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

TCM Power, Grounds, ECM, IPM


Object Number: 1689775  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
ECM, EBCM
Shift Lock Control Schematics
Fuse Block Underhood Bussing
06 STS Ground Dist - G100 (LH2)
Fuse Block - Underhood Fuses/Relays: IPM/ALDL, Auto Headlamp Dimming, CCP, ECM/TCM, WPR MOD, WPR SW/VICS and Rain Sensor/HDLP Wash Fuses, Accessory Relay
Fuse Block - Underhood: Starter IGN 1 Relays; Starter, Starter Relay, CCP TCM/IPM/ECM, MAF, ABS and Washer Nozzle/ACC Fuses
Fuse Block Right Rear: LT Turn Signal, RIM(1), Rear Fog Lamp, FT Passenger Door Module, Heated Steering Column, IGN 1, RIM(2) and Airbag Fuses; Rear Fog Lamp and IGN 1 Relays
G104 (1 of 2)
G104 (1 of 2)
Figure 2:

ECM, EBCM


Object Number: 1689780  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
Automatic Transmission Shift Lever Assembly, IPM
06 GMX295 Engine Controls 4.4L - TCM Power, Grounds, ECM, IPM
Backup Lamps, CHMSL - Domestic and Export
Figure 3:

Automatic Transmission Shift Lever Assembly, IPM


Object Number: 1689785  Size: FS
Master Electrical Component List
Transmission General Description
Control Module References
ECM, EBCM
Power Modes
Fuse Block Left Rear Bussing
Fuse Block Left Rear: IGN 3 Relay; IGN 3, Rear Heated Seat, Memory, Airbag and Rear Shelf Speaker Fuses
G402 (1 of 2)
G201 (1 of 2)