Both blinkers flash for right and left
On my Flagstaff T12rb when I turn on either the right or left turn signal, both right and left flash. It has a 7 pin connector as does my truck. I tested the truck to make sure that side sends iut the...
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Yellow is probably reverse lights, which isn’t wired up on your trailer. Check for a good ground, the lack of which often causes the problem as one side grounds back through the other via the tail light filaments.
The 7-way cord probably follows the “RV standard” shown on this page (scroll down to the pictures): https://www.etrailer.com/faq-wiring.aspx
Test the trailer itself with the cord unplugged from the truck by jumping from the +12v pin to each of the turn signals with a paper clip.
The 7-way cord probably follows the “RV standard” shown on this page (scroll down to the pictures): https://www.etrailer.com/faq-wiring.aspx
Test the trailer itself with the cord unplugged from the truck by jumping from the +12v pin to each of the turn signals with a paper clip.
