GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Accelerator and Servo Control Module (ASM)

Under the left side of the instrument panel, near the kick panel

Harness Routing Views

Antilock Brake System Connector End Views

Accelerator Control and Adjuster

In engine compartment, forward of the right front wheelhouse

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Brake Malfunction Indicator Lamp Driver Module

Behind the center of the instrument panel near the HVAC control

HVAC Component Views

Antilock Brake System Connector End Views

Brake Pressure Modulator Valve (BPMV)

Mounted to the left front frame rail

Harness Routing Views

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Cruise Control Module

Mounted to the left frame rail, forward of the wheelhouse

Cruise Control Component Views

Cruise Control Connector End Views

Data Link Connector (DLC)

Under the instrument panel, right of the steering column

Instrument Panel, Gages, and Console Component Views

Power and Grounding Connector End Views

Electronic Brake and Traction Control Module (EBTCM)

Mounted with brake pressure modulator valve on the top of the left front frame rail

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Electronic Brake Control Module (EBTCM)

Mounted with brake pressure modulator valve on the top of the left front frame rail

Antilock Brake System Component Views

Antilock Brake System Connector End Views

Instrument Cluster

On the left side of the instrument panel

Instrument Panel, Gages, and Console Component Views

Instrument Panel, Gages, and Console Connector End Views

IP Fuse Block

On the left end of the instrument panel carrier

Instrument Panel, Gages, and Console Component Views

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Park Neutral Position Switch

Under the console, on the base of the shift control lever

Tilt Wheel/Column Component Views

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Powertrain Control Module (PCM) (V6 VIN K)

On the right side of the engine compartment, rear of the wheelhouse

Power and Grounding Component Views

Powertrain Control Module Connector End Views

Powertrain Control Module (PCM) (V8 VIN G)

On the right side of the engine compartment, rear of the wheelhouse

Power and Grounding Component Views

Powertrain Control Module Connector End Views

Stop Lamp Switch

Mounted on the brake pedal bracket

Cruise Control Component Views

Antilock Brake System Connector End Views

Throttle Position (TP) Sensor (V6 VIN K)

Mounted to the front of the throttle body

Engine Controls Component Views

Engine Controls Connector End Views

Throttle Position (TP) Sensor (V8 VIN G)

Mounted to the front of the throttle body

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Engine Controls Connector End Views

Traction Control Switch (Chevrolet)

In the center of the instrument panel, above the HVAC control

Lighting Systems Component Views

Antilock Brake System Connector End Views

Traction Control Switch (Pontiac)

On the left side of the upper console

Lighting Systems Component Views

Antilock Brake System Connector End Views

Underhood Electrical Center 1

On the Left front corner of the engine compartment

Power and Grounding Component Views

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Underhood Electrical Center 2

On the left front corner of the engine compartment

Power and Grounding Component Views

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Wheel Speed Sensor, Left Front

Middle of left front steering knuckle

Harness Routing Views

Antilock Brake System Connector End Views

Wheel Speed Sensor, Left Rear

Mounted to rear backing plate of wheel disc

Harness Routing Views

Antilock Brake System Connector End Views

Wheel Speed Sensor, Rear (without NW9)

Top of rear differential

--

Antilock Brake System Connector End Views

Wheel Speed Sensor, Right Front

Middle of right front steering knuckle

Harness Routing Views

Antilock Brake System Connector End Views

Wheel Speed Sensor, Right Rear

Mounted to rear backing plate of wheel disc

Harness Routing Views

Antilock Brake System Connector End Views

C100 (10 cavities)

Engine to forward lamp harness, in the engine compartment, above the right wheelhouse

Harness Routing Views

Inline Harness Connector End Views

C120 (2 cavities)

Forward lamp to wheel speed sensor jumper harness, mounted to left frame rail

--

Inline Harness Connector End Views

C200A (17 cavities)

Forward lamp to instrument panel harness, behind the left kick panel and steering column

Harness Routing Views

Inline Harness Connector End Views

C200B (18 cavities)

Forward lamp to instrument panel harness, between the left kick panel and the steering column

Harness Routing Views

Inline Harness Connector End Views

C200D (48 cavities)

