A combination of issues will make such a mess that you won't know where to begin. On an earlier post, I mentioned that replacment sockets have been garbage for the last 35 or so years, and it's quite possible to insert bulbs bass akwards. How do I know? Not me! I never inserted a bulb backwards :0. Let's put it this way: I always look carefully to make sure that the high/low tabs are correct.

I have to commend the mofos on this one. Every set of tailights were in proper working order, blinking/braking correctly. It amazes me when I see $50k f/g/f restos running around with the bass ackward bulbs/wires/bad ground syndrome.