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How to: Manual Fan Switch

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Old Aug 6, 2006 | 10:08 PM
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Default How to: Manual Fan Switch

anybody got a DIY manual fan switch install?

yes did the search and found nothing relevant.

thanks
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Old Aug 6, 2006 | 10:11 PM
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To turn them on, or to turn them off?
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Old Aug 6, 2006 | 10:30 PM
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Originally Posted by EHS
To turn them on, or to turn them off?
I'm thinkin both
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Old Aug 6, 2006 | 10:40 PM
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yes both.



i have seen the fbody croud put together a DIY manual fan switch, so i looked at the wiring that we have and its totally diff. from what i can tell anyway.

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Old Aug 7, 2006 | 03:49 AM
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email me at john_neese@msn.com and I'll send you the wiring diagram.
John
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Old Aug 7, 2006 | 05:59 AM
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^^^^^
email sent.
thanks
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Old Aug 7, 2006 | 10:17 PM
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Is there a aftermarket kit, if so were at.
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Old Aug 7, 2006 | 10:48 PM
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Originally Posted by willyfastz
Is there a aftermarket kit, if so were at.

i couldnt find one for the c5 (didnt really look that had...kinda DIY kinda guy).

lot of shops sell them for the fbod though..
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Old Aug 7, 2006 | 11:55 PM
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Originally Posted by pewter99
I'm thinkin both
Two different concepts here.
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Old Aug 8, 2006 | 12:08 AM
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Originally Posted by EHS
Two different concepts here.
hmmm..interesting.
what im looking to do is have the ability to manually turn the high speed fans on and off at will when i feel its warranted.
does that help?
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Old Aug 8, 2006 | 09:00 AM
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The switch for the f bodys turn them on or back to stock. Seems that someone with a C5 would have done this for track use.
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Old Aug 8, 2006 | 10:23 AM
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There is no kit avaliable that I am aware of. It can be easily wired up using a relay.



Here is the diagram. Connections are made near the engine fuse block.

Last edited by marlowchris; Aug 8, 2006 at 10:25 AM.
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Old Aug 8, 2006 | 11:02 AM
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There is a part called a " constant fan moniter controller ". I just happen to have one that I ordered and never used. Mid America sells them for $199. The only thing is it is supposed to mounted in the engine compartment, which makes adjustments rather difficult. It seems to me you are looking to makes these adjustments from inside the car at will. You can always add some wire to the moniter and run it into the car through the fire wall and mount it somewhere in the cabin. The little box has a pot on it for adjustments. You could probably glue some sort of **** on the pot to make adjustments rather easiy. I am not going to use mine & if you are interested, let me know.

Rob

Last edited by allmee; Aug 8, 2006 at 11:52 AM.
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Old Aug 8, 2006 | 12:41 PM
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Do you have a link that I can read to see how it works?
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Old Aug 8, 2006 | 01:03 PM
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Originally Posted by willyfastz
Do you have a link that I can read to see how it works?
It seems pretty simple. I splices into some wires in the engine compartment and has a temp. probe the goes in between the radiator fins. Looks like a piece of cake! All the vendors carry these. Little variences maybe, but basicly the same concept. I think I got mine from MidAmerica.
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Old Aug 8, 2006 | 04:25 PM
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Sorry guys, will send out my wiring diag tonight when I get home. Got busy at work yesterday. The wiring diag above will probably work, but is overkill. Just use a switch to control the relay that's already there. Just be careful to isolate between your switch and the PCM control lines - COOLFAN1 and COOLFAN3.
John
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Old Aug 8, 2006 | 06:43 PM
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thanks for the info gang...
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Old Aug 9, 2006 | 09:32 AM
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Originally Posted by Cscokd
Sorry guys, will send out my wiring diag tonight when I get home. Got busy at work yesterday. The wiring diag above will probably work, but is overkill. Just use a switch to control the relay that's already there. Just be careful to isolate between your switch and the PCM control lines - COOLFAN1 and COOLFAN3.
John
Thanks for the emailed diagram.
thanks
William

Last edited by willyfastz; Aug 9, 2006 at 11:28 AM.
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