GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Continuously Variable Road Sensing Suspension (CVRSS) Module

Right rear of the passenger compartment, behind the rear seat on the electronics bay

Suspension Controls Component Views in Road Sensing Suspension-RSS

Suspension Controls Connector End Views in Road Sensing Suspension-RSS

Data Link Connector (DLC)

Under the left side of the instrument panel, on the hood release bracket

Data Link Communications Component Views in Wiring Systems

Data Link Communications Connector End Views in Wiring Systems

Electronic Brake and Traction Control Module (EBTCM)

Left front corner of the engine compartment, on the brake pressure modulator valve

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Instrument Cluster

Left side of the instrument panel, 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

Lateral Accelerometer

Right of the passenger compartment, below the front seat on the #2 bar

Antilock Brake System Component Views

Antilock Brake System Connector End Views

LH Front Wheel Speed Sensor

Behind the left front wheel, on the back of the hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

LH Rear Wheel Speed Sensor

Behind the left rear wheel, on the back of the hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Powertrain Control Module (PCM)

Left front corner of the engine compartment, under the air cleaner housing

Engine Controls Component Views in Engine Controls-4.6L

Powertrain Control Module Connector End Views in Engine Controls-4.6L

RH Front Wheel Speed Sensor

Behind the right front wheel, on the back of the hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

RH Rear Wheel Speed Sensor

Behind the right rear wheel, on the back of the hub

Antilock Brake System Component Views

Antilock Brake System Connector End Views

RH Underhood Fuse Block

Left rear of the engine compartment, near the engine compartment fuse/relay center

Power and Grounding Component Views in Wiring Systems

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Steering Wheel Position Sensor (SWPS)

Under the left side of the instrument panel, on the base of the steering column

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Stoplamp/BTSI Switch

Under left side of the instrument panel, near the top of the brake pedal

Antilock Brake System Component Views

Tilt Wheel/Column Connector End Views in Steering Wheel and Column-Tilt

Traction Control Switch

Right side of the instrument panel, in the instrument panel compartment

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Antilock Brake System Connector End Views

Underhood Fuse Block

Left of the engine compartment, near the front strut tower

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Variable Steering Actuator

Rear of the engine compartment, on the power steering rack

Steering Assist Component Views in Variable Effort Steering

Steering Assist Connector End Views in Variable Effort Steering

Yaw Rate Sensor

Center front of the rear compartment, on the bottom of the package shelf

Antilock Brake System Component Views

Antilock Brake System Connector End Views

C101 (23 cavities)

Body harness to the engine harness, left of the engine compartment near the engine compartment fuse/relay center

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C201 (16 cavities)

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

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C203 (16 cavities)

Body harness to the instrument panel harness, under the right side of the instrument panel near the instrument panel compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C205 (3 cavities)

Body harness to the engine harness, under the right side of the instrument panel near the instrument panel compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C207 (6 cavities)

Body harness to the engine harness, under the right side of the instrument panel near the instrument panel compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C412 (4 cavities)

Body harness to the chassis harness, under the center rear of the vehicle near the rear suspension

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G107

Lower left front corner of the engine, below the thermostat housing

Power and Grounding Component Views in Wiring Systems

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G110

Left front corner of the engine compartment, on the radiator support

Power and Grounding Component Views in Wiring Systems

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G205

Right front of the passenger compartment, behind the kick panel

Power and Grounding Component Views in Wiring Systems

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P100

Right rear of the engine compartment, near the strut tower

Harness Routing Views in Wiring Systems

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P101

Left rear of the engine compartment, near the strut tower

Harness Routing Views in Wiring Systems

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P400

Rear of the passenger compartment, near the electronics bay

Harness Routing Views in Wiring Systems

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S130

In the engine harness, approximately 90 cm (35.4 in) from the right hand cooling fan motor connector

Harness Routing Views in Wiring Systems

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S154

In the engine harness, approximately 15 cm (5.9 in) from the C101 connector

Harness Routing Views in Wiring Systems

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S202

In the body harness, approximately 5.5 cm (2.2 in) from G204 breakout

Harness Routing Views in Wiring Systems

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S203

In the body harness, approximately 4.5 cm (1.8 in) from the SDM connector breakout

Harness Routing Views in Wiring Systems

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S216

In the instrument panel harness, approximately 21 cm (8.3 in) from the valet switch connector

Harness Routing Views in Wiring Systems

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S222

In the engine harness, approximately 11.5 cm (4.5 in) from the C205 connector breakout

Harness Routing Views in Wiring Systems

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S223

In the engine harness, approximately 22.5 cm (8.9 in) from the P100 pass-through

Harness Routing Views in Wiring Systems

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S323 (DeVille)

In the body harness, approximately 28 cm (11 in) from the radio connector breakout

Harness Routing Views in Wiring Systems

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S323 (Eldorado)

In the body harness, approximately 30 cm (11.8 in) from the P600 pass-through breakout

Harness Routing Views in Wiring Systems

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