All Lights On Trailer Flash With Turn Signal Applied

Question:

I orderd 4 post wireing for ny 09 town and country i realized even though trailer has 4 connection also it has 5 wires a brown for each side when i turn right blinker on all lights on trailer flash but left blinker and all other lights work how can i fix this?

asked by: Jamie G

Helpful Expert Reply:

If you have five wires on your trailer with two browns, one for each side then you have a wishbone trailer wiring harness like the part # A35W42B. This harness will still only use four pins just like the 4-way on your vehicle trailer wiring harness because the two brown get tied together. In regard to the issue you are having with all lights flashing, this is most likely caused by a wire mix up therefore I recommend you check over both the trailer and vehicle side trailer wiring harnesses to make sure you have them ran to the correct circuits which you can determine by taking a look at the attached help article.

expert reply by: Conner L