GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Battery

Rear of passenger compartment, beneath rear seat cushion

Engine Electrical Component Views

in Engine Electrical

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Battery Thermistor

Under rear seat, attached to positive battery cable

Engine Electrical Component Views

in Engine Electrical

Engine Electrical Connector End Views

in Engine Electrical

Generator (VIN 1)

Top right hand side of the engine

Engine Electrical Component Views

in Engine Electrical

Engine Electrical Connector End Views

in Engine Electrical

Generator (VIN C)

Lower right hand side of the engine

Engine Electrical Component Views

in Engine Electrical

Engine Electrical Connector End Views

in Engine Electrical

Engine Compartment Junction Block

Right hand front of the engine compartment, near the A/C accumulator

Power and Grounding Component Views

in Wiring Systems

Electrical Center Identification Views

in Wiring Systems

IP Fuse Block

Left hand front of the passenger compartment, attached to the door hinge pillar

Power and Grounding Component Views

in Wiring Systems

Electrical Center Identification Views

in Wiring Systems

Instrument Cluster

Left hand side of the instrument panel, above the steering column

Instrument Panel, Gages, and Console Component Views

in Wiring Systems

Instrument Panel, Gages, and Console Connector End Views

in Wiring Systems

Ignition Switch

Left hand front of the passenger compartment, in the left hand top of the steering column

Power and Grounding Component Views

in Wiring Systems

Electrical Center Identification Views

in Wiring Systems

Junction Block

Right hand side of the engine compartment, near the right hand front strut tower

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Park/Neutral Position Switch

Left hand side of the transaxle, below the exhaust gas recirculation valve

Engine Controls Component Views

in Engine Controls 3.8L - 4.0L

Engine Controls Connector End Views

in Engine Controls 3.8L - 4.0L

PASS-Key® II Theft Deterrent Module

Under the right hand side of the instrument panel, near the rear of the instrument panel compartment

Theft Deterrent System Component Views

in Theft Deterrent

Theft Deterrent System Connector End Views

in Theft Deterrent

Powertrain Control Module (PCM)

Under the right hand side of the instrument panel, near the rear of the instrument panel compartment

Engine Controls Component Views

in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls -- 3.8L

Powertrain Control Module (PCM)

Under the right hand side of the instrument panel, near the rear of the instrument panel compartment

Engine Controls Component Views

in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls -- 4.0L

RH Rear Junction Block

Right hand rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views

in Wiring Systems

Electrical Center Identification Views

in Wiring Systems

Starter Enable Relay

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

Engine Electrical Component Views

in Engine Electrical

Engine Electrical Connector End Views

in Engine Electrical

Starter Motor (VIN 1)

Front of the engine, lower left hand side

Engine Electrical Component Views

in Engine Electrical

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Starter Motor (VIN C)

Top of the engine under the intake manifold

Engine Electrical Component Views

in Engine Electrical

--

Starter Solenoid (VIN 1)

Center front of the engine, on the starter motor

Engine Electrical Component Views

in Engine Electrical

--

Starter Solenoid (VIN C)

Center top of the engine, under the intake manifold

Engine Electrical Component Views

in Engine Electrical

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C101 (78 cavities)

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)

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) (Oldsmobile)

Body harness to the park/neutral position switch harness, left hand center of the engine compartment

Harness Routing Views

in Wiring Systems

Inline Harness Connector End Views

in Wiring Systems

C131 (2 cavities) (Oldsmobile)

Engine harness to the starter harness, left hand front of the engine compartment

Harness Routing Views

in Wiring Systems

Inline Harness Connector End Views

in Wiring Systems

C202 (48 cavities)

Body harness to the steering column harness, under the left hand side of the instrument panel

Harness Routing Views

in Wiring Systems

Inline Harness Connector End Views

in Wiring Systems

G201

Right hand front of the passenger compartment, under the kick panel trim plate

Power and Grounding Component Views in Wiring Systems

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G202

Left hand front of the passenger compartment, under the kick panel trim plate

Power and Grounding Component Views

in Wiring Systems

--

G301

Right hand rear of the passenger compartment, under the rear seat cushion

Power and Grounding Component Views

in Wiring Systems

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P100

Left hand rear of the engine compartment, near the base of the strut tower

Harness Routing Views

in Wiring Systems

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P107

Right hand rear of the engine compartment, near the base of the strut tower

Harness Routing Views

in Wiring Systems

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P108

Right hand rear of the engine compartment, near the base of the strut tower

Harness Routing Views

in Wiring Systems

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S209

In the body harness, approx 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, approx 35.5 cm (14.0 in) from the turn signal flasher

Harness Routing Views

in Wiring Systems

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S223

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

Harness Routing Views

in Wiring Systems

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S225

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

Harness Routing Views

in Wiring Systems

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S258

In the body harness, approx 32 cm (12.5 in) from the park brake switch

Harness Routing Views

in Wiring Systems

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S259

In the body harness, approx 160.5 cm (63.0 in) from the powertrain control module (PCM)

Harness Routing Views

in Wiring Systems

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S263

In the body harness, approx 28 cm (11.0 in) from the park brake switch

Harness Routing Views

in Wiring Systems

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S290

In the body harness, approx 73 cm (28.7 in) from the P100 pass-through grommet

Harness Routing Views

in Wiring Systems

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S298

In the body harness, approx 82.5 cm (32.4 in) from the P100 pass-through grommet

Harness Routing Views

in Wiring Systems

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S347

In the body harness, approx. 25.5 cm (10.0 in) from the G302 ground

Harness Routing Views

in Wiring Systems

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