Chicagoland MG Club
Tail Lamp Reflectors
A significant improvement in tail lamp brightness can be achieved by making a reflector out of silver mylar.
Don't bother trying to cut the mylar to exact size. It's too flimsy to work with easily. Fold an oversized piece into quarters, and cut off the corner to make hole just large enough for the base of the lamp. Insert the lamp through the mylar as much as possible and attach the lens assembly. Trim the excess with a razor blade.
You should be able to get silver mylar at a hobby or science shop. Those big silver balloons at carnivals are made of mylar. Aluminum foil may work but mylar is stronger.
While you're at it, clean the lens and lamp. Polish the lamp base, socket, and contacts. Also check for a good ground contact.
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