Part of the instrument panel harness, between the left kick panel and the steering column

Harness Routing Views

Inline Harness Connector End Views

C211 (8 cavities)

Forward lamp to traction control module jumper harness, under the left side of the instrument panel, near the kick panel

Harness Routing Views

Inline Harness Connector End Views

C212 (10 cavities)

Forward lamp to traction control module jumper harness, under the left side of the instrument panel, near the kick panel

Harness Routing Views

Inline Harness Connector End Views

C220 (10 cavities)

Instrument panel to engine harness, under the right side of the instrument panel, behind the knee bolster

Harness Routing Views

Inline Harness Connector End Views

C405B (16 cavities)

Instrument panel harness pass through connector, forward of the rear axle

Harness Routing Views

Inline Harness Connector End Views

C405C (4 cavities)

Rear wheel speed sensor jumper to the instrument panel harness pass through connector, forward of the rear axle to the speed sensor (ABS)

Harness Routing Views

Inline Harness Connector End Views

G101

In the engine compartment, attached to the front of the left wheelhouse

Harness Routing Views

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G106

Attached to the top left side of the radiator support

Harness Routing Views

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G110 (V6 VIN K)

In the front of the engine, bolted to the pulley above the A/C clutch connector

Harness Routing Views

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G110 (V8 VIN G)

Attached to the rear of the left cylinder head

Harness Routing Views

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G305

Bolted to the left rocker panel at the floor pan bar 3

Harness Routing Views

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P100

Left side in the dash panel, engine to the passenger compartment

Harness Routing Views

--

P110

Right side in the dash panel, engine to the passenger compartment

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S113

In the forward lamp harness approximately 7 cm (3 in) from the engine coolant fans/cruise control

--

--

S116 (V8 VIN G)

Engine harness, approximately 9 cm (4 in) from manifold absolute pressure (MAP) sensor breakout

--

--

S118 (V8 VIN G)

Engine harness, approximately 15 cm (6 in) from manifold absolute pressure (MAP) sensor breakout

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--

S119 (V8 VIN G) (Automatic Transmission)

Engine harness, main branch, approximately 8 cm (3 in) from automatic transmission breakout

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--

S119 (V8 VIN G) (Manual Transmission)

Engine harness, main branch, approximately 9 cm (4 in) from vehicle speed sensor breakout

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S120 (V8 VIN G)

Engine harness, main branch, 8 cm (3 in) from powertrain control module (PCM) breakout

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S154

Forward lamp harness, approximately 13 cm (5 in) from C120 (left front wheel speed sensor) breakout

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S181

In the forward lamp harness, approximately 20 cm (8 in) from the UH electrical center 1 breakout

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--

S184

In the forward lamp harness, approximately 5 cm (2 in) from the UH electrical center 1 breakout

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--

S203

In the forward lamp harness, main branch, approximately 4 cm from C211/C212 breakout, toward C200

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--

S204

Forward lamp harness, main branch, at C211/C212 breakout

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--

S205

Forward lamp harness, main branch, approximately 4 cm (2 in) from C211/C212 breakout, toward P100

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--

S206

Instrument panel, at rear compartment lid release relay breakout

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--

S207

In the instrument panel harness, main branch, approximately 4 cm (2 in) from the data link connector (DLC) breakout

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--

S209

Forward lamp harness, main branch, approximately 11 cm (5 in) from C211/C212 breakout, toward P100

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--

S215

In the instrument panel harness, main branch, approximately 11 cm (4 in) from the antenna cable breakout

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--

S216

In the instrument panel harness, main branch, approximately 10 cm (4 in) from the instrument cluster breakout

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--

S217

In the instrument panel harness, main branch, approximately 18 cm (7 in) from the body control module (BCM) breakout

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--

S225

Instrument panel harness, approximately 6 cm (2 in) from blower motor breakout

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S228

Instrument panel harness, main branch, approximately 20 cm (8 in) from rear compartment lid release relay breakout

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S243

Instrument panel harness, approximately 9 cm (4 in) from G200 breakout

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--

S278

Forward lamp harness, approximately 7 cm (3 in) into C215 breakout

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