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Troubleshooting Trailer Wiring Installed on Vehicle that Prevents Blinkers from Working


2017 Tucson Noticed all lights except turn signals on left of car were not working. Pulled the taillight off and reconnected direct bypassing the curt harness . Everything OK now. Has the harness gone bad? I have only used a trailer maybe once or twice a long time ago. Suggestions? What else could it be? Thanks,


Expert Reply:

Typically the issue you are having is just the connectors of the trailer wiring harness not making a solid connection. Disconnecting them and then reconnecting them typically clears out any issues but you might check the conditions of the pin to make sure a solid connection is being made. The converter box of the harness # C56348 does not affect the wiring of the vehicle so it most likely not be the issue.

expert reply by:
Jameson C

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