GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Brake Pressure Differential Switch

Part of the electronic brake control module, LH frame rail near center of vehicle

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Daytime Running Lamp Control Module

Under LH side of IP

Lighting Systems Component Views in Lighting Systems

Lighting Systems Connector End Views in Lighting Systems

Electronic Brake Control Module (EBCM)

LH frame rail near center of vehicle

Antilock Brake System Component Views in ABS

Antilock Brake System Connector End Views in ABS

Ignition Switch

RH side of steering column

Steering Column Disassembled View (Standard) or Steering Column Disassembled View (Tilt) in Steering

Inline Harness Connector End Views in Wiring Systems

Instrument Cluster

Center of IP

Instrument Panel, Gages, and Console Component Views in Instrument Panel, Gauges and Console

Instrument Panel, Gages, and Console Connector End Views in Instrument Panel, Gauges and Console

IP Fuse Block

LH kick panel

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Park Brake Warning Switch

Under LH side of IP

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

P/B Booster Fluid Flow Alarm

Under the LH side of IP

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

P/B Booster Fluid Flow Alarm Switch

LH front of engine compartment

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

P/B Booster Fluid Flow and Pressure Alarm Delay Module

Under the LH side of IP

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

P/B Booster Fluid Pressure Alarm Switch

LH front of engine compartment

Hydraulic Brake Component Views

Hydraulic Brake Connector End Views

Underhood Fuse-Relay Center

Engine compartment, left fender

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

C100

LH rear of engine compartment at bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C113

Brake warning harness, under LH side of IP

Harness Routing Views in Wiring Systems

Hydraulic Brake Connector End Views

C200

Steering column harness at base of column, part of ignition switch connector

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C217

IP harness under LH side of IP near convenience center and park brake warning switch

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

D101

Underhood fuse-relay center, LH front of engine compartment

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

D202

Brake warning harness under LH side of IP near convenience center and park brake warning switch

Hydraulic Brake Component Views

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G103 (4.3L)

Engine harness, at generator bracket

Power and Grounding Component Views in Wiring Systems

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G103 (5.0L, 5.7L, 7.4L)

LH front of Engine harness, near A/C compressor

Power and Grounding Component Views in Wiring Systems

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G103 (6.5L)

Engine harness, at generator bracket

Power and Grounding Component Views in Wiring Systems

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G112

LH engine compartment, under brake master cylinder

Power and Grounding Component Views in Wiring Systems

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G201

IP harness behind LH kick panel, near IP fuse block

Power and Grounding Component Views in Wiring Systems

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P103

Engine compartment on LH side of cowl

Harness Routing Views in Wiring Systems

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R208

IP harness under LH side of IP near brake lever pivot

Harness Routing Views in Wiring Systems

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S101 (4.3L)

In the engine harness, approximately 20 cm (8 in) from the knock sensor breakout, toward the EBCM

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S101 (5.0L, 5.7L)

In the engine harness, approximately 22 cm (9 in) from the ignition coil breakout, toward the transmission breakout

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S101 (7.4L)

In the engine harness, approximately 14 cm (5 in) from the ignition coil breakout, toward the A/T input shaft speed sensor breakout

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S101 (6.5L)

In the engine harness, approximately 11 cm (4 in) from the A/C compressor breakout, toward C101

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S103 (4.3L)

In the engine harness, approximately 4 cm (2 in) from the throttle position sensor breakout, toward the transmission

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S103 (5.0L, 5.7L)

In the engine harness, approximately 4 cm (2 in) from the A/C compressor breakout, toward the MAF sensor breakout

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S103 (7.4L)

In the engine harness, approximately 8 cm (3 in) from the ECT sensor breakout, toward the knock sensor breakout

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S156 (4.3L)

In the engine harness, approximately 11 cm (4 in) from the fuel injector harness breakout, toward the knock sensor breakout

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S156 (5.0L, 5.7L)

In the engine harness, approximately 8 cm (3 in) from the fuel injector harness breakout, toward the ignition coil breakout

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S156 (7.4L)

In the engine harness, approximately 10 cm (4 in) from the A/T input shaft speed sensor breakout, toward the fuel injector harness breakout

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S156 (6.5L)

In the engine harness, approximately 4 cm (2 in) from the brake pressure differential switch breakout, toward the transmission

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S201

In the IP harness, approximately 4 cm (2 in) from the park brake warning switch breakout, toward the data link connector (DLC) breakout

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S210

In the IP harness, approximately 4 cm (2 in) into the TCC/stoplamp switch breakout

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S216

In the IP harness, approximately 8 cm (3 in) from C200, toward the instrument cluster breakout

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S235

In the IP harness, approximately 9 cm (4 in) from the park brake warning switch breakout, toward connector C100

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