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Registered
Join Date: Mar 2002
Location: Philadelphia, PA
Posts: 12,680
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Cooler Fan Test......
Patton,
First, test the cooler fan. The fan has 2 wires (most likely red and brown). Apply 12 volts to the red wire (terminal 87). The fan should run at this point. If it doesn't, check the ground wire.
The cooler thermostat acts as a grounding switch to activate the relay. Once the relay is switched, power is supplied to the fan. The power to the relay is supplied from the ignition switch.
Hope this helps.....
TD
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