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, on the IP sound insulator

Data Link Communications Component Views

Data Link Communications Connector End Views

Electronic Brake (and Traction) Control Module (EBCM/EBTCM) C1

In the left front of the engine compartment, near the base of the radiator support

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Electronic Brake (and Traction) Control Module (EBCM/EBTCM) C2

In the left front of the engine compartment, near the base of the radiator support

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Electronic Suspension Control (CCR) Module

Left front of the passenger compartment, below the left hand front seat

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Heater and A/C Control (w/ C68)

In the center of the IP, near the radio

HVAC Component Views in HVAC Systems with A/C - Automatic

HVAC Connector End Views in HVAC Systems with A/C - Automatic

Heater and A/C Programmer (Buick w/ CJ2)

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

HVAC Component Views in HVAC Systems with A/C - Automatic

HVAC Connector End Views in HVAC Systems with A/C - Automatic

Heater and A/C Programmer (Oldsmobile w/ CJ2)

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

HVAC Component Views in HVAC Systems with A/C - Automatic

HVAC Connector End Views in HVAC Systems with A/C - Automatic

Heater and A/C Programmer (Pontiac w/ C68)

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

HVAC Component Views in HVAC Systems with A/C - Automatic

HVAC Connector End Views in HVAC Systems with A/C - Automatic

Inflatable Restraint Sensing and Diagnostic Module (SDM)

In the right front of passenger compartment, below the right front seat

SIR Component Views in SIR

SIR Connector End Views in SIR

Instrument Cluster C2 (Oldsmobile)

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

Instrument Cluster and HUD Component Views in Instrument Panel , Gauges and Console

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges and Console

Instrument Cluster C2 (Pontiac w/U50/U2F)

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

Instrument Cluster and HUD Component Views in Instrument Panel , Gauges and Console

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges and Console

IP Fuse Block

Under the left side of the IP, on the left IP sound insulator

Power and Grounding Component Views in Wiring Systems

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Powertrain Control Module (PCM) C1

In the left front of the engine compartment, near the air cleaner housing

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls

Powertrain Control Module (PCM) C2

In the left front of the engine compartment, near the air cleaner housing

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls

Remote Function Actuator (RFA) Module

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

Keyless Entry Component Views in Keyless Entry

Keyless Entry Connector End Views in Keyless Entry

Transmission Position Decoder Module

Center front of the passenger compartment, under the front of the center console

Instrument Cluster and HUD Component Views in Instrument Panel, Gauges and Console

Instrument Cluster and HUD Connector End Views in Instrument Panel, Gauges and Console

C101 (66 cavities)

Body harness to the engine harness, right rear of the engine compartment near the strut tower

Harness Routing Views in Wiring Systems

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C200 (116 cavities)

Body harness to the IP harness, under the center of the IP

Harness Routing Views in Wiring Systems

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C304 (8 cavities)

Body harness to the console harness, under the front of the center console

Harness Routing Views in Wiring Systems

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G101

Right rear of the engine, below the power steering pump

Power and Grounding Component Views in Wiring Systems

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G202

Left front of the passenger compartment, behind the left kick panel trim plate

Power and Grounding Component Views in Wiring Systems

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S110 (VIN 1)

In the engine harness, approximately 6.5 cm (2.5 in) from the generator harness breakout

Harness Routing Views in Wiring Systems

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S110 (VIN K)

In the engine harness, approximately 6.5 cm (2.5 in) from the generator harness breakout

Harness Routing Views in Wiring Systems

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S207

In the body harness, approximately 12 cm (4.7 in) from the center IP harness channel breakout

Harness Routing Views in Wiring Systems

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S209

In the IP harness, approximately 14 cm (5.5 in) from C200

Harness Routing Views in Wiring Systems

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S224

In the IP harness, approximately 17 cm (6.7 in) from the radio breakout

Harness Routing Views in Wiring Systems

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S225

In the body harness, approximately 49.5 cm (19.4 in) from the top edge of the left hand foot well harness channel

Harness Routing Views in Wiring Systems

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S226

In the body harness, approximately 31.5 cm (12.4 in) from the data link connector

Harness Routing Views in Wiring Systems

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S273

In the body harness, approximately 17 cm (6.7 in) into the C101 breakout

Harness Routing Views in Wiring Systems

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S278

In the body harness, approximately 42.5 cm (16.7 in) from the remote function actuator module breakout

Harness Routing Views in Wiring Systems

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