Backwards buttons
Here’s a weird deal that I’ve never run across before. We brought our trailer home for the summer and are ready to go out on our first weekend voyage and the button actions are backwards. Slide in sen...
Forum Discussion
Boomerweps wrote:
Confusion sometimes occur from people working on house electric and mobile electric. House electric BLACK is hot, white is neutral or return, green is ground. Mobile 12vdc RED is hot/positive and black is return/negative/ground.
4x4van wrote:
And to make it even more confusing, many RVs use yellow as positive and white as negative!
I have not worked on all that many campers, but every one I have used white for ground. Now the positive, I have seen black, red, and brown. Yellow is new to me, but I would accept the possibility.
OP, Disconnect the battery, grab your Ohm meter, and check for continuity frame/end of white wire.
Reversed polarity is all that is needed to reverse direction a DC motor runs. And reversed polarity will blow fuse to protect the converter.
