Initially, using the truck wiring attached to the pull car, switch on your run lighting. I recommend doing this because of the hitch maybe not connected to the trailer coupler, for causes we shall clarify later on. Manage a walk across trailer and check to find out if all lighting are illuminated. In the event your pull automobile blows a fuse during this phase, very first remove your trailer tail-light lenses and check for blown light bulbs (usually black colored or creamy white inside if blown), also examine to be certain the light bulb is within precisely. more