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

TCM Power, Ground, and PNP Switch


Object Number: 1769058  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Accessory Voltage, Stop Lamp Switch, and Serial Data
ABS (40A), ABS (20A), ECM, LH HDLP, Radio, RH HDLP, and TCM Fuses
ABS (IOA), BACK UP, BOOST, ECM, TRANS 1, and TRANS 2 Fuses
Power, Ground, MIL, and Serial Data
Power, Ground, MIL, and Serial Data
G103, G105 - 2.2L, 2.4L, G109
Figure 2:

Accessory Voltage, Stop Lamp Switch, and Serial Data


Object Number: 1769059  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Transmission Solenoids and AT OSS Sensor
TCM Power, Ground, and PNP Switch
B+ Bus
BCM, ELECT, CLUSTER/AOS, EPS (60A), FUEL PUMP, HVAC, IGN SW, IP BATT 2, RUN (IGN3), and STOP Fuses, RUN and Fuel Pump Relays
Ignition Switch, RUN/CRANK Fuse, RUN/CRANK (IGN1) Relay
Power, Ground, Class 2, and Low Speed GMLAN
Stop Lamps
Traction Control, DLC, and Indicators
Power, Ground, MIL, and Serial Data
Power, Ground, MIL, and Serial Data
Stop Lamp and Clutch Switches
Automatic Transmission Schematic Icons
High Speed GMLAN - 2.2L, 2.4L
Figure 3:

Transmission Solenoids and AT OSS Sensor


Object Number: 1769060  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
ABS (IOA), 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: 1769061  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Transmission Solenoids and AT OSS Sensor
Automatic Transmission Schematic Icons