Foks i got a 86 F350 And its got a snow plow on it, when i use the plow ,ie: up ,down,sideways. It will jurk the jucie out of my battery. But in order to go to 100 amp. the wiring for it is differant. mine has build in reg. the 100 amp dont. Anyone done this before??please email me if you can help, even a diagram on how to do it .thaks Gil.@ pzue@aol.com