Do not get ac delco uca's. Ball joints are weird. At full drop out The stud will contact the side of the ball joint housing and cut the boot. The uca will not even hit the frame stop. I replaced mine with moog problem solver uca's.
Do not use ac delco uca. The ball joints are crap. At full drop out it will bind in the ball joint and not rest on the frame stop.
Raybestos uca look the same as acdelco also........
Try flipping the bulb in the socket.
I just installed my led reverse lights that bg16gsr suggested. I wans not impressed and want a brighter light. I mover them to the drl and ordered another bulb for the reverse lights. But for 9.99 its a pretty good bulb. Looks great as a drl.
Fyi...... The...
Just ordered the last 2 sets they had. I plan on using a set in the drls. Are you still running regular bulbs in the drl? Or did you switch to LEDs. On the page it says the LEDs are 14v.