GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)-OBD2

Left side of the instrument panel inboard next to the transmission tunnel

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Door Lock Relay

To the right of the brake pedal

--

--

Door Lock Switch

Left front door trim panel

--

Power Door Systems Connector End Views

Door Unlock Relay

To the right of the brake pedal

--

--

Junction Block

Above the lower left door hinge trim panel

--

Power and Grounding Connector End Views in Wiring Systems

Left Front Door Lock

Inside the rear of the left front door

--

--

Left Front Lock Cylinder (4-Door)

Inside the rear of the left front door

--

--

Left Front Window Regulator (4-Door)

In the left front door behind the door panel

--

--

Left Outside Mirror (4-Door)

Front of the left front door

--

--

Left Rear Door Lock (4-Door)

Inside the rear of the left rear door

--

--

Left Rear Window Regulator (4-Door)

Left rear door behind the door trim panel

--

--

Left Rear Window Switch (4-Door)

In the center of the left rear door trim panel

--

--

Master Window Switch

In the center of the left front door trim panel

--

--

Rear Door Lock (4-Door)

Inside the rear door on the left side

--

Power Door Systems Connector End Views

Rear Lock Cylinder

Inside the rear door behind the back door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Remote Control Door Lock Receiver (4-Door)

In the left side of the instrument panel near the junction block

--

--

Remote Control Mirror Switch (4-Door)

Left side of the instrument panel to the left of the steering wheel

Power Door Systems Component Views

Power Door Systems Connector End Views

Right Front Door Lock (4-Door)

Inside the rear of the right front door

--

--

Right Front Lock Cylinder (4-Door)

Inside the rear of the right front door

--

--

Right Front Window Regulator (4-Door)

In the right front door behind the door trim panel

Power Door Systems Component Views

Power Door Systems Connector End Views

Right front Window Switch (4-Door)

In the center of the right front door trim panel

--

Power Door Systems Connector End Views

Right Outside Mirror (4-Door)

Front of the right front door

--

--

Right Rear Door Lock (4-Door)

Inside the rear of the right rear door

--

--

Right Rear Window Regulator (4-Door)

In the right rear door behind the door trim panel

--

Power Door Systems Connector End Views

Right Rear Window Switch (4-Door)

In the center of the right rear door trim panel

--

--

C201

Main harness to the instrument panel harness near the left door hinge panel above the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C204

Main harness to the instrument panel harness near the left door hinge panel above the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C205

Main harness to the instrument panel harness near the left door hinge panel above the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C206

Main harness to the instrument panel harness near the left door hinge panel above the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C207

Main harness to the instrument panel harness near the left door hinge panel above the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C208

Main harness to the left front door harness above the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C211

Main harness to the right front door harness near the right front piller molding

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

301

Floor harness to the left front door harness in the left side center pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C302

Floor harness to the left front door harness in the left side center pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C303

Floor harness to the left front door harness in the left side center pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C304

Floor harness to the right front door harness in the right side center pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C305 (4-Door)

Floor harness to the left rear door harness near the left rear quarter pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C306 (4-Door)

Floor harness to the right rear door harness near the right rear quarter pillar

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C400

Floor harness to the back door harness in the back door

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

Behind the left side of the instrument panel above the junction block

Harness Routing Views in Wiring Systems

--

G201

Behind the right side of the instrument panel near the blower assembly

Harness Routing Views in Wiring Systems

--

P400 (4-Door)

Right rear quarter panel

Harness Routing Views in Wiring Systems

--

P500 (4-Door)

Left front door

Harness Routing Views in Wiring Systems

--

P600 (4-Door)

Right front door

Harness Routing Views in Wiring Systems

--

P700 (4-Door)

Left rear door

Harness Routing Views in Wiring Systems

--

P800 (4-Door)

Right rear door

Harness Routing Views in Wiring Systems

--

S205

Main Harness

Harness Routing Views in Wiring Systems

--

S210

Main Harness

Harness Routing Views in Wiring Systems

--

S221(With Power Door Locks)

Main Harness

Harness Routing Views in Wiring Systems

--

S223 (With Power Door Locks)

Main Harness

Harness Routing Views in Wiring Systems

--

S224 (With Power Door Locks)

Main Harness

Harness Routing Views in Wiring Systems

--

S225 (With Power Door Locks)

Main Harness

Harness Routing Views in Wiring Systems

--

S226

Main Harness

Harness Routing Views in Wiring Systems

--

S227

Main Harness

Harness Routing Views in Wiring Systems

--

S228

Main Harness

Harness Routing Views in Wiring Systems

--

S229

Main Harness

Harness Routing Views in Wiring Systems

--

S230 (With Power Door Locks)

Main Harness

Harness Routing Views in Wiring Systems

--

S243 (With Power Windows)

Main Harness

Harness Routing Views in Wiring Systems

--

S244 (With Power Windows)

Main Harness

Harness Routing Views in Wiring Systems

--

S248

IP Harness

Harness Routing Views in Wiring Systems

--

S256

IP Harness

Harness Routing Views in Wiring Systems

--

S308 (4-Door With Power Door Locks)

Floor Harness

Harness Routing Views in Wiring Systems

--

S309 (4-Door With Power Door Locks)

Floor Harness

Harness Routing Views in Wiring Systems

--

S310 (4-Door With Power Windows)

Floor Harness

Harness Routing Views in Wiring Systems

--

S500

Left Front Door Harness

Harness Routing Views in Wiring Systems

--

S501

Left Front Door Harness

Harness Routing Views in Wiring Systems

--

SP200

Main Harness

Harness Routing Views in Wiring Systems

--

SP201

Main Harness

Harness Routing Views in Wiring Systems

--