mattp33 Posted July 10, 2013 Report Share Posted July 10, 2013 I need to replace this but The 1 I got only has 5 wires, why does this have 6? I JUST got the boat. Should I just grab a test light and figure out what gets power and when and just connect a 7 way round to it? Link to comment Share on other sites More sharing options...
Terry Posted July 10, 2013 Report Share Posted July 10, 2013 the black/yellow and black/green must be tail light right and left and they must both go to the one beside the white...never seen that but can't be anything else..... imho Link to comment Share on other sites More sharing options...
Roy Posted July 10, 2013 Report Share Posted July 10, 2013 You can probably get rid of the blue unless you have electric trailer brakes. Man that's a bad looking plug! Link to comment Share on other sites More sharing options...
Terry Posted July 10, 2013 Report Share Posted July 10, 2013 or disc brakes Link to comment Share on other sites More sharing options...
Rich Posted July 10, 2013 Report Share Posted July 10, 2013 6th is trailer brakes as said. If your boat isn't 5000 lbs you shouldn't need them though. Link to comment Share on other sites More sharing options...
mattp33 Posted July 10, 2013 Author Report Share Posted July 10, 2013 The trailer has surge brakes, I was told the 5th wire will disable the brakes when backing up. Makes sense but then I saw 6 wires. I think I should break out the test light! Link to comment Share on other sites More sharing options...
mattp33 Posted July 10, 2013 Author Report Share Posted July 10, 2013 The crazy part about the horrible looking plug is the it still works!!! Link to comment Share on other sites More sharing options...
davey buoy Posted July 11, 2013 Report Share Posted July 11, 2013 The crazy part about the horrible looking plug is the it still works!!! Maybe tape up those bare wires quick than.Sure doesn't look pretty though. Link to comment Share on other sites More sharing options...
Roy Posted July 11, 2013 Report Share Posted July 11, 2013 The crazy part about the horrible looking plug is the it still works!!! Oh good...if it still works, keep using it. Link to comment Share on other sites More sharing options...
Terry Posted July 11, 2013 Report Share Posted July 11, 2013 (edited) The trailer has surge brakes, I was told the 5th wire will disable the brakes when backing up. Makes sense but then I saw 6 wires. I think I should break out the test light! that is correct and as stated the black/yellow and black/green must be tail light right and left and they must both go to the one beside the white..which should the brown wire on the other plug Edited July 11, 2013 by Terry Link to comment Share on other sites More sharing options...
misfish Posted July 11, 2013 Report Share Posted July 11, 2013 (edited) Oh good...if it still works, keep using it. Terry would,,,,,, If it aint broke,,,,,,,,,,well Edited July 11, 2013 by Misfish Link to comment Share on other sites More sharing options...
Ron Posted July 11, 2013 Report Share Posted July 11, 2013 The blue wire should only have power when vehicle is in reverse. This goes to a power valve and prevents fluid applied to brakes while backing up. Link to comment Share on other sites More sharing options...
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