I agree with cletis. With a wire loom, an aftermarket switch and relay you can make it work like the factory intended for under $50. Good insurance to avoid tearing it up.
Fred

Last edited by rfs56trk; 07/12/2012 10:50 AM.
1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine