New Wiring Harness - need help!
My wife backed into an especially hard snow bank over the winter and the result is that the 7-pin wiring harness needs to be replaced. But, I am having problems. I'm having a number of issues, but...
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Go to your battery and use the post to test the tester. If it functions ok you need to find a better ground at the hitch. Grind some place shiny clean and connect to that. I actually screwed a crimp connector for a wire on a place made shiny and clean. I can alligator clip to it with confidence. If you have a piece of wire long enough just run it to the negative battery post.
