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I have installed a electric fan on my 1998 dodge durango. My question is....I need to connect a wire.. the wire says to connect to a 12v key on power source? Anyone got any ideas? My motor is the 5.2. Thanks
 

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so it wants power when the ignition key is in the on position and not the start position
if that's what "key " means"
do you have a wireing diagram you could post
if the above is correct you want to use a relay and not power your fan through the ignition switch
does this wire go to the fan or to a relay or speed controller?
I do not like to power headlamps through ignition or headlamp switches either
 

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I second that about checking the wiring diagram.

I have a 95 Dakota that I would like to wire up with an E fan. Also, do you wire headlamps through a relay then? I've heard of that but I don't remember the how or why, so if you could explain I'd appreciate it.
 

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do a search on the wire headlights through a relay
essentially find the wire from the headlamp switch somewhere in the engine compartment on it's route to headlamps - before it branches into two wires and use it to trigger a Hot >relay> ground
switches power circuit
relay gets power from battery> fuze" >relay> headlamps>ground
do foglamps and trailer circuits same way
 
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