led switchback problem, need help

[V1ZION]

Hey so I installed some switchbacks in my 2008 sierra. Everything was going good, I plugged in all 4 lights turned them on they were white, wired up the resistors and they flashed properly and went back to white. Tested them over and over to make sure they worked, they did so I put everything back together. Well I go to start my truck an hour later and one of them is stuck on orange and won't go white, it doesn't blink with the signals either only the 4 ways so I tear the thing apart again and check all the connections all is still go so I switch bulbs, well the bulb works fine in the other light. I even put the only halogen lights in and it stayed orange and blinked properly. But the switchback won't work in the one location. Any ideas. The front ends all tore apart and I'm pissed. Whatever bulb I put in that spot won't go white and will only blink with the 4 ways on. It the bottom right hand side.

 

 

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