GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Buick
🢒
2009
🢒
Lucerne
🢒
Power and Signal Distribution
🢒
Data Communications
🢒 HVAC Schematics
Figure
1:
Power, Ground, Blower Motor Controls
Figure
2:
Mode and Air Temperature Controls
Figure
3:
Compressor Controls
Figure
4:
Air Temperature Controls