GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Components 2.2L

CompLoc S/T (2.2L) 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

--

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

--

3-2 Shift Solenoid Valve Assembly

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

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

--

Automatic Transmission Fluid Temperature Sensor (TFT Sensor)

In the TFP Val. Position Sw.

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

TCC Brake and Cruise Control Switch

Below LH side of IP, mounted on the brake pedal support

8A-201-40

Fig 41

8A-202-96

--

IP Fuse Block

Lower LH side of the IP

8A-201-49

Fig 50

8A-11-0

--

Powertrain Control Module (VCM)

LH side of the engine compartment

6 - Engine Controls

--

--

C1 (32 cavities)

Engine harness to VCM, LH side of the engine compartment

--

6 - Engine Controls

--

C2 (32 cavities)

Engine harness to VCM, LH side of the engine compartment

--

6 - Engine Controls

--

C3 (32 cavities)

Engine harness to VCM, LH side of the engine compartment

--

6 - Engine Controls

--

Pressure Control Solenoid Valve (PC SOL. Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

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

--

Torque Converter Clutch Solenoid Valve (TCC Sol. Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

Vehicle Speed Sensor (VSS)

Rear LH side of the transmission

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

C100 (15 cavities)

Engine to front of dash harness, LH rear of the engine compartment, above the brake booster

8A-201-25

Fig 26

8A-202-109

--

C175

Engine to front of dash harness, LH rear of the engine compartment, above the brake booster

--

--

--

C200 (56 cavities)

IP to front of dash harness, behind RH side of the IP

8A-201-44

Fig 45

8A-202-119

--

C217 (16 cavities)

Engine to IP extension harness, behind the RH side of the IP

8A-201-44

Fig 45

8A-202-132

--

P100

LH rear of the engine compartment, on the cowl

8A-201-24

Fig 45

--

--

P101

RH rear of the engine compartment, on the cowl

--

--

--

S100

Engine harness, about 28 cm from the fuel injector breakout

--

--

--

S115

Engine harness, about 6 cm from the fuel injector breakout

8A-201-8

Fig 9

--

--

S116

Engine harness, about 6 cm from the fuel injector breakout

8A-201-8

Fig 9

--

--

S222

IP harness, about 6 cm from the relay center breakout

8A-201-54

Fig 55

--

--

S227

Front of dash harness, about 18 cm from the TCC brake and cruise control switch breakout

8A-201-40

Fig 41

--

--

S277

Front of dash harness, about 11 cm from the TCC brake and cruise control switch breakout

8A-201-40

Fig 41

--

--

Automatic Transmission Components 4.3L

CompLoc S/T (4.3L) 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

--

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

--

3-2 Shift Solenoid Valve Assembly

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

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

--

Automatic Transmission Fluid Temperature Sensor (TFT Sensor)

In the TFP Val. Position Sw.

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

4 Wheel Drive Indicator Assembly

In the center floor console

8A-201-41

Fig 42

--

--

Front Axle Switch

On the front axle, to the right of the differential

8A-201-5

Fig 6

8A-202-37

--

IP Fuse Block

LH side of the IP

8A-201-49

Fig 50

8A-11-0

--

Pressure Control Solenoid Valve (PC SOL. Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

Selector Quadrant Switch

In the center floor console

8A-201-41

Fig 42

--

--

TCC Brake and Cruise Control Switch

Below LH side of IP, mounted on the brake pedal support

8A-201-40

Fig 41

8A-202-96

--

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

--

Torque Converter Clutch Solenoid Valve (TCC Sol. Valve)

In the transmission valve body

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

Transfer Case Select Switch

Front center of the IP above the radio

8A-201-45

Fig 46

8A-202-99

--

Transfer Case Shift Control Module

Behind the center of the IP

8A-201-53

Fig 54

8A-202-98

--

Vehicle Control Module (VCM)

RH side of the engine compartment

6 - Engine Controls

--

--

C1 (32 cavities)

Engine harness to VCM, RH side of the engine compartment

--

6 - Engine Controls

--

C2 (32 cavities)

Engine harness to VCM, RH side of the engine compartment

--

6 - Engine Controls

--

C3 (32 cavities)

Engine harness to VCM, RH side of the engine compartment

--

6 - Engine Controls

--

C4 (24 cavities)

Engine harness to VCM, RH side of the engine compartment

--

6 - Engine Controls

--

Vehicle Speed Sensor (VSS)

Rear RH side of the transmission

7 - Automatic Transmission Automatic Transmission Electronic Component Views

7 - Automatic Transmission

--

C100 (15 cavities)

Engine to front of dash harness, LH rear of the engine compartment, above the brake booster

8A-201-25

Fig 26

8A-202-109

--

C114

Engine to VSS jumper harness, rear RH side of the transmission

--

--

--

C149

Front of dash to front axle switch jumper harness, near the front axle, right of the differential

--

--

--

C175

Engine to front of dash harness, LH rear of the engine compartment, above the brake booster

--

--

--

C200 (56 cavities)

IP to front of dash harness, behind RH side of the IP

8A-201-44

Fig 45

8A-202-119

--

C217 (16 cavities)

Engine to IP extension harness, behind RH side of the IP

8A-201-44

Fig 45

8A-202-133

--

G104

Rear of the LH cylinder head

8A-201-12

Fig 13

--

--

P100

LH rear of the engine compartment, on the cowl

8A-201-24

Fig 25

--

--

P101

RH rear of the engine compartment, on the cowl

--

--

--

S110

Engine harness, about 6 cm from the dash harness

--

--

--

S115

Engine harness, about 4 cm from the dash harness breakout

--

--

--

S120

IP extension harness, about 33 cm from pass-through P100

--

--

--

S116

Engine harness, about 13 cm from the fuel injector breakout

--

--

--

S203

IP harness, about 18 cm from the instrument cluster connector breakout

8A-201-54

Fig 55

--

--

S214

Front of dash harness, about 25 cm right of pass-through P100

8A-201-39

Fig 40

--

--

S222

IP harness, about 6 cm from the relay center breakout

8A-201-54

Fig 55

--

--

S227

Front of dash harness, about 18 cm from the TCC brake and cruise control switch breakout

8A-201-40

Fig 41

--

--

S230

Front of dash harness, about 6 cm right of the steering column harness breakout

8A-201-37

Fig 38

--

--

S232

Front of dash harness, about 19 cm right of the steering column harness breakout

8A-201-37

Fig 38

--

--

S237

IP harness, about 4 cm left of the cigarette lighter breakout

8A-201-54

Fig 55

--

--

S242

Front of dash harness, about 37 cm right of the steering column harness breakout

8A-201-37

Fig 38

--

--

S243

Front of dash harness, about 10 cm into the 4WD indicator breakout

8A-201-37

Fig 38

--

--