Electrical troubleshooting help

Discussion in 'General RVing' started by Calgary Dave, Jul 11, 2017.

  1. Calgary Dave

    Calgary Dave Member

    Driving home from our last trip, my main cable running to the 7-way plug in the truck ended up dragging on the ground and exposing all the wires and probably shorting out a few things. I didn't notice it until I went to unhook and the marker lights were all off.
    I did a minor repair job, hoping it was enough to drive it back to the storage yard so I can repair it properly.
    Unfortunately, I still have no marker lights, and no signal/flasher/brake lights on the drivers side for the trailer. Passenger side brake and signal light work.

    I was looking over everything and then came upon these two inline fuses, one 30-amp, the other a 50-amp, and the 50-amp is melted completely. But everything (other than the brake/signal lights) seems to be working. Slide motors, all interior lights, etc. I don't know if this just happened, or it was blown from the day I got it. Everything worked then, and still works now.

    Does anyone know what these two inline fuses would be for?
  2. C Nash

    C Nash Senior Member

    I would guess one may be to charge the battery from the alternator

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