engine compartment, near the air cleaner housing

Power and Grounding Component Views

in Wiring Systems

--

P100

In the left rear of the engine compartment, near the left front strut tower

Harness Routing Views

in Wiring Systems

--

P101

In the right rear of the engine compartment, near the right hand strut tower

Harness Routing Views

in Wiring Systems

--

S104

In the body harness, approximately 25 cm (9.8 in) into the cooling fan relay breakout

Harness Routing Views

in Wiring Systems

--

S128

In the body harness, approximately 6.5 cm (2.6 in) from the engine cooling fan breakout

Harness Routing Views

in Wiring Systems

--

S221

In the body harness, approximately 15.5 cm (6.1 in) from P100

Harness Routing Views

in Wiring Systems

--

S228

In the body harness, approximately 17.5 cm (6.9 in) from the center IP harness channel breakout

Harness Routing Views

in Wiring Systems

--

S230

In the body harness, approximately 21.5 cm (8.5 in) from the center instrument panel harness channel breakout

Harness Routing Views

in Wiring Systems

--

S231

In the body harness, approximately 17.5 cm (6.9 in) from the center IP harness channel breakout

Harness Routing Views

in Wiring Systems

--

S241

In the body harness, approximately 40 cm (15.7 in) from the interior lamp control module breakout

Harness Routing Views

in Wiring Systems

--

S246

In the body harness, approximately 8 cm (3.1 in) from the interior lamp control module breakout

Harness Routing Views

in Wiring Systems

--