GM Service Manual Online
For 1990-2009 cars only

Name

Location

Locator View

Connector End View

Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch

Internal to transmission

Transmission Component Location

Automatic Transmission Internal Connector End Views

A/T Shift Lock Solenoid

Inside the steering column

Shift Lock Control Component Views

Shift Lock Control Connector End Views

IP Fuse Block

At LH lower kick panel

Power and Grounding Component Views in Wiring Systems

Power and Grounding Connector End Views in Wiring Systems

Park/Neutral Position Switch

Left rear of transmission case

Engine Electrical Component Views in Engine Electrical

Engine Electrical Connector End Views in Engine Electrical

Pressure Control Solenoid (PC SOL) Valve

Internal to transmission

Transmission Component Location

Automatic Transmission Internal Connector End Views

Shift Solenoid 1-2, 2-3, 3-2

Internal to transmission

Transmission Component Location

Automatic Transmission Internal Connector End Views

TCC/Stoplamp Switch

Below center of IP, near brake pedal lever

Lighting Systems Component Views in Body and Accessories

Lighting Systems Connector End Views in Body and Accessories

Torque Convertor Clutch Solenoid (TCC SOL) Valve

Internal to transmission

Transmission Component Location

Automatic Transmission Internal Connector End Views

Torque Convertor Clutch Pulse Width Modulation Solenoid (TCC PWM SOL) Valve

Internal to transmission

Transmission Component Location

Automatic Transmission Internal Connector End Views

Transmission Fluid Temperature (TFT) Sensor

Part of automatic transmission fluid pressure (TFP) manual valve position switch. Internal to transmission

Transmission Component Location

Automatic Transmission Internal Connector End Views

Vehicle Control Module (VCM)

Engine compartment, LH fender

Engine Controls Component Views in Engine Controls 4.3L or Engine Controls Component Views in Engine Controls 5.0,5.7L

VCM Connector End Views in Engine Controls 4.3L or VCM Connector End Views in Engine Controls 5.0,5.7L

Vehicle Speed Sensor (VSS)

LH side of transmission

Engine Controls Component Views in Engine Controls 4.3L or Engine Controls Component Views in Engine Controls 5.0,5.7L

Engine Controls Connector End Views in Engine Controls 4.3L or Engine Controls Connector End Views in Engine Controls 5.0L, 5.7L

C100

LH rear of engine compartment at bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C103 (4L60-E)

LH on transmission

Harness Routing Views in Wiring Systems

Automatic Transmission Inline Harness Connector End View

C200

Steering column harness, at the base of the column

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G201

IP harness, behind LH kick panel, near IP fuse block

Power and Grounding Component Views in Wiring Systems

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S136 (4.3L)

in the engine harness, approximately 111 cm (43.7 in) from the underhood fuse block, toward the A/C compressor clutch breakout

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S136 (5.0L, 5.7L)

In the engine harness, approximately 8 cm (3.1 in) from the heated oxygen sensor (bank2 sensor1) breakout, toward the fuel injector breakout

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S154 (4.3L)

In the engine harness approximately 98 cm (38.6 in) from the underhood fuse block, toward the A/C compressor clutch breakout

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S154 (5.0, 5.7L)

In the engine harness approximately 98 cm (38.6 in) from the underhood fuse block, toward the A/C compressor clutch breakout

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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 (1.6 in) into the TCC/Stoplamp switch breakout

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S217

In the IP harness, approximately 30 cm (12 in) from C100, toward the IP fuse block

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S231

In the IP harness, approximately 18 cm (7.1 in) from C100, toward the park brake warning switch breakout

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