GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Data Link Connector (DLC)

LH side of instrument panel, below the steering column

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Data Link Communications Connector End Views in Data Link Communications

Instrument Panel Electrical Center

RH footwell, mounted on the toe board, behind the carpet

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LH Seat Adjuster Switch

Front LH side of the LH seat

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Power Seat Connector End Views in Seats

LH Seat Control Module (SCM)

Under the front of the LH seat

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Power Seat Connector End Views in Seats

LH Seat Lower Motor

Under the center of the LH seat

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Power Seat Connector End Views in Seats

LH Seat Pump

Inside the LH seat back

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Power Seat Connector End Views in Seats

LH Seat Relay Center

Under the center of the LH seat

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Power Seat Connector End Views in Seats

RH Seat Adjuster Switch

Front RH side of the RH seat

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Power Seat Connector End Views in Seats

RH Seat Lower Motor

Under the center of the RH seat

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Power Seat Connector End Views in Seats

RH Seat Pump

Inside the RH seat back

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Power Seat Connector End Views in Seats

RH Seat Relay Center

Under the center of the RH seat

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Power Seat Connector End Views in Seats

Star Connector #2

Instrument panel harness, serial data, LH side of the Body Control Module (BCM)

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C301 (6 cavities)

Instrument Panel harness to LH seat harness, under LH seat

Entertainment Component Views in Entertainment

Inline Harness Connector End Views in Wiring Systems

C302 (6 cavities)

Front body harness to RH seat harness, under RH seat

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Inline Harness Connector End Views in Wiring Systems

S205

Instrument panel harness, approximately 6.5 cm (2.5 in) from the Data Link Connector (DLC) breakout (CKT 9)

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S300 - IDC

RH power seat harness, approximately 4.0 cm (1.5 in) from the breakout for the RH seat relay center connector C1 (CKT 1140)

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S301 - IDC

LH power seat harness, approximately 2.5 cm (0.9 in) from the breakout for C301 (CKT 150)

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S391

LH power seat harness,

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S392

LH power seat harness,

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SP302 - Splice Pack 302

Front body harness, approximately 83.5 cm (33.4 in) from RH power seat breakout (C302), grounded to G302 (CKT 150)

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G205

Instrument panel harness, behind the LH seat , at the antenna module (CKT 150)

Entertainment Component Views in Entertainment

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G302

Front body harness, on the RH B-Pillar, ground for SP302 (CKT 150)

Power and Grounding Component Views in Wiring Systems

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