Wow , you guys are the best! Thanks for the input!
If you do the DPDT switch part and wire in an indicator light when powering the fan OTHER than the compressor, wouldn't that work? I understand the part about leaving it on and walking away and killing your battery, but the bright indicator light would or should solve that. The manual pusher fan would only be used at slow speeds to help in cooling during parades and stop and go traffic on hot days.
Thanks again!
