First time 500... ees .. FACK!
Join Date: Jul 2005
Location: Jacksonville, FL
The solution is by no means simple, but you can do it. You need to find the voltage that equates to the temperature you want the fan to kick in at (coming from the temp sensor). Use an electrical tap on that wire and find a 12v hot lead somewhere. Find a diode with a breakdown voltage that equals the voltage of the temperature you want. You need to wire it in series with the hot lead and also use a big diode to prevent backflow once the circuit is open (ECU won't like that). I would suggest just wiring in a switch because diodes are tricky and if you screw it up you'll likely have ECU trouble. In summer I'd just leave the thing on all the time. If you're worried about forgetting it when you get off, just wire it to the ignition so it won't work with the bike off.
CCS EX #22
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