Nightwolf769 Posted October 6, 2021 Share Posted October 6, 2021 Hello, We have a 2009 Gu713, the truck has no marker lights at all and only high beams come on. I've checked all the fuse and cb's, all appear good. I've tried disconnecting the turn signal switch, no change. I've tried wiggling the wires under the dash, steering column, etc, nothing. I've checked the hood harness, no apparent rub through spots. Anyone have any ideas? Would the turn signal switch affect the markers? Quote Link to comment https://www.bigmacktrucks.com/topic/68388-2009-cu713-no-marker-lights-no-low-beams-only-high-beams/ Share on other sites More sharing options...
Clifford the big red dog Posted December 16, 2021 Share Posted December 16, 2021 I'm not certain on the 09 but the 2014 has all of your lighting running through the turn signal switch and headlight switch. Quote Link to comment https://www.bigmacktrucks.com/topic/68388-2009-cu713-no-marker-lights-no-low-beams-only-high-beams/#findComment-485349 Share on other sites More sharing options...
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