GM Service Manual Online
For 1990-2009 cars only
Figure 1:

TCM Power, TCM Ground, and PNP Switch


Object Number: 1417312  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Accessory Voltage, Stop Lamp Switch, and Serial Data
Automatic Transmission Schematic Icons
B+ Bus
ABS (10A), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses
G103 and G105 - 2.2L, 2.4L, and G109
Power, Ground, MIL, and Serial Data - 2.0L
Power, Ground, MIL and Serial Data
Figure 2:

Accessory Voltage, Stop Lamp Switch, and Serial Data


Object Number: 1592817  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Transmission Solenoids and AT OSS Sensor
TCM, Power, Ground, and PNP Switch
Automatic Transmission Schematic Icons
BCM ELECT, CLUSTER/AOS, EPS (60A), FUEL PUMP, HVAC, IGN SW, IP BATT 2, RUN (IGN 3), and STOP Fuses, RUN and FUEL PUMP Relays
BCM ELECT, CLUSTER/AOS, EPS (60A), FUEL PUMP, HVAC, IGN SW, IP BATT 2, RUN (IGN 3), and STOP Fuses, RUN and FUEL PUMP Relays
Ignition Switch, RUN/CRANK Fuse, RUN/CRANK (IGN1) Relay
Stop Lamps
Traction Control, DLC, and Indicators
DLC Power, Ground, Class 2, and Low Speed GM LAN
Power, Ground, MIL, and Serial Data - 2.2L
Power, Ground, MIL and Serial Data
Stop Lamp and Clutch Switches
High Speed GM LAN - 2.2L
Automatic Transmission Schematic Icons
Figure 3:

Transmission Solenoids and AT OSS Sensor


Object Number: 1456780  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Transmission Switches, TFT Sensor, and AT ISS Sensor
Accessory Voltage, Stop Lamp Switch, and Serial Data
Automatic Transmission Schematic Icons
ABS (10A), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses
Automatic Transmission Schematic Icons
Figure 4:

Transmission Switches, TFT Sensor, and AT ISS Sensor


Object Number: 1456781  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Transmission Solenoids and AT OSS Sensor
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons