I got the plug on the driver side facing down ward the big terminal closer to the radiator I made it positive the other big terminal I put as ground and the little one on top of the ground I made hott it turns on flows the right way but once it hits max speed it shuts down then goes back to max speed and back to low and so on. maybe I got a bad fan I used little test wires maybe it's too much juice for the wires I will try and get some pics lil later any ideas thanks Frank