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wiring up an electric fan

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Old 04-01-2005, 12:55 PM
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fordguy17
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Default wiring up an electric fan

i am about to wire up my new electric fan. here is a diagram i drew up.

[IMG][/IMG]

preety, eh?[&:] does that look right? what size fuse should i use?
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Old 04-01-2005, 01:14 PM
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96SilverLT1
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Default RE: wiring up an electric fan

do you like switches catching fire? [&:]

BTW, you don't put a fuse on a ground cuircut

use a relay. it's really easy to wire.

just 2 hot feeds, a ground signal from a switch to close the relay and poof your there. i can draw up a diagram if no one else already has one
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Old 04-01-2005, 01:51 PM
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Default RE: wiring up an electric fan

a diagram would be great. thanks.
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Old 04-01-2005, 02:08 PM
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96SilverLT1
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Default RE: wiring up an electric fan

here is the basic switch I put together that uses a relay. Gimme a sec and I will draw up how to connect the wires to the relay.

[IMG]local://upfiles/6903/347ED5596F7C4A5DA0FA4B5BC08A13F3.jpg[/IMG]
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Old 04-01-2005, 02:23 PM
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Default RE: wiring up an electric fan

alright. when you get teh relay you will see 5 termonals with 5 corisponding numbers for each termonal. the numbers are, 30,85,86, 87 and 87A

connect the wire from the relay to the fan to pin 87. take the fused hot feed to the ralay and place that on termonal 30. Then just take the switched hot feed and hook that to termonal 85 and the ground signal from the switch to termonal 86 and your done
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Old 04-01-2005, 03:07 PM
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Default RE: wiring up an electric fan

ok. thanks a bunch. im not much good at wiring and electric stuff, so you just helped a ton. it will prolly take a while to wire all this up, but i'll get back to you when i'm done. thanks again.
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Old 04-01-2005, 03:13 PM
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Default RE: wiring up an electric fan

sure thing. Just let me know if you run into any issues
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Old 04-01-2005, 03:22 PM
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Default RE: wiring up an electric fan

got a quick question already: i can hook the wires to any hot feed?
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Old 04-01-2005, 03:28 PM
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96SilverLT1
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Default RE: wiring up an electric fan

pretty much. You can run the fused hot feed right off the battery if you like. For the switched hot feed you might want to tap into an Ign fuse that becomes hot when you have the Key in the run position. You will have to get a meter or test light to find out what fuse that might be.
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Old 04-02-2005, 09:18 PM
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Default RE: wiring up an electric fan

i wired everything up, just like on the diagram. as soon as i connect the constant hot feed, the fan turns on and a few seconds later the fuse blows (30 amp). it does not matter whether the switch is on or off. it also doesn't matter whether the key is on or off. could my grounds be bad?

also the switch i bought has three prongs, labeled power, ground, and acc. which wire goes were?

please help. tomorow is the last day i have to get this right, because i need the car on monday.

thanks
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