Posts: 956
Location: Home of the 2016 World Series Champion Cubs | I have just gone from a trailer without brakes to one with brakes (surge). The coupler on the old truck was for a 4 wire coupler. I now have a 5th wire presumably to disable the surge brakes when baking. Can someone tell me if I can just run a fifth wire from a backup light to the fifth connector (center pin) or is there more to it? Should I just have a whole new coupler socket installed on the truck? If so, can an average Joe do this at home or not? Anyone know of a shop in/near N/W Chicago for this?
Thanks,
Karl
Edited by KARLOUTDOORS 3/27/2008 1:11 PM
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