Originally Posted by jim s

DONE my 400 today got a fan relay and put inplace of fan control unit pink/blue to entergise relay.. and white/blue to fan ..pink is hot blue is from temp switch white is hot blue is from fan.. when oil temp gets hot fan comes on.....works good forgive my spelling

Originally Posted by Helmut

Something I forgot in the previous post, I suppose you could cut both wires to the fan and run a power wire, through an inline fuse and directly to the fan and then put the toggle switch on the ground wire to toggle the fan on and off. I guess that was what you were saying to begin with, don't know what I was thinking. I doubt if the fan on an ATV would pull draw enough current to burn the toggle switch up, like an automobile fan would. That would be a lot simpler than using a relay, wouldn't it. LOL.