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Old 08-23-2008, 09:45 AM   #10 (permalink)
brucepick
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Join Date: Dec 2007
Location: Eastern CT, USA
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Outasight - '00 Honda Insight
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Quote:
Originally Posted by orange4boy View Post
I already got rid of the old clutched fan and installed an electric fan from an 88 Sable V6. It's overkill though. I need to find a speed control or a temperature switch or both. I was hoping to track them down in the sable parts car but no luck so far.
I can highly recommend switching the fan via the brake light circuit. Someone on a Volvo board recommended that for my e-fan project and I'm very happy with it. It's true there are still ways the coolant can heat up aside from braking events so you'll still need a temp switch or a manual control, but at least for my setup I'm keeping the brake switch circuit installed.

I added a time delay relay to the circuit so when I just tap the brakes the fan stays off. There's a delay again after I come off the brake - fan continues for about 10 sec. That saves a lot of on-off cycling of the fan motor.

You'd have to scope out your brake light circuit and see how you want to tie it in, but I think you can handle that.
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Driving '00 Honda Insight, acquired Feb 2016.


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