2013 freightliner Coronado 132 Hey guys I’ve got a problem it’s got me stumped. Ok when I turn my headlights on I have headlights but no maker lights come on. Now when I hit the switch to turn only the maker lights on then they will come on all of them. I have replaced the headlight switch an still I have the same problem. Any thoughts?
No marker lights when headlights are on
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by fuelman409, Mar 11, 2020.
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Only a guess but, bad ground somewhere?
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A grounding problem will drive you insane. Keep everyone posted please.
Bean Jr. Thanks this. -
Cab controller.
Have you tried turning off the main disconnect switch for about 5 minutes to allow it to recycle? -
Yes I have tried turning off the main power an also disconnected the battery’s still nothing. I’ve checked all the fuses I’m not seeing nothing.
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Could the interrupter cause this problem?
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Marker light switch
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Tested the markers with the switch in the both positions They only light up when the switch is in the down position witch is running lights only
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Turns out it was the trailer marker fuse
Klleetrucking Thanks this.
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