ballast may have went
try the swapping the right side headlight's ballast on the left ballast. See if that will make it light up.
If power going to the ballast seems to be good, then that's more than likely your problem. Unless something is goofy with the wiring harness your buddy made
unless a prospective buyer knows a guy
smogging that thing is gonna be impossible
I couldn't even find a place to let me get away with having my Megan headers covered up with the OEM heat shield.
they make leather dye
I have no idea of the quality or durability but here's an example:
http://www.eastwood.com/leather-and-vinyl-paint-aerosol-16-oz-black.html?fee=5&fep=25927&srccode=ga220010&gclid=CIXfltn20sICFVBqfgodrxIAnw