GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC) OBD 2

Below the left side of the IP, near the center console

Data Link Communications Component Views

Data Link Communications Connector End Views

Electronic Brake Control Module (EBCM) (With ABS)

Behind the left IP, above the junction block

Antilock Brake System Component Views in Antilock Brake System

Antilock Brake System Connector End Views in Antilock Brake System

Inflatable Restraint Sensing and Diagnostic Module (SDM)

The center of the console, in front of the manual selector

SIR Component Views in SIR

SIR Connector End Views inSIR

Junction Block

Behind the left side of the IP

Power and Grounding Component Views

Power and Grounding Connector End Views

Powertrain Control Module (PCM)

Behind the right side of the IP, near the glove box

Engine Controls Component Views in Engine Controls

Powertrain Control Module Connector End Views in Engine Controls

C200 (12 Cavities)

The main harness to the IP harness, behind the left IP, near the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C205 (12 Cavities)

The IP harness to the engine harness, behind the right side of the IP, near the powertrain control module (PCM)

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C210 (5 Cavities)

Supplemental inflatable restraint (SIR) harness to the IP harness, behind the left side of the IP, near the junction block

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G105 (VIN 6)

The center rear of the engine, on the intake manifold

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G203

The junction-block case ground, under the left side of the IP

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S222

The IP harness, approximately 6 cm (2.375 in) from the data link connector - (DLC -OBD2) breakout

Harness Routing Views in Wiring Systems

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S235

The IP harness, approximately 5 cm (2 in) from the C200 breakout

Harness Routing Views in Wiring Systems

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S236

The IP harness, approximately 8 cm (3.125 in) from the C3 breakout of the IP cluster assembly connector

Harness Routing Views in Wiring Systems

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S237

The IP harness, approximately 10 cm (4 in) from the radio-connector breakout

Harness Routing Views in Wiring Systems

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S240

The IP harness, approximately 6 cm (2.375 in) from the data link connector - (DLC -OBD2) breakout

Harness Routing Views in Wiring Systems

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S245

The IP harness, approximately 12 cm (5 in) from the C3 breakout of the I/P cluster assembly connector

Harness Routing Views in Wiring Systems

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S249

The IP harness, approximately 1 cm (0.375 in) from the C2 breakout of the IP cluster assembly connector

Harness Routing Views in Wiring Systems

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