AC Condenser Fan not turning off with switch

I guess it could be the condenser fan relay.  I will check that first.

You CAN get the 134 temp down to almost r12 temps. R12 will bottom out between 36-37F. 134 you can get to 39 or 40,

My a/c condenser fan has always run about a minute after the engine is off. I never thought twice about it as a result. I thought that it was just another Pantera specific quirk?

ONLY 110 huh? Definitely refreshing.

The thermistor (thermostat for the AC) with the knob on the front panel area near the radio controls a relay (maybe relays) for the AC compressor and the fan in the engine bay.  When turned completely counterclockwise it turns off the both the compressor and the condenser fan.  That knob can be stubborn to turn off when twisting counterclockwise.  Make sure you actually feel it clunk off.  Try clunking it both on and off.

I believe the problem has been solved and will know more tomorrow once my battery recharges overnight.

I confirmed the AC switch was working as @stevebuchanan mentioned by doing a continuity test on the switch as well as a test light voltage check.  Switches on an off as it should.

I remember when installing the new AC switch the wiring didn't quite match the late model schematic.  The previous owner had a wire spliced in the harness which I thought was due to a bad connection that had bypassed.

After pulling the relay panel down from under the dash I noticed the B/BK wire was jumped from the output of the condenser relay to the input of the condenser relay.   This was basically shorting out the relay and keeping the fan on constantly. 

It is strange that even after unplugging the condenser fan that it ran my battery down over night.  Based on the schematic it was probably creating a back feed situation and loading something else down to pull current.

PHX should be a balmy 115F tomorrow so should be a good test.

Thanks,

John