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 Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Ignition Lock Cylinder

In the left front of the passenger compartment, at the right top of the steering column

Lighting Systems Component Views in Lighting Systems

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Ignition Switch

In the left front of the passenger compartment, at the left top of the steering column

Lighting Systems Component Views in Lighting Systems

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Instrument Cluster

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

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges, and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console

IP Fuse Block

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

Power and Grounding Component Views in Wiring Systems

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Lamp Control Module (LCM) (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) (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 Jamb Switch

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

Power Door Systems Component Views in Doors

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LH Front Door Lock Cylinder Switch

At the rear of the left front door, on the door lock cylinder

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Theft Deterrent System Connector End Views

LH Rear Door Jamb Switch

Rear of the left hand door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

Park/Neutral Position (PNP) Switch (Buick)

On the left side of the transaxle, below the exhaust gas recirculation valve

Engine Controls Component Views in Engine Controls-3.8L or Engine Controls Component Views in Engine Controls-4.0L, 4.6L

Engine Controls Connector End Views in Engine Controls-3.8L or Engine Controls Connector End Views in Engine Controls-4.0L, 4.6L

PASS-Key® II Theft Deterrent Module

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

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Powertrain Control Module (PCM)

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

Engine Controls Component Views in Engine Controls-3.8L or Engine Controls Component Views in Engine Controls-4.0L, 4.6L

Powertrain Control Module Connector End Views in Engine Controls-3.8L or Powertrain Control Module Connector End Views in Engine Controls-4.0L, 4.6L

Rear Compartment Lid Tamper Switch

At the center of the rear compartment, on the rear compartment latch

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Theft Deterrent System Connector End Views

Remote Function Actuator (RFA) Module

In the right rear 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

On the left of the of the instrument panel, above the instrument cluster

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Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges, and Console

RH Front Door Jamb Switch

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

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Lighting Systems Connector End Views in Lighting Systems

RH Front Door Lock Cylinder Switch

At the rear of the right front door, on the door lock cylinder

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Theft Deterrent System Connector End Views

RH Front Door Lock/Window Switch

On the right front door trim panel, in the armrest

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Rear Door Jamb Switch

Rear of the right hand rear door, on the door latch assembly

Power Door Systems Component Views in Doors

Power Door Systems Connector End Views in Doors

RH Rear Junction Block

In the right rear 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

Starter Enable Relay

Under the left side of the instrument panel, near the body control module

Theft Deterrent System Component Views

Theft Deterrent System Connector End Views

Starter Solenoid (VIN 1)

On the center front of the engine, on the starter motor

Engine Electrical Component Views in Engine Electrical

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Starter Solenoid (VIN C)

On the center top of the engine, under the intake manifold

Engine Electrical Component Views in Engine Electrical

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C101 (78 cavities)

In the body harness to the engine harness, center rear of the engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C102 (30 cavities)

In the body harness to the body harness, center rear of the engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C114 (7 cavities)

In the body harness to the park/neutral switch harness, left center of the engine compartment

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C131 (2 cavities)

In the engine harness to the starter harness, under the left side of the instrument panel

Harness Routing Views in Wiring Systems

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C202 (48 cavities)

In the body harness to the steering column harness, under the left side of the instrument panel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G201

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

Power and Grounding Component Views in Wiring Systems

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G302

At the left rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views in Wiring Systems

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P100

At the left rear of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

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P107

At the right rear of the engine compartment, near the base of the strut tower

Harness Routing Views in Wiring Systems

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P500

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

Harness Routing Views in Wiring Systems

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P600

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

Harness Routing Views in Wiring Systems

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P700

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

Harness Routing Views in Wiring Systems

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P800

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

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 (2.8 in) from the P600 pass-though

Harness Routing Views in Wiring Systems

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S223

In the body harness, approximately 28.5 cm (11.2 in) from the P100 pass-through

Harness Routing Views in Wiring Systems

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S225

In the body harness, approximately 24.5 cm (9.6 in) from the G201 ground

Harness Routing Views in Wiring Systems

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S241

In the body harness, approximately 82.5 cm (32.5 in) from the powertrain control module

Harness Routing Views in Wiring Systems

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S248

In the body harness, approximately 43.5 cm (17.1 in) from the powertrain control module

Harness Routing Views in Wiring Systems

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S253

In the body harness, approximately 32 cm (12.6 in) from the G201 ground

Harness Routing Views in Wiring Systems

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S254

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

Harness Routing Views in Wiring Systems

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S258

In the body harness, approximately 32 cm (12.6 in) from the park brake switch

Harness Routing Views in Wiring Systems

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S260

In the body harness, approximately 30 cm (11.8 in) from the P107 pass-through

Harness Routing Views in Wiring Systems

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S261

In the body harness, approximately 61.5 cm (24.2 in) from the power train control module

Harness Routing Views in Wiring Systems

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S359

In the body harness, approximately 139 cm (54.7 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

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S363

In the body harness, approximately 76 cm (30 in) from the G302 ground

Harness Routing Views in Wiring Systems

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S366

In the body harness, approximately 111 cm (43.7 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

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S418

In the body harness, approximately 92 cm (36.2 in) from the P800 pass-through

Harness Routing Views in Wiring Systems

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S427

In the body harness, approximately 95.5 cm (37.6 in) from the C410 connector

Harness Routing Views in Wiring Systems

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S451

In the body harness, approximately 150 cm (59 in) from the P800 pass-through

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