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Installed an e fan on my Dakota today. The fan does not come on at all and the truck overheats. I have the thermostat tapped into the cooling system and ignition wired to the stereo. What's going on?
I see the problem and it may not be one you can easily fix. the thermostat threads need to be grounded to activate the relay coil to pass current. Depending on where you have it threaded into, it may not be grounded. It's a rather cheap/chinsey setup. You get what you pay for.