cfd511 Posted December 25, 2018 Share Posted December 25, 2018 (edited) So my horn doesn't work and hasn't worked in some time on my dump truck and i have a few guys taking there road tests with the truck . When i push horn on steering wheel nothing. I found the horn mounted inside the hood passenger side with a wire broken . Great i thought easy fix, Nopeeeeeee. I test the wires and I'm not getting any power when i press the horn in the truck . I have no idea where to start looking . anyone have any ideas or diagrams. 2000 mack 688 dump truck. Thanks and merry Christmas Edited December 25, 2018 by cfd511 Quote Link to comment Share on other sites More sharing options...
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