Jactan
Well-known member
I have a 2021 GC Altitude long I have a full OEM trailer package in my Jeep GC long. Recently my trailer running lights stop working all my other trailer lights work fine brake turn etc. I have checked the fuses under the seat hood and dashboard all were good. I even went under the truck and check the power going into the factory plugs all have power except the brown wire for the running lights. I downloaded the factory diagram apparently there a relay and ground attached to the harness. But it looks like I may need to disassemble half the interior to get to it anyone experience this or can help. Joe Dolci