GM Service Manual Online
For 1990-2009 cars

Automatic Transmission Controls Schematics MWF Only

Figure 1:

TCM Interface Module Relays Indicator


Object Number: 769836  Size: FS
Master Electrical Component List
Starter Enable
Eng 2, IGN RLY/VIM Circuit Breakers
B/U and IGN 3 Circuit Breaker (1 of 2)
B/U and IGN 3 Circuit Breaker (1 of 2)
Driver Information Center
IGN SW Circuit Breakers (1 of 4)
IGN SW Circuit Breakers (2 of 4)
Engine Brake Relay and ICM Interface
Backup Lamps
Engine Brake Relay and ICM Interface
Figure 2:

Starter Enable


Object Number: 769838  Size: FS
Master Electrical Component List
Automatic Transmission Solenoid and TCM
TCM Interface Module Relays Indicator
G208, S233, S501
Battery, Hyd Pump Fuse, Hyd Brake, Circuit Breaker, Hydraulic Brake Fuse (1 of 2)
LG5 Starting and Charging Circuits (Starting Circuit, Page 2 of 2)
LG5 Starting and Charging Circuits (Starting Circuit, Page 2 of 2)
S110, S112
Figure 3:

Automatic Transmission Solenoid and TCM


Object Number: 649002  Size: FS
Master Electrical Component List
Data Link Connector
Automatic Transmission Control and TCM
Automatic Transmission Schematic Icons
Figure 4:

Data Link Connector


Object Number: 649003  Size: FS
Master Electrical Component List
Automatic Transmission Solenoid and TCM
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons

Automatic Transmission Controls Schematics Without MWF/MTW/MX4 Only

Automatic Transmission Controls without MWF/MTW/MX4


Object Number: 649004  Size: FS
Master Electrical Component List
IGN SW Circuit Breakers (2 of 4)
Driver Information Center
Engine 1 Circuit Breaker
IGN SW Circuit Breakers (1 of 4)
IGN SW Circuit Breakers (2 of 4)
G11 (L18), G101 (LG5)
G208, S233, S501
CHAS, Axle, Circuit Breakers
CHAS, Axle, Circuit Breakers
S110, S112

Automatic Transmission Controls Schematics MTW/MX4 Only

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Figure 1:

Power and Grounds Indicators


Object Number: 675836  Size: FS
Master Electrical Component List
Data Links
G11 (L18), G101 (LG5)
Center Console (Chevy)
Internal Pressure Switches and Solenoids
Internal Pressure Switches and Solenoids
Driver Information Center
G208, S233, S501
Figure 2:

Data Links


Object Number: 675839  Size: FS
Master Electrical Component List
Speed Sensors, Sump Temp, and Transmission ID
Power and Grounds Indicators
G208, S233, S501
Figure 3:

Speed Sensors, Sump Temp, and Transmission ID


Object Number: 675842  Size: FS
Master Electrical Component List
Engine Exhaust Brake
Data Links
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Internal Pressure Switches and Solenoids
Figure 4:

Engine Exhaust Brake


Object Number: 675845  Size: FS
Master Electrical Component List
Upfitter Connector and VSS Interface
Speed Sensors, Sump Temp, and Transmission ID
Engine Brake Relay and ICM Interface
Figure 5:

Upfitter Connector and VSS Interface


Object Number: 675846  Size: FS
Master Electrical Component List
Internal Pressure Switches and Solenoids
Engine Exhaust Brake
Figure 6:

Internal Pressure Switches and Solenoids


Object Number: 675850  Size: FS
Master Electrical Component List
Upfitter Connector and VSS Interface
Power and Grounds Indicators
Power and Grounds Indicators
Speed Sensors, Sump Temp, and Transmission ID