GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Components Gas

Name

Location

Locator View

Connector End View

Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch

Internal to transmission

Automatic Transmission Electronic Component Views

Automatic Transmission Internal Connector End Views

Automatic Transmission Input Shaft Speed (A/T ISS) Sensor

LH side of transmission

Automatic Transmission Electronic Component Views

Automatic Transmission Inline Harness Connector End View

IP Fuse Block

At LH lower kick panel

Power and Grounding Component Views in Wiring Systems

Power and Grounding Component Views in Wiring Systems

Pressure Control Solenoid (PC SOL) Valve

Internal to transmission

Automatic Transmission Electronic Component Views

Automatic Transmission Internal Connector End Views

Shift Solenoid 1-2, 2-3, for the 4L80-E

Internal to transmission

Automatic Transmission Electronic Component Views

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 Pulse Width Modulation Solenoid (TCC PWM SOL) Valve

Internal to transmission

Automatic Transmission Electronic Component Views

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

Automatic Transmission Electronic Component Views

Automatic Transmission Internal 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

Vehicle Control Module (VCM) 4.3L

Engine compartment, LH fender

Engine Controls Component Views in Engine Controls 4.3L

VCM Connector End Views in Engine Controls 4.3L

Vehicle Control Module (VCM) 5.0L, 5.7L

Engine compartment, LH fender

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

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

Vehicle Control Module (VCM) 7.4L

Engine compartment, LH fender

Engine Controls Component Views in Engine Controls 7.4L

VCM Connector End Views in Engine Controls 7.4L

Vehicle Speed Sensor (VSS) 4.3L

LH side of transmission

Engine Controls Component Views in Engine Controls 4.3L

Engine Controls Connector End Views in Engine Controls 4.3L

Vehicle Speed Sensor (VSS) 5.0L, 5.7L

LH side of transmission

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

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

Vehicle Speed Sensor (VSS) 7.4L

LH side of transmission

Engine Controls Component Views in Engine Controls 7.4L

Engine Controls Connector End Views in Engine Controls 7.4L

C100

LH rear of engine compartment at bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C103

LH on transmission

Harness Routing Views in Wiring Systems

Automatic Transmission Inline Harness Connector End View

S120 (4.3L, 5.0L, 5.7L)

Engine harness, approx 11 cm (4.3 in) from C100 breakout into VCM breakout

 

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S120 (7.4L)

Engine harness, approx 15 cm (5.9 in) from C100 breakout into VCM breakout

 

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S132 (4.3L)

Engine harness, appox 4 cm (1.6 in) from fuel injector breakout toward heated oxygen sensor (bank2 sensor1) breakout

 

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S132 (5.0L, 5.7L)

Engine harness, approx 8 cm (3.1 in) into fuel injector breakout

 

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S132 (7.4L)

Engine harness, appox 4 cm (1.6 in) from EGR valve breakout toward knock sensor breakout

 

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S133 (4.3L)

Engine harness, approx 8 cm (3.1 in) from fuel injector harness breakout toward camshaft position sensor breakout

 

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S133 (5.0L, 5.7L)

Engine harness, approx 15 cm (5.9 in) into fuel injector breakout

 

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S136 (4.3L)

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

 

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S136 (5.0L, 5.7L)

Engine harness, approx 8 cm (3.1 in) from heated oxygen sensor (bank2 sensor1) breakout toward fuel injector breakout

 

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S136 (7.4L)

Engine harness, approx 7 cm (2.8 in) from engine coolant temperature sensor breakout toward EGR valve breakout

 

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S154 (4.3L, 5.0L, 5.7L)

Engine harness 98 cm (38.6 in) from underhood fuse block toward A/C compressor breakout

 

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S154 (7.4L)

Engine harness, approx 4 cm (1.6 in) from ECT sensor breakout toward MAFsensor breakout

 

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S210

IP harness, approx 4 cm (1.6 in) into TCC/Stoplamp switch breakout

 

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S231

IP harness, approx 2.5 cm (1 in) from convenience center breakout

 

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Automatic Transmission Components Diesel

Name

Location

Locator View

Connector End View

Automatic Transmission Fluid Pressure (TFP) Manual Valve Position Switch

Internal to transmission

Automatic Transmission Electronic Component Views

Automatic Transmission Internal Connector End Views

Automatic Transmission Input Shaft Speed (A/T ISS) Sensor

LH side of transmission

Automatic Transmission Electronic Component Views

Automatic Transmission Inline Harness Connector End View

Electronic Brake Control Module (EBCM)

LH frame rail near center of vehicle

Antilock Brake System Component Views in Brakes

Antilock Brake System Connector End Views in Brakes

IP Fuse Block

At LH lower kick panel

Power and Grounding Component Views in Wiring Systems

Power and Grounding Component Views in Wiring Systems

Instrument Cluster

LH side of IP

Instrument Panel, Gages, and Console Component Views in Body and Accessories

Instrument Panel, Gages, and Console Connector End Views in Body and Accessories

Pressure Control Solenoid (PC SOL) Valve

Internal to transmission

Automatic Transmission Electronic Component Views

Automatic Transmission Internal Connector End Views

Powertrain Control Module (PCM)

Behind center of IP

Engine Controls Component Views in Engine Controls 6.5L

Powertrain Control Module Connector End Views in Engine Controls 6.5L

Radio

Center of I/P

Entertainment Component Views in Body and Accessories

Entertainment Connector End Views in Body and Accessories

Shift Solenoid 1-2, 2-3, for the 4L80-E

Internal to transmission

Automatic Transmission Electronic Component Views

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 Component Views in Body and Accessories

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

Internal to transmission

Automatic Transmission Electronic Component Views

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

Automatic Transmission Electronic Component Views

Automatic Transmission Internal 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

Vehicle Speed Sensor (VSS)

LH side of transmission

Engine Controls Component Views in Engine Controls 6.5L

Engine Controls Connector End Views in Engine Controls 6.5L

Vehicle Speed Sensor (VSS) Buffer

Below LH side of IP, near steering column

Engine Controls Component Views in Engine Controls 6.5L

Engine Controls Connector End Views in Engine Controls 6.5L

C100

LH rear of engine compartment at bulkhead

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

C103

LH on transmission

Harness Routing Views in Wiring Systems

Automatic Transmission Inline Harness Connector End View

C220

IP harness, RH side of IP

Harness Routing Views in Wiring Systems

Inline Harness Connector End Views in Wiring Systems

G103

Engine harness, at generator bracket

Power and Grounding Component Views in Wiring Systems

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P100

LH rear of engine compartment at bulkhead

Harness Routing Views in Wiring Systems

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P101

Under RH side of IP

Harness Routing Views in Wiring Systems

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P104

Engine Compartment on RH rear of bulkhead

Harness Routing Views in Wiring Systems

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S102

Engine harness, approx 4 cm (1.6 in) into the C101 breakout

 

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S117

Engine harness, approx 7 cm (2.8 in) into main harness breakout that leads to the A/C compressor breakout

 

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S120

Engine harness, approx 4 cm (1.6 in) into main harness breakout that leads to the A/C compressor breakout

 

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S124

Engine harness, approx 17 cm (6.7 in) into the C101 breakout

 

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S216

IP harness, approx 8 cm (3.1 in) from C200 breakout toward instrument cluster breakout

 

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S238

IP harness, approx 4 cm (1.6 in) from C200 breakout toward DLC breakout

 

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S253

Ip harness, approx 21 cm (8.3 in) from C100 past the low coolant level indicator module

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S254

IP harness, approx 5 cm (2 in) into the data link connector breakout

 

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