GM Service Manual Online
For 1990-2009 cars only

Automatic Transmission Controls Schematics LCT

Figure 1:

Power, Ground, Serial Data, Overdrive Switch, and C103 - Upfitter TRANS OPT Connector


Object Number: 1843173  Size: FS
Master Electrical Component List
Control Module References
Speed Sensors, Solenoids
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8, and Fuse Block I/P 2: Circuit Breakers 17, 18, 20, 21, 22, and 24
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block I/P 1: Circuit Breaker 6
Driver Information Center (DIC)
Fuse Block 1: Fuse 2 and Fuse Block I/P 1: Circuit Breakers 4, 7, and 8
Fuse Block 1: Fuse 5 and Fuse Block I/P 1: Circuit Breakers 5, 9 - 1 of 2, and 10
Fuse Block 1: Fuse 5 and Fuse Block I/P 1: Circuit Breakers 5, 9 - 1 of 2, and 10
Controller Area Network (CAN) Connector and Data Link Connector (DLC)
Splice Packs and Modules - 2 of 2
Controller Area Network (CAN) Connector and Data Link Connector (DLC)
G400 and G402 - 8 of 8
Connector C104, Engine Control Module (ECM) PTO Relay, Turn Signal Multifunction and PTO Switches
Temperature Sensor, Pressure Switch Manifold, Solenoids
G400 and G402 - 3 of 8
Figure 2:

Speed Sensors, Shift Solenoids, Internal Mode Switch


Object Number: 1843176  Size: FS
Master Electrical Component List
Control Module References
Temperature Sensor, Pressure Switch Manifold, Solenoids
Power, Ground, Serial Data, and Transmission Optional Connector
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Temperature Sensor, Pressure Switch Manifold, Solenoids
Figure 3:

Solenoids, Pressure Switches, and Temperature Sensor


Object Number: 1865920  Size: FS
Master Electrical Component List
Control Module References
Speed Sensors, Solenoids
Power, Ground, Serial Data, and Transmission Optional Connector
Speed Sensors, Solenoids

Automatic Transmission Controls Schematics MD

Figure 1:

Power, Ground, Serial Data, MIL, Solenoids, Temperature and Speed Sensors, and Switches


Object Number: 1843169  Size: FS
Master Electrical Component List
Control Module References
Solenoids
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8, and Fuse Block I/P 2: Circuit Breakers 17, 18, 20, 21, 22, and 24
Speed Sensors, Shift Selector
Speed Sensors, Shift Selector
Speed Sensors, Shift Selector
Controller Area Network (CAN) Connector and Data Link Connector (DLC)
Splice Packs and Modules - 3 of 3
G400 and G402 - 8 of 8
Connector C104, Engine Control Module (ECM) PTO Relay, Turn Signal Multifunction and PTO Switches
Driver Information Center (DIC)
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block I/P 1: Circuit Breaker 6
Fuse Block 1: Fuse 2 and Fuse Block I/P 1: Circuit Breakers 4, 7, and 8
Starting
Backup Lamps and Backup Alarm (UZF)
Figure 2:

Automatic Transmission (A/T) Shift Selector, C103 - Upfitter TRANS OPT Connector


Object Number: 1843171  Size: FS
Master Electrical Component List
Control Module References
Speed Sensors, Shift Selector
Power, Ground, Serial Data, MIL, Solenoids, Transmission Optional Connector
Figure 3:

Solenoids, Pressure Switches, Temperature Sensor, and Shift Selector


Object Number: 1890452  Size: FS
Master Electrical Component List
Control Module References
Solenoids
Automatic Transmission Schematic Icons
Fuse Block 1: Fuse 2 and Fuse Block I/P 1: Circuit Breakers 4, 7, and 8
Fuse Block 1: Fuses 6 and 7, Fuse Block 2: Fuse 8, and Fuse Block I/P 2: Circuit Breakers 17, 18, 20, 21, 22, and 24
Splice Packs and Modules - 2 of 2
G400 and G402 - 8 of 8
Driver Information Center (DIC)
Driver Information Center (DIC)
Solenoids
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons