My 05 GTO does not automatically turn on the A/C for any setting of the defrost. If you want to use the A/C for defrost you simply press the A/C button. Much better than automatically turning it on when not needed IMHO.
[quote=“VANDIT,post:8,topic:24898"”]
the switch on a blower motor is a ground side control, no difference in “electric draw”
[/quote]
Would you please just stop posting in technical threads.