GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Body Control Module (MALL) C1

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

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

Body Control Module (MALL) C2

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

Body Control System Component Views in Body Control System

Body Control System Connector End Views in Body Control System

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

Engine Coolant Level Switch (Buick)

In the right front of the engine compartment, in the right radiator tank

Engine Controls Component Views in Engine Controls-3.8L

Engine Controls Connector End Views in Engine Controls-3.8L

Engine Coolant Level Switch (Oldsmobile)

In the left side of the engine compartment, in the bottom of the coolant reservoir

Engine Controls Component Views in Engine Controls-4.0L, 4.6L

Engine Controls Connector End Views in Engine Controls-4.0L, 4.6L

Engine Oil Pressure Switch (Buick)

In the right rear corner of the engine, below the power steering pump

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Fuel Tank Unit (Buick)

Under the center of the rear vehicle, in the fuel tank

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Engine Controls Connector End Views in Engine Controls-3.8L

Fuel Tank Unit (Oldsmobile)

Under the center of the rear vehicle, in the fuel tank

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Engine Controls Connector End Views in Engine Controls-4.0L, 4.6L

Heater and A/C Control (Buick)

In the center of the IP, near the radio

HVAC Component Views in HVAC Systems with A/C-Automatic

HVAC Connector End Views in HVAC Systems with A/C-Automatic

Heater and A/C Control (Oldsmobile)

In the center of the IP, near the radio

HVAC Component Views in HVAC Systems with A/C-Automatic

HVAC Connector End Views in HVAC Systems with A/C-Automatic

Inflatable Restraint Sensing and Diagnostic Module (SDM)

On the right front side of the passenger compartment, below the right front seat

SIR Component Views in SIR

SIR Connector End Views in SIR

Instrument Cluster C1 (Buick)

On the left side of the IP, above the steering column

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Instrument Cluster C1 (Oldsmobile)

On the left side of the IP, above the steering column

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Instrument Cluster C2 (Buick)

On the left side of the IP, above the steering column

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

Instrument Cluster C2 (Oldsmobile)

On the left side of the IP, above the steering column

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

IP Compartment Lamp Switch

On the right side of the IP, in the IP compartment

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

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

Lamp Control Module (LCM) C1 (Buick)

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

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Lamp Control Module (LCM) C1 (Oldsmobile)

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

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Lamp Control Module (LCM) C2 (Buick)

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

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Lamp Control Module (LCM) C2 (Oldsmobile)

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

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

LH Front Door Lock Actuator C1 (Buick)

In the rear of the left front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Front Door Lock Actuator C1 (Oldsmobile)

In the rear of the left front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Front Door Lock Actuator C2 (Buick)

In the rear of the left front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Front Door Lock Actuator C2 (Oldsmobile)

In the rear of the left front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Rear Door Lock Actuator C1

On the rear side of the left rear door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Rear Door Lock Actuator C2

On the rear side of the left rear door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

LH Seat Switch (Oldsmobile)

In the center of the left front door, on the door trim panel

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Power Seat Connector End Views in Seats

Powertrain Control Module (PCM) C1 (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) C1 (Oldsmobile)

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

Engine Controls Component Views in Engine Controls-4.0L, 4.6L

Engine Controls Connector End Views in Engine Controls-4.0L, 4.6L

Powertrain Control Module (PCM) C2 (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) C2 (Oldsmobile)

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

Engine Controls Component Views in Engine Controls-4.0L, 4.6L

Engine Controls Connector End Views in Engine Controls-4.0L, 4.6L

Remote Function Actuator (RFA) Module

On the right rear side of the passenger compartment, under the rear shelf trim panel

Keyless Entry Component Views in Keyless Entry

Keyless Entry Connector End Views in Keyless Entry

Remote Indicator Bank (Oldsmobile)

On the left side of the IP, above the IC

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

RH Front Door Lock Actuator C1 (Buick)

In the rear of the right front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Front Door Lock Actuator C1 (Oldsmobile)

In the rear of the right front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Front Door Lock Actuator C2 (Buick)

In the rear of the right front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Front Door Lock Actuator C2 (Oldsmobile)

In the rear of the right front door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Rear Door Lock Actuator C1

On the rear of the right rear door, on the door latch assembly

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

RH Rear Door Lock Actuator C2

On the rear of the right rear door, on the door latch assembly

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

RH Rear Fuse Block

On the right rear side of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Trip Odometer Reset Switch

On the left side of the IP, near the steering column

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Instrument Panel, Gages, and Console Connector End Views

