lookinforwalleye Posted May 24, 2011 Report Share Posted May 24, 2011 I had my boat hooked up to the jeep this weekend and the signal and brake lights worked but they were dim, I had the trailer hooked up to another vehicle and they were fine. I am thinking when they installed the hitch and harness they did not install a heavy duty flasher and the result is dim/slow lights. The other vehicle add a factory tow package and the Jeep did not. Link to comment Share on other sites More sharing options...
Roy Posted May 24, 2011 Report Share Posted May 24, 2011 Jeep has a bad ground. Link to comment Share on other sites More sharing options...
aplumma Posted May 24, 2011 Report Share Posted May 24, 2011 Test with jumper cable hook one end to truck frame and the other end to trailer if the lights get brighter then the white wire in your plug is not contacting well enough as a ground. Good call Roy Art Link to comment Share on other sites More sharing options...
wallyboss Posted May 24, 2011 Report Share Posted May 24, 2011 Yep bad ground on vehicle . Link to comment Share on other sites More sharing options...
OhioFisherman Posted May 24, 2011 Report Share Posted May 24, 2011 Sounds like a bad ground to me also, it can cause all kinds of strange problems, and even happens on tractor trailers where you have the 5th wheel plate for a ground. Clean off any rust, spray some wd 40 on the ball and trailer connection. Link to comment Share on other sites More sharing options...
Billy Bob Posted May 25, 2011 Report Share Posted May 25, 2011 IF the turn signals / 4 ways flash FAST then you need a heavy duty flasher...everyone here has steered you properely....bad ground somewhere with Art's idea being the best as a quick way to check. Link to comment Share on other sites More sharing options...
lookinforwalleye Posted May 25, 2011 Author Report Share Posted May 25, 2011 Thanks guys, if it`s the ground i`ll take it back to the dealer and let him fuddle around with it! Link to comment Share on other sites More sharing options...
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