Electrical Help
Good afternoon, just need a little advise/help. I am busy installing some running lights on my trailer, now the running lights only have a positive and a negative. I want to connect them up to my 7 pin trailer connection. I just need to understand which wire to connect the negative wire to on my 7 pin connector as there is no negative only a earth.
Any help will be greatly appreciated.
Deon Jarvis
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