Two years ago I built a car hauler. As far as road manners go it's been one of the most well behaved trailers I've ever had. What hasn't worked so well were the tail lights. They were the typical off-the-shelf product just like these.
The problem was: they weren't reliable. The bayonet bulb holders didn't maintain good contact. I had to remove the lens to fuss with one/both bulbs at least once every trip it seemed. So I replaced both with LED versions. Hopefully they will prove more durable. Time will tell. They're brighter, regardless. So it's already a value add.
Lil' yeti also got some new lights. The markers became a motley mix over time with replacements that didn't quite match the originals. Again, bayonet bulb holders were similarly failing irregularly. I considered LEDs but decided to instead use some of my stash of double bullseye markers that I purchased a few years ago for my Airstream project (that's still parked - different story).
The original Scamp square cakepan tail lights at 42 years old are still intact. The lenses have a few cracks that can hopefully be epoxied with fiberglass cloth reinforcement inside (soon). Meanwhile, with shined up lenses and reflective backboards, and all new bulbs, the old lights now beam with pride.
Lil' yeti still needs some exterior cosmetic work. But until then at least the lights are all in good working order now.
