Quote:
Originally Posted by mongocanfly
it would take a very heavy duty switch to use in place of a relay..lots of amp draw there
there should be a fuse somewhere ..
check to make sure your signal wire to the relay has 12v..
also make sure you ground is good...
what do you have that controls your fans?
I assume with the dual fans that you have a relay on each fan...
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Im sorry its a single fan not sure why I typed duals (long hot day)
basic set up its all automatic
fan to relay to bus block to battery
relay to sensor.
Im going to check the power source first and go from there