Quote:
Originally Posted by boxster
If I jumper the relay, how would I know if the relay is working? Wouldn't it be easier heating up the sensor ?
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When you jumper the fan relay, the relay is taken out of the circuit. With the jumper in place, the fan should turn on - if it doesn't, then the fan or wiring is the problem.
Please take a look at the link that Rick posted for details on how to jumper around the relay:
Engine Compartment Fan Manual Switch