L&L Posted May 10, 2016 Share Posted May 10, 2016 (edited) Changed both parking brake switches and the service switch. .but no power to the service brakes so no brake lights.. Edited May 10, 2016 by L&L Bad spelling Quote Link to comment https://www.bigmacktrucks.com/topic/45156-13-mack-gu713-no-power-at-service-brake-light-switch/ Share on other sites More sharing options...
0 mrgumby Posted May 10, 2016 Share Posted May 10, 2016 do you have brake and tail lights on the same bulb could be directional switch Quote Link to comment https://www.bigmacktrucks.com/topic/45156-13-mack-gu713-no-power-at-service-brake-light-switch/#findComment-332884 Share on other sites More sharing options...
0 L&L Posted May 11, 2016 Author Share Posted May 11, 2016 Yes. .all other lights work, turn,Hazzard and running lights all skate the same bulb.i tried a new turn signal switch with same results. Quote Link to comment https://www.bigmacktrucks.com/topic/45156-13-mack-gu713-no-power-at-service-brake-light-switch/#findComment-332913 Share on other sites More sharing options...
0 L&L Posted May 12, 2016 Author Share Posted May 12, 2016 I just ended up runing a fusible linked wire from the positive post on the fuse box and tapped in to the switch and now i have service brake lights, but still no parking brake lights. Quote Link to comment https://www.bigmacktrucks.com/topic/45156-13-mack-gu713-no-power-at-service-brake-light-switch/#findComment-333048 Share on other sites More sharing options...
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L&L
Changed both parking brake switches and the service switch. .but no power to the service brakes so no brake lights..
Edited by L&LBad spelling
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https://www.bigmacktrucks.com/topic/45156-13-mack-gu713-no-power-at-service-brake-light-switch/Share on other sites
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