If you need the complete assembly, we now offer this backing plate with a lens, gasket and screws for a discounted price!
WIRING NOTE: This taillight has one 1157 bulb and one 67 bulb. An 1157 bulb is an indexed two-filament bulb. That means that it has two filaments of different sizes. An 67 bulb is a one-filament bulb. There is no ground wire on either bulb. The bulb is grounded to your trailer body through the socket body and backing plate.
Construction: Backing plate and bulb socket brackets are 24ga 430 bright annealed stainless steel. Threaded screw holes are aluminum. Bulb sockets are mild steel.