GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Components In Transmission Components

CompLoc C/K truck

Name

Location

Locator View

Connector End View

Group No.

1-2 Shift Solenoid Valve (1-2 SS Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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2-3 Shift Solenoid Valve (2-3 SS Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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3-2 Shift Solenoid Valve Assembly

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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Automatic Transmission

Rear of the engine

7 - Automatic Transmission

7 - Automatic Transmission

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Automatic Transmission Fluid Pressure Manual Valve Position Switch (TFP Val. Position Sw.)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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Automatic Transmission Fluid Temperature Sensor (TFT Sensor)

In the TFP Val. Position Sw.

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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Brake Switch Assembly

Below LH side of IP, attached to the top of the brake pedal bracket

8A-201-27

Fig 43

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--

IP Fuse Block

Lower LH side of the IP

8A-201-23

Fig 35

8A-11-0

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Pressure Control Solenoid Valve (PC SOL. Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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Torque Converter Clutch Pulse Width Modulation Solenoid Valve (TCC PWM Sol. Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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Torque Converter Clutch Solenoid Valve (TCC Sol. Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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Transfer Case Switch

On IP

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--

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Underhood Fuse-Relay Center

LH rear of the engine compartment, on the fender

8A-201-4

Fig 8

8A-11-2

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Vehicle Control Module (VCM)

LH side of the engine compartment

6 - Engine Controls

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--

C1 (32 cavities)

Engine harness to VCM, LH side of the engine compartment

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6 - Engine Controls

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C2 (32 cavities)

Engine harness to VCM, LH side of the engine compartment

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6 - Engine Controls

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C3 (32 cavities)

Engine harness to VCM, LH side of the engine compartment

--

6 - Engine Controls

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C4 (24 cavities)

Engine harness to VCM, LH side of the engine compartment

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6 - Engine Controls

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Vehicle Speed Sensor (VSS) (2WD)

Rear LH side of the transmission

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

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Vehicle Speed Sensor (VSS) (4WD)

LH side of the transfer case

7 - Automatic Transmission

7 - Automatic Transmission

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Vehicle Speed Sensor (VSS) Adapter

LH side of the transfer case

7 - Automatic Transmission

7 - Automatic Transmission

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C100 (36 cavities)

IP to engine harness, LH rear of the engine compartment, at the bulkhead

8A-201-22

Fig 833

8A-202-0

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C120 (4 cavities)

Engine to 4WD harness, rear of the engine, near the transmission

8A-201-18

Fig 26

8A-202-36

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C200 (10 cavities)

IP to engine harness, behind the RH IP, near the blower motor

8A-201-24

Fig 38

8A-202-4

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C227

Behind the LH side of the IP

--

--

--

S101

Engine harness, about 10 cm from the underhood fuse-relay center breakout

--

--

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S106

Engine harness, about 4.5 cm from the EGR valve connector breakout

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--

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S108

Engine harness, about 11.5 cm from the ignition coil breakout

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--

--

S152

Engine harness, about 10 cm from the underhood fuse-relay center breakout

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--

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S161

Engine harness, about 10 cm from the fuel injector harness breakout

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S222

IP harness, about 20 cm from the heater and A/C control head breakout

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Automatic Transmission Components Schematic Components

Name

Location

Locator View

Connector End View

Group No.

Brake Switch Assembly

Top of Brake Pedal

--

--

--

I/P Fuse Block

Lower LH side of I/P

201-25 Fig. 39

--

--

Transfer Case Switch (M30)

LH Top of Transfer Case

201-20 Fig. 30

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--

Transfer Case Switch (MG5)

LH Top of Transfer Case

201-23 Fig. 36

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--

Transfer Case Switch (MT1)

LH Top of Transfer Case

201-21 Fig. 32

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--

Transfer Case Switch (MW3)

LH Top of Transfer Case

201-22 Fig. 34

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--

Underhood Fuse-Relay Center

LH rear of Engine Compartment, on Fender

201-4 Fig. 8

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--

Vehicle Control Module

Engine Compartment, near EBCM

201-24 Fig. 37

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--

Vehicle Speed Sensor

LH rear side of Transmission (LH side of Transfer Case w/4WD)

201-19 Fig. 29

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--

C100

LH rear of Engine Compartment at Bulkhead

201-3 Fig. 7

202-0

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C120

Rear of Engine, near Transmission

201-22 Fig. 34

202-40

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C200

Behind RH portion of I/P, near Heater Motor, in Foam Wrap

201-24 Fig. 38

202-5,6

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C227

Under LH of I/P, near Stoplamp Switch

201-29 Fig. 48

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--

S101

Engine Harness, approximately 11 cm into Underhood Fuse-Relay Center Breakout

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--

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S104 (VIN M, R, W)

Engine Harness, approximately 8 cm into Fuel Injector Connector Breakout

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--

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S104 (VIN J)

Engine Harness, approximately 30 cm from Fuse-Relay Center Breakout towards EGR Breakout

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S106 (VIN W)

Engine Harness, approximately 5 cm from EGR Valve Breakout toward Fuel Injector Breakout

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S106 (VIN M,R)

Engine Harness, approximately 17 cm from EGR Valve Breakout toward Fuel Injector Breakout

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--

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S106 (VIN J)

Engine Harness, approximately 7 cm from EGR Valve Breakout toward Underhood Lamp

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S108 (VIN M,R,W)

Engine Harness, approximately 11 cm from Ignition Coil Breakout toward Starter Solenoid

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--

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S108 (VIN J)

Engine Harness, approximately 5 cm from Backup Lamp Switch harness, Breakout toward EGR Valve

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S152

Engine Harness, approximately 7 cm from Underhood Fuse-Relay Center Breakout, toward VCM

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--

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S161 (VIN M,R)

Engine Harness, approximately 8 cm from EGR Breakout toward Injector harness Breakout

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--

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S161 (VIN W)

Engine Harness, approximately 30 cm from EGR Harness Breakout, toward Taillamp Harness Breakout

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S222

I/P Harness, approximately 20 cm right of Heater and A/C Control Breakout

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