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Old Aug 30, 2017 | 11:35 PM
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Default 1982 fan
I want to take out the factory clutch fan .and put in a fan that would be run from the wires from the smaller auxillary fan.are thes wires heavy enough to do the job..The sending unit has all ready been changed .to 180 degree.
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Old Aug 31, 2017 | 12:04 AM
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I assume the factory ran a relay on it. But i would check to be sure,
An electric fan needs a relay
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Old Aug 31, 2017 | 12:27 AM
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I have found the wires that bring power to the fan but I don't know where the relay is.yet.
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Old Aug 31, 2017 | 08:38 AM
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Believe it or not there is no relay.
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Old Aug 31, 2017 | 09:43 AM
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I may have to run all new wiring .new fan new wires no worries.Thanks
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Old Aug 31, 2017 | 10:58 AM
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No kidding rat?

Yeah, an electric fan needs a relay, this was just gm half assing something to be cheap,

Ive said many times just because its factory doesnt make it best.
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Old Aug 31, 2017 | 12:08 PM
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Originally Posted by The13Bats
No kidding rat?

Yeah, an electric fan needs a relay, this was just gm half assing something to be cheap,

Ive said many times just because its factory doesnt make it best.
Yep. That fan is wired directly to the sending unit. There is a fuse for it in the fuse box.
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Old Aug 31, 2017 | 12:30 PM
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Both my 81s had the axillary electric fans but i just went right to rewire,
I had on one that adjustable hayden style switch feeding a relay then on the second one i just had a cockpit switch feeding a relay,

Even that little stock electric fan is a pretty good load on a temp switch, i guess gm knows best,
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Old Aug 31, 2017 | 12:52 PM
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Originally Posted by The13Bats
Even that little stock electric fan is a pretty good load on a temp switch, i guess gm knows best,
Yes it is. It uses a 30 amp fuse.
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Old Sep 1, 2017 | 09:26 AM
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do the new fans draw as many amps as the old factory fans.30 amp fuse is a lot.
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Old Sep 1, 2017 | 11:04 AM
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Originally Posted by terry82
do the new fans draw as many amps as the old factory fans.30 amp fuse is a lot.
Some large electric fans spike pretty high on start up then settle down while running,

My issue is even with correct gauge wire i wouldnt like all the power going through the little temp switch, i would have better peace of mind using a relay
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Old Sep 1, 2017 | 08:29 PM
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I think a relay is a good idea and maybe good insurance of not having a problem .
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Old Sep 1, 2017 | 10:26 PM
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Originally Posted by terry82
I think a relay is a good idea and maybe good insurance of not having a problem .
I agree.
Simple enough to add.
Piece of mind.
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