I've had a couple of Coachmen trailers over the years and they all had the 12 volt fuse panel in the same box with the 120 volt power center and converter. If those photos represent your whole electrical system, how is your battery being charged? Has to be a converter/charger or inverter/charger somewhere.
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skipnchar wrote: I've had a couple of Coachmen trailers over the years and they all had the 12 volt fuse panel in the same box with the 120 volt power center and converter. If those photos represent your whole electrical system, how is your battery being charged? Has to be a converter/charger or inverter/charger somewhere.
The battery is being charged when I connect to my battery charger. There is chargers on the trailer. And I don't remember seeing any other boxes in the trailer. Maybe they are hidden/out of they way somewhere. I dont remember seeing any in the closets when I was cleaning in them.
I have recently bought a 16' 1972 Aljo and the 12VDC system did not have any fuses or converter. The battery was only getting charged when connected to the pull vehicle trailer lights connection. One of my light fixtures was all burnt up from what looks like an electrical short some time in the past. There were a lot of rusty wire connections at the tongue of the trailer
I have added a converter that connects directly to the battery and added in a 50a fixed breaker to tap off supply for the 12VDC to the trailer (also had to add a 110AC outlet to power the converter). I also added new battery cables and a battery disconnect switch.
My first suggestions is that you find the main chasy ground connection from the battery and make sure it is not all rusted away. Check the other wires that are conncted there to make sure the connectors have not been rusted off. Clean up the connectors and wire bush the area where they all bolt to the chasy.
Next I suggest to follow your 12VDC wires where they enter the trailer and see if any of them have been cut, burnt, or spliced for modifications. You can see in my fuzzy picture above that my 12VDC wires enter the floor in the front by the hot water tank. That is also where I ran the wires from the convertor to the battery.
You can buy a test probe from any autostore that has a small light when you touch 12VDC and the other end clipped to ground. Make sure your 110V AC (shore power) is NOT connected and the battery is still connected. Use the probe and poke the wires to see if you get 12VDC. If you have an owners manual, find out if there is a color coding for what is +12VDC and what is chasy/ground/negative.
My inside 12v lights work great after I re-wired the light fixture, but in opposite to you issue my porch light is out.
edit: updated pics url
* This post was
edited 04/17/12 10:45pm by Lalair *
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