RedBullDog Posted September 14, 2015 Share Posted September 14, 2015 The brake lights work as they should with the lights off, but in the dark when the maker and tail lights are on they stay on all the time. The trouble is on the tractor side of things, and I've spent all afternoon trying to figure this out. Whenever I turn the headlight switch to the first or second position, the brake lights on the trailer light up with the taillights. Quote Link to comment https://www.bigmacktrucks.com/topic/41796-trailer-brake-lights-stay-on-with-tails/ Share on other sites More sharing options...
Dirtymilkman Posted September 14, 2015 Share Posted September 14, 2015 Ground issues Quote Link to comment https://www.bigmacktrucks.com/topic/41796-trailer-brake-lights-stay-on-with-tails/#findComment-303855 Share on other sites More sharing options...
GreenGiant2 Posted September 15, 2015 Share Posted September 15, 2015 yup ground issue. Quote We the unwilling, Lead by the unqualified, are doing the impossible, for the ungrateful. Link to comment https://www.bigmacktrucks.com/topic/41796-trailer-brake-lights-stay-on-with-tails/#findComment-303863 Share on other sites More sharing options...
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