GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)

Under the left side of the IP, to the left of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

IP Fuse Block

On the left front side of the passenger compartment, attached to the door hinge pillar

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Powertrain Control Module (PCM) (Buick)

Under the right side of the IP, near the rear of the IP compartment

Engine Controls Component Views in Engine Controls - 3.8L

Engine Controls Connector End Views in Engine Controls - 3.8L

Powertrain Control Module (PCM) (Oldsmobile)

Under the right side of the IP, near the rear of the IP compartment

Engine Controls Component Views in Engine Controls - 4.0L

Engine Controls Connector End Views in Engine Controls - 4.0L

Variable Steering Actuator

On the right rear side of the engine compartment, on the power steering rack

Steering Assist Component Views

Steering Assist Connector End Views

Variable Steering Module

Under the right side of the IP, on the left side of the HVAC case

Steering Assist Component Views

Steering Assist Connector End Views

C101 (78 cavities) (VIN 1)

Body harness to the transmission harness, on the center rear of the engine compartment

Harness Routing Views in Wiring Systems

--

C101 (78 cavities) (VIN C)

Body harness to the transmission harness, on the center rear of the engine compartment

Harness Routing Views in Wiring Systems

--

G202

On the left front side of the passenger compartment, under the kick panel trim plate

Harness Routing Views in Wiring Systems

--

P100

On the left rear side of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

--

P107

On the right rear side of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

--

S209

In the body harness, approximately 37.5 cm (14.7 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

--

S214

In the body harness, approximately 39 cm (15.3 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

--

S259

In the body harness, approximately 160.5 cm (63.2 in) from the PCM

Harness Routing Views in Wiring Systems

--

S290

In the body harness, approximately 73 cm (28.7 in) from P100

Harness Routing Views in Wiring Systems

--

S298

In the body harness, approximately 82.5 cm (32.4 in) from P100

Harness Routing Views in Wiring Systems

--

S365

In the body harness, approximately 132 cm (51.9 in) from P800

Harness Routing Views in Wiring Systems

--

S410

In the body harness, approximately 37 cm (14.5 in) from G401

Harness Routing Views in Wiring Systems

--