That sucks that the dealer left the headlamps unplugged. But here are my thoughts.

- are they OEM lights or aftermarket ones ??? Sometimes aftermarket ones have poorly routed wires and when you turn the bars the wires to the lights are being pushed and pulled on ???
- if they installed a power port in the LF pocket, the port should face in the 2:00 position and not the 12:00 position. If they did the 12:00 position, for anything newer then an 2006+, it's in the wrong position.
- hopefully, they installed an OEM power port.