GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2007
🢒
Lucerne
🢒
Transmission/Transaxle
🢒
Automatic Transaxle - 4T80-E
🢒 Automatic Transmission Controls Schematics
Figure
1:
TCM Power Ground
Master Electrical Component List
Electronic Component Description
Control Module References
Solenoids and VSS
Rear Fuse Block B+
Underhood Fuse Block B+
Power, Ground, MIL, and DLC
Solenoids and VSS
Solenoids and VSS
Rear Stop/Turn Signal Lamps
G112 (L26)
Figure
2:
Transmission Solenoids and VSS
Master Electrical Component List
Electronic Component Description
Control Module References
TCM Power and Ground
TCM Power and Ground
TCM Power and Ground
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
Automatic Transmission Schematic Icons
High Speed Serial Data