Electric fan Help - JeepForum.com
 
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post #1 of 11 Old 06-01-2009, 10:47 PM Thread Starter
jrylb73
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Electric fan Help

Ok, here is my problem, I have an 82 CJ7 with a 4.2L, the person that had the Jeep before me put a eletric fan in it. He had the fan fixed where you could turn it on and off by a switch under the dash, well I had to keep replacing the switch because it would get so hot it would melt the plastic switch, so trying to quick fix it so it would work I bypassed the switch and ran it direct. Now the problem is the wires got hot enough that it melted the inline fuse that comes off of the fan.
Thanks
Jerry Burris

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post #2 of 11 Old 06-01-2009, 10:54 PM
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You should probably wire in a relay to control the fan. The relay would be controlled by the switch and will easily be able to power the fan with the correct wire gauge and circuit protection with no problems.

Mike

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post #3 of 11 Old 06-01-2009, 11:10 PM Thread Starter
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What gauge of wire should be used on this fan. What type of relay are you talking about?
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post #4 of 11 Old 06-01-2009, 11:18 PM
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I would use a 10 gauge wire for the feed and just about any 30+ amp automotive relay will work. It makes it so all of the load goes through the relay and the switch only sees the low current side of the circuit.

You can either part them together or just buy a kit. You could even get one with a thermostat input to control the fan. I have mine on a 3 way switch with an adjustable temp relay. I can have it on, off or thermometer controlled. Click on the instructions link in the above pages if you want to see how they are wired.

Mike

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post #5 of 11 Old 06-01-2009, 11:29 PM Thread Starter
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where is this instruction link located on the above page.
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post #6 of 11 Old 06-01-2009, 11:32 PM
Coiz
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Quote:
Originally Posted by jrylb73 View Post
where is this instruction link located on the above page.
At the bottom of the description.

Simple kit install.

Thermo control kit install.

Mike

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post #7 of 11 Old 06-01-2009, 11:36 PM Thread Starter
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Does autozone or Orielly's carry something like this?
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post #8 of 11 Old 06-01-2009, 11:45 PM
Coiz
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The kits, probably. I bought my electric fan and the relay control setup at an Autozone 10 years ago. If your looking to just buy a switch, relay and wires, they will have everything you need.

Just found this on Autozone.com And here is the thermostat controlled one on Autozone.com.

Mike

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post #9 of 11 Old 06-01-2009, 11:48 PM Thread Starter
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ok, I would like to thank you for all your help.
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post #10 of 11 Old 06-01-2009, 11:53 PM
Coiz
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No problem. Let us know how it works out for you.

Mike

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post #11 of 11 Old 06-02-2009, 10:23 PM Thread Starter
jrylb73
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Well i purchased a electric fan relay kit today. I plan on installing it on Thursday, I will let you know how things went.
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