Switched rad fan - Club700XX - Honda TRX700XX Forum
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post #1 of 7 Old 05-31-2015, 11:35 AM Thread Starter
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Switched rad fan

Has anyone ran a manual switch for the rad fan on their bikes? I would like to wire in a switch to power up the rad fan when crawling Around in tight rocky trails. I know u can pop off the rad connection and the fan will run but it makes engine lights come on too. I would like the manual switch to also allow the fan to work as normal when not crawling around. I just don't like any engine running hotter then 200. Thanks guys

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post #2 of 7 Old 06-09-2015, 11:40 AM
 
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I haven't tried this but I can see a reason for NOT doing it. You won't have a way to get a good idea of engine temp... OR maybe you want to switch it on when you think it should be on... Waste of Amps with no real benefit.

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post #3 of 7 Old 06-14-2015, 09:12 PM
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I agree it can be the done, but it would be safe for your rad fan and cooling system.
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post #4 of 7 Old 06-15-2015, 06:09 PM
 
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I had a bad ECU, the first sign was the fan never kicked in and the engine got very hot. Quick fix was to flick the connector of the temp switch on the thermostat housing. Breaking that circuit makes the fan spin, downside is that it can drain the battery at constant low rpm's.

Probably going to do something similar and upgrade the battery.

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post #5 of 7 Old 06-16-2015, 07:50 AM Thread Starter
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It's just so that I can turn the fan on when I'm putting around through technical trails to keep me and the quad cooler ..I have a temp gauge

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post #6 of 7 Old 08-03-2015, 08:57 PM
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I did this on my Can Am because the Gen 1 800's would run hot. It's easy to do and costs $5.00 at AutoZone for a switch.
Do these engines run hot normally?
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post #7 of 7 Old 08-04-2015, 11:53 AM
 
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Quote:
Originally Posted by YellowSnowman View Post
I did this on my Can Am because the Gen 1 800's would run hot. It's easy to do and costs $5.00 at AutoZone for a switch.
Do these engines run hot normally?
Not normally... unless you have a quad with a full exhaust but without a fuel programmer. The motor will run hot because of a lean fuel/air mixture... A good programmer will fix that. The motor can also run a bit hot during times when you're at low speed in tight/technical sections.

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