GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)

On the bottom of the IP, right of the steering column

Data Link Communications Component Views in Data Link Communications

Data Link Communications Connector End Views in Data Link Communications

Electronic Brake Traction Control Module (EBTCM)

Left side of the engine compartment, part of the brake pressure modulator valve, mounted to the left strut tower

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Front Wheel Speed Sensors

Inside the wheel hub

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Powertrain Control Module (PCM)

Left side of the engine compartment, inside the air cleaner assembly

Engine Controls Component Views in Engine Controls - 3.1L and

Engine Controls Component Views in Engine Controls - 3.8L

Powertrain Control Module Connector End Views in Engine Controls - 3.1L and

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

Rear Wheel Speed Sensors

In the rear wheel hubs

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Steering Gear (MSVA Actuator)

Lower rear of the engine compartment, behind the transaxle

Steering Assist Component Views

Steering Assist Connector End Views

Underhood Accessory Wiring Junction Block

Right side of the engine compartment, mounted to the strut tower

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C101 (20 cavities)

IP wiring harness to the engine wiring harness, on the left side of the engine compartment on the front of the strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C103 (3 cavities)

IP wiring harness to the engine wiring harness, on the left side of the engine compartment on the front of the strut tower

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C171 (2 cavities)

IP wiring harness to the left front electronic brake control wiring harness, to the rear of and below the air cleaner/PCM housing

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C172 (2 cavities)

IP wiring harness to the right front electronic brake control wiring harness, on the right front lower control arm

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C371 (2 cavities)

Body wiring harness to the left rear electronic brake control wiring harness, below the vehicle forward of the left rear wheel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C372 (2 cavities)

Body wiring harness to the right rear electronic brake control wiring harness, below the vehicle, forward of the right rear wheel

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

P101

Upper left side of the dash panel

Harness Routing Views in Wiring Systems

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P371

In the floor pan below the left side of the rear seat

Harness Routing Views in Wiring Systems

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P372

In the floor pan below the right side of the rear seat

Harness Routing Views in Wiring Systems

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S131

Engine wiring harness, on the left side of the engine compartment, approximately 4 cm (2 in) from the EBTCM breakout

Harness Routing Views in Wiring Systems

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S237

IP wiring harness, behind the center of IP, approximately 30 cm (12 in) from the data link connector breakout

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