Fisher Plow 3-Wire w/4-Port Module
This wiring system was available on older Fisher snow plows.
(please check your plow for 3 plugs going to the truck and that you have a 4-port module on your existing truck side wiring)

This wiring system was available on older Fisher snow plows.
(please check your plow for 3 plugs going to the truck and that you have a 4-port module on your existing truck side wiring)