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Topic: Electric fan

in Forum: C3 Electrical

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Electric fan (1/3)
8/18/15 2:38pm

Dblancha79

Gold Member
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Weatogue, CT - USA

Vette(s):
1979 C3 L82 383 cu in

Joined: 6/29/2015
Posts: 80

I don't think my electric fan is working properly on my 79 C3 L82 Vette. When I hook it up to a 12 volt battery it spins very fast. When I just turn on the accessory switch it turns much slower. If the engine is hot and I turn off the ignition the electric fan does not run. Shouldn't the fan keep running until the engine cools to below say 200 degrees?

any help would be appreciated.

______________

"Made to be run hard"

Simsbury, Ct.

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Re: Electric fan (2/3)
8/18/15 3:53pm

Sarge81

Lifetime Member
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WEST SENECA, NY - USA

Vette(s):
1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.

Joined: 12/3/2001
Posts: 2379

The electric auxiliary fan doesn't kick on until the coolant reaches a screaming 238 degrees. That is what the factory fan switch located on the passenger side cylinder head is set at.

I know Mid America Motorworks makes a coolant fan switch that comes on at 200 degrees and shuts off around 185 for '80-'82 Corvette's. It may work with your '79. I would see why it wouldn't.

______________

GEN III 5.7L "LS6" Engine swap
TKO500 5 spd.

3.54 Dana 44

'69 "N11" Sidepipes
Borgeson Steering Box
Born 8/1981
Sequence #3975

Click here to see more pics of my Vette on CarDomain.

Lifetime Member #26

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Re: Electric fan (3/3)
8/19/15 1:23pm

Dblancha79

Gold Member
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Weatogue, CT - USA

Vette(s):
1979 C3 L82 383 cu in

Joined: 6/29/2015
Posts: 80

Thanks, I will try and purchase one from Mid America.

______________

"Made to be run hard"

Simsbury, Ct.

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