Let's talk about grounding
As far as I can discern grounding on a camper (or car) is primarily a way to use the frame as a convenient way to reduce wiring back to the battery. My camper came with a battery ground wire which I a...
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Not sure this is relevant to your question, I've mapped out the complete electrical wiring on my '05 AF 990 to create a wiring schematic and the frame is tied to the negative side of 12 volt power at the left front tie down. But the frame is not used a return for any circuits.
120V ground from the switch box also connects to the front left tie down. In addition there are several other safety ground connections such as the fridge and generator that are tied to the frame.
Not sure if yours is similar but I would think it is.
However, every 12v circuit our camper has a copper return wire. Including all running, signal, and marker lights. I found no electrical circuits utilizing the frame as a return.
120V ground from the switch box also connects to the front left tie down. In addition there are several other safety ground connections such as the fridge and generator that are tied to the frame.
Not sure if yours is similar but I would think it is.
However, every 12v circuit our camper has a copper return wire. Including all running, signal, and marker lights. I found no electrical circuits utilizing the frame as a return.
