UnionMJ Posted November 1, 2015 Share Posted November 1, 2015 I don't where to begin. Taillights won't come on when the headlight switch is activated and the left side turn signal, brake, and hazards don't work as well. What is the issue? I hate wiring so please make it as easy as possible to understand. Thanks Link to comment Share on other sites More sharing options...
Pete M Posted November 1, 2015 Share Posted November 1, 2015 did this all happen suddenly? Link to comment Share on other sites More sharing options...
UnionMJ Posted November 1, 2015 Author Share Posted November 1, 2015 The taillights not turning on with the headlights was. I also read another forum and the PO did jerry-rigged a trailer wiring harness in there. Link to comment Share on other sites More sharing options...
Lee21490 Posted November 2, 2015 Share Posted November 2, 2015 The taillights not turning on with the headlights was. I also read another forum and the PO did jerry-rigged a trailer wiring harness in there. Check the connections where he added the trailer harness. My trucks PO Did the same thing.. And the splicers he used got filled with water & shorted themselves out. Link to comment Share on other sites More sharing options...
HOrnbrod Posted November 2, 2015 Share Posted November 2, 2015 I don't where to begin. Taillights won't come on when the headlight switch is activated and the left side turn signal, brake, and hazards don't work as well. What is the issue? I hate wiring so please make it as easy as possible to understand. Thanks All the ground wires for rear lighting circuits and the fuel pump connect to ground via a single sheet metal screw behind the left tail lamp. Pull the tail lamp and check for a clean solid ground before anything else. Link to comment Share on other sites More sharing options...
UnionMJ Posted November 3, 2015 Author Share Posted November 3, 2015 UPDATE: I rewired the taillights and got rid of the trailer light harness from the PO :shake: , and got rid the of the plug in underneath the jeep and spliced everything together. Everything works fine now. Thanks for the help and I hope I can help somebody out. Don't trust the PO is all I got to say. :nuts: Link to comment Share on other sites More sharing options...
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