Red wire, black wire and white wires
I am hooking my battery to my trailer. I have 2 sets of cables. One has a white and a black wire. The other has a white and red wire. Which is negative and positive? I don't now, and when I hooked the...
Forum Discussion
CA Traveler wrote:
There is no wire color standard for RV's. As a guess for white black black is + and for white red red is +. My rig has a lot of whire wires that are +.
The only sure way is to find where the wires go.
Like CA said. the standard. well there is no standard.
Now.. Two suggestions
one is to use a volt meter. Meter between FRAME and wires.. With and without tow vehicle hooked up and engine running.. With and without shore power connected.
if it's positive. it's positive.
Alas you may have a pair that does not give you any reading
if so those are likely the electric jacks.. You may need to find the jack controller if any to identify which is which based on the terminal label.
Now Using heat shrink tubing. tape or nail polish
ALL THE POSITIVE WIRES Get dressed in RED
