Failed first attempt at elec fan switch
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Member
Joined: Sep 2011
Posts: 249
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Year: 00'
Model: Cherokee
Engine: l6 4.0l 242.c.i.
Im using a 3 pole switch. I ran a wire from the power lead on the switch to positive on battery, ran ground lead to ground on battery, and ran a wire from the 3rd lead into my connector that is spliced into the blue/pink wire at the relay. Before I could even flip the switch it was blowing my inline fuse and sparking at the ground battery post. So then I tried a spare 2 pole switch with just power wire and the signal wire and that wouldnt turn it on...any ideas???
CF Veteran
Joined: Oct 2010
Posts: 1,889
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From: Long Island N.Y.
Year: 1999
Model: Cherokee
Engine: I6 4.0
I used a 3 prong switch theres 3 prongs when the switch is off the prong labeled number 1 gets power the middle pole is the power for the fan and the 3rd is for the led in the switch and what size inline fuze are you running?
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Joined: Apr 2012
Posts: 33
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From: Costa Mesa, CA
Year: 1996
Model: Cherokee
Engine: 4.0 H.O.
I could be wrong here because I don't have a diagram available, but I believe the blue/pink wire is a ground signal from the pcm that activates the relay. What you would want to do is connect your 2 pole switch to a ground and to the blue/pink wire to activate the relay. Hopefully you haven't done any damage to anything already. I installed my switch using its own relay so I'm not messing with the factory controller side of the circuit.
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Joined: Sep 2011
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Year: 00'
Model: Cherokee
Engine: l6 4.0l 242.c.i.
Got it working! For future reference for anbody on CF looking for advice, with a two pole switch you just run a wire off of the blue wire w/pink stripe at the relay box to one pole, then run a wire from the other pole to ground and that's it.
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Joined: Apr 2012
Posts: 33
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From: Costa Mesa, CA
Year: 1996
Model: Cherokee
Engine: 4.0 H.O.
Originally Posted by Omnipotent Octopus
Got it working! For future reference for anbody on CF looking for advice, with a two pole switch you just run a wire off of the blue wire w/pink stripe at the relay box to one pole, then run a wire from the other pole to ground and that's it.
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