Turn Signal Flasher

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

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Windshield Washer Solvent Level Switch

On the right rear side of the engine compartment, behind the right wheel house

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Wiper/Washer Connector End Views in Wipers/Washer Systems

C101 (78 cavities)

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

Harness Routing Views in Wiring Systems

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C102 (30 cavities)

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

Harness Routing Views in Wiring Systems

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C105 (5 cavities)

Body harness to the windshield washer harness, on the right front side of the engine compartment

Harness Routing Views in Wiring Systems

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C202 (48 cavities)

Body harness to the steering column harness, under the left side of the IP

Harness Routing Views in Wiring Systems

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C301 (23 cavities)

Body harness to the left seat harness, under the left front seat

Harness Routing Views in Wiring Systems

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C306 (4 cavities)

Body harness to the left front seat harness, under the left front seat

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G101

On the right side of the engine compartment, on the engine, near the oil pressure switch

Power and Grounding Component Views in Wiring Systems

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G103

On the right side of the engine compartment, on the lower rail, near the upper engine mount

Power and Grounding Component Views in Wiring Systems

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G201

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

Power and Grounding Component Views in Wiring Systems

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G202

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

Power and Grounding Component Views in Wiring Systems

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P100

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

Harness Routing Views in Wiring Systems

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P107

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

Harness Routing Views in Wiring Systems

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P500

On the front of the left front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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P600

On the front of the right front door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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P700

On the front of the left rear door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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P800

On the front of the right rear door jamb, near the door hinges

Harness Routing Views in Wiring Systems

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S106 (VIN 1)

In the engine harness, approximately 18 cm (7.0 in) from the fuel injector #4

Harness Routing Views in Wiring Systems

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S106 (VIN C)

In the engine harness, approximately 16 cm (6.2 in) from the C106 connector

Harness Routing Views in Wiring Systems

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S115

In the body harness, approximately 32 cm (12.6 in) from the C105 connector

Harness Routing Views in Wiring Systems

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S209

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

Harness Routing Views in Wiring Systems

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S211

In the body harness, approximately 35.5 cm (14 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

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S212

In the body harness, approximately 7 cm (2.7 in) from P600

Harness Routing Views in Wiring Systems

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S214

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

Harness Routing Views in Wiring Systems

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S220

In the body harness, approximately 39.5 cm (15.5 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

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S225

In the body harness, approximately 25.5 cm (10 in) from G201

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S231

In the body harness, approximately 54.5 cm (21.4 in) from the turn signal flasher

Harness Routing Views in Wiring Systems

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S234

In the body harness, approximately 178.5 cm (70.2 in) from the PCM

Harness Routing Views in Wiring Systems

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S241

In the body harness, approximately 82.5 cm (34.4 in) from the PCM

Harness Routing Views in Wiring Systems

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S242

In the body harness, approximately 69 cm (27.1 in) from the PCM

Harness Routing Views in Wiring Systems

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S258

In the body harness, approximately 35 cm (13.8 in) from the park brake switch

Harness Routing Views in Wiring Systems

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S259

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

Harness Routing Views in Wiring Systems

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S261

In the body harness, approximately 61.5 cm (24.2 in) from the PCM

Harness Routing Views in Wiring Systems

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S263

In the body harness, approximately 31 cm (12.2 in) from the park brake switch

Harness Routing Views in Wiring Systems

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S264

In the IP harness, approximately 56.5 cm (22.2 in) from the radio

Harness Routing Views in Wiring Systems

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S290

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

Harness Routing Views in Wiring Systems

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S297

In the body harness, approximately 76 cm (29.9 in) from the PCM

Harness Routing Views in Wiring Systems

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S298

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

Harness Routing Views in Wiring Systems

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S304

In the driver seat harness, approximately 39.5 cm (15.5 in) from the C301 connector

Harness Routing Views in Wiring Systems

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S309

In the body harness, approximately 19 cm (7.4 in) from G302

Harness Routing Views in Wiring Systems

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S310

In the driver seat harness, approximately 43 cm (16.9 in) from the C301 connector

Harness Routing Views in Wiring Systems

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S363

In the body harness, approximately 76 cm (29.9 in) from G302

Harness Routing Views in Wiring Systems

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S364

In the body harness, approximately 142 cm (55.9 in) from P800

Harness Routing Views in Wiring Systems

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S365

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

Harness Routing Views in Wiring Systems

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S507

In the body harness, approximately 61.5 cm (24.2 in) from P500

Harness Routing Views in Wiring Systems

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