bourtoni Posted November 5, 2012 Report Posted November 5, 2012 hey guys my ae82 4age thermo fans wont turn on till i unplug the switch on top of the thermostat,any help would be appriciated Quote
rian Posted November 5, 2012 Report Posted November 5, 2012 (edited) The 4AGE thermo fan switch circuit is a 'normally closed' circuit. ie when the thermo fan switch circuit is opened the actual thermo fan circuit becomes closed and therefore the fan turns on. So by unplugging the switch you are opening the switch circuit and thus closing the fan circuit. Basically, your thermo fan switch is stuffed. Edited November 5, 2012 by rian Quote
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