There are 3 electrical systems. One 12 volt tied into the tow vehicle. It operates your ‘car’ functions like signals, brakes, headlight lighting on the trailer. This is wired into your car when you plug the trailer into the back of your tow vehicle. The 2nd 12 volt system operates things in the trailer like overhead lights, reading lights, stove fan and other ‘off grid’ things. The third system is the 110 volt system. This is the plugs, a/c, fridge (when not on gas) etc. When you open up your main ‘fuse’ box / powerbox (aka power converter) you will see small car-type coloured fuses for the trailer 12v system each of which will have it’s own small different coloured wire for tracing it; and some large breakers on the other side for the 110 system (which you plug into your home or into the 30amp post when camping) Some breakers are 30 amps (a/c) 20amps ( fridge/microwave) and 15 amps. The receptacles/plugs will run off one of the 15 amp breakers. The wiring attached to this side Of the power converter is thicker solid wire and similar to house wiring. One will be hot one will be neutral and one will be ground (this one can be a stranded wire) check to make sure all the wires are properly attached to the ‘box’ and properly grounded. This may involve gently pulling the entire converter out a bit so you can see where things attach. If you google the model of your power converter you should be able to find a diagram online if all the power it entails. Make sure your trailer is not plugged in when you are messing around. Like any home wiring it can be dangerous to play with. Also if everything seems in order(all fuses fine and all breakers not tripped) you may have a problem with the wiring within the unit itself. I could tell on mine that at some point someone had done a lazy job of reconnecting wires so I had to do a bit of reconnecting. I still have one set of 110 amp wires not connected to a breaker that I had to cap as they were just left loose in the box. I may try to figure out what they are for this year. So far I have’t found anything that isn’t working so its a mystery to me. But have also been told it could just be wiring laid in at the factory for an option my trailer never had. Hope this helps.
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2006 FF Cruiser-X 18'9" FBR
Honda Pilot Touring Edition
"You miss 100% of the shots you don’t take"
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