C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

AUX FAN SWITCH

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Old Jul 28, 2001 | 05:51 PM
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I want to install a manual switch for my aux fan, can I just disco the wire at the thermostat switch thats in the head and ground it with a toggle switch ?

Thanks,
Rich
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Old Jul 28, 2001 | 07:26 PM
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That's it. Cut the Grn/Wh wire going to the aux fan sw. If you use a DPDT manual switch you can switch between manual and normal operation. Or just use a SPST switch for full manual operation. And yes connect one leg of the switch to ground to bring the fan On.

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Old Jul 28, 2001 | 08:22 PM
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Why do you want to do this?

Ray
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Old Jul 28, 2001 | 09:14 PM
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What I did was to splice the green/white wire on the aux fan relay to the green/white wire on the main fan relay. Now the ECM pull both relays in at the same time.

Jason
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Old Jul 29, 2001 | 09:57 AM
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Splicing the fans together might be the way to go. I think I have your main fan coming on at 190, so both fans would then come on at 190.
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Old Jul 29, 2001 | 03:09 PM
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Originally Posted by Aaron's 87
Splicing the fans together might be the way to go. I think I have your main fan coming on at 190, so both fans would then come on at 190.[/color]
Aaron, I'm not sure if you set it at 190, it will hit 200 before it starts to drop to 185 on the hwy, and it just climbs to 235 in the city with the a/c on.

65Z01, Thats what I was thinking to be able to switch from manual to auto.

89Vette, That sounds like a good idea.

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