GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (BCM)

At the lower rear of the IP, on the heater

Body Control System Component Views in Body Control System

--

Body Control Module (BCM) Connector C1, (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

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

Data Link Connector (DLC)

To the lower right of the IP

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Ignition Key Alarm Switch

Part of the steering column at the ignition switch

--

--

IP Fuse Block

To the right of the IP, near the right front door jamb switch

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Passlock Sensor

At the ignition switch, part of the lock module

--

--

Park Brake Warning Switch

Part of the automatic transmission controller

--

Hydraulic Brake Connector End Views in Hydraulic Brakes

Seat Belt Switch

Under the right front seat

--

Power Seat Connector End Views in Seats

Underhood Fuse Block

On the top of the right inner wheelwell near the battery

Power and Grounding Component Views in Wiring Systems

--

Underhood Fuse Block Connector C1 (68 Cavities)

Below the underhood fuse block

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Vehicle Control Module (VCM)

To the left of the engine compartment

Engine Controls Component Views in Engine Controls

--

Vehicle Control Module (VCM) Connector C4 (24 Cavities)

To the left of the engine compartment

Engine Controls Component Views in Engine Controls

VCM Connector End Views in Engine Controls

C203 (116 Cavities)

At the body harness to the IP harness, to the left of the IP

--

Inline Harness Connector End Views in Wiring Systems

C211 (48 Cavities)

At the body harness to steering column harness, in front of the IP, near the steering column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C315 (6 Cavities)

At the body harness to the right front seat harness, under the right front seat

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G200

(CKT 1850) At the body harness, to the left front of the IP

--

--

G201

(CKT 1850) At the body harness, to the left front of the IP

--

--

G450

(CKT 1350) At the body harness, in the left rear body corner, near the tail lamp harness

Power and Grounding Component Views in Wiring Systems

--

P100

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

--

--

S201

(CKT 1807) At the body harness 45 cm (18.2 in) from the BCM connector breakout toward the C211 steering column connector

--

--

S204

(CKT 41) At the body harness 13 cm (5.2 in) from the BCM connector breakout toward the C211 steering column connector

--

--

S209

(CKT 1850) At the body harness 6.5 cm (2.6 in) from the BCM connector breakout toward the C211 steering column connector

--

--

S210

(CKT 1140) At the body harness 59.5 cm (23.8 in) from the BCM connector breakout toward the body relay block

--

--

S320

(CKT 1350) In the RH power seat harness

--

--

S427

(CKT 1350) At the left rear body harness 7 cm (2.75 in) forward of the breakout to the left tail lamp connector C403

Power and Grounding Component Views in Wiring Systems

--