Join Date: May 2009
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I have a mid eighties phazer I am looking at for a friend, He purchased this sled out of a barn and asked me to get it tip top for him. Well anyhow I did the usual, cleanded carbs, changed case fluid, looked over. Pulled skid replaced all worn parts including drive shaft bearings. Anyway all went well till test drive. Engine would hardly move machine across the snow. With a lot of trial and error I found out when attempting to drive sled underload the way the sled would run would change if I moved either the thumb warmer switch or the hand warmer switch. After some testing found out that if I disconnected the yellow wire from the lighting coil the engine will run perfect. Reconnect wire and wont rev up all the way. According to all the wiring diagrams I can find this should have nothing to do with the ignition. I did verify all connections, grounds and otherwise, this makes no sense to me. Please help!!! I did check voltages produced out of coil and seems to be normal, lights are bright and regulator is working.