There are fuses on your wiring harness. If not use a test light and make sure.
Fisher Plow Wiring Diagram Dodge 2500 Wiring Diagram
Fisher plow headlights not working. I was just working on my plow truck trying to diagnose a unrelated issue leaky brakes next thing i know my headlights are not turning on. Two of them inside a little black cover. Take the lights apart and check andor replace the grounds wires inside the case take a lot of vibration and that can cause them to faildont forget to check the bulbs to be sure theyre good too. The dash light indicates my brights are on and will not switch from brights. Check those first and check the bulbs in the lights for good filiments before we start to try to diaganose the problem. The most likely problem is the grounds from the plow lights themselves to the frame.
My plow lights dont work right or i just bought new wiring and i think you sent me the wrong kit i have no low beam on the drivers side. Search for products images marketing materials or information about fisher engineering. This is a common call or email we get. You can just take the headlight off the truck if you cant reach behind unplug the jumper between the headlight bulbs just plug the factory plug back into the ford headlight. Adjusting your snowplow headlamps this video will demonstrate how to properly adjust the headlamp beam on your fisher snowplow. Soi unplug the plow still no headlights.
Also can you give me the number of relays that you have so we are all working with the same deck of cards. Sono headlights work brights low beams or plow lights. Left low beam out on fisher or western 3 plug 4 port plow. If the lights on the boss are the same as fisher witch they should be since both there parts are mostly the same part. This will leave you with no plow headlights but your park turn will still work.