the blower motor will draw 30amps at full speed.a worn alternator or bad wiring [read old and corroded] will not allow necessary amps to battery.i have replaced the wiring loom from alt to battery to help cure this problem before.

__________________
David S Poole
European Performance
Dallas, TX
4696880422

"Fortune favors the prepared mind"
1987 Mercedes Benz 420SEL
1988 Mercedes Benz 300TE (With new evaporator)
2000 Mercedes Benz C280
http://www.w108.org/gallery/albums/A...1159.thumb.jpg