$10.00 later they were all mine. The mini lights are no longer made but have a 2 contact ac fitting the size of an 1157 tail light bulb.(These fittings are used in many vacuum for the headlight and many sewing machines for the work light). Curiously if you slightly alter an 1157 bulb by grinding down the higher ear they will make contact with each ac contact. I added a ground by putting a mini hose clamp aroung the socket and tightening it on a bare ground wire. It also helps to hold the bulb more secure since only one ear is holding it in.
Rigged a mount in the light beside the 120 volt bulb and ran 2 hot wires.
Test hooked up 120 side got a light. Then grounded my hose clamp secured ground wire and touched each contact lead with the battery charger and had a nice little night light. ( The tail light circuit ) When I touched the other wire an effective 12 v porch light ( the brake light circuit ) For less than 5 bucks at the car parts store you can get a real taillight socket and an 1157 tail light bulb. If your afraid of drawing bugs get the 1157a it's yellow. I think they are making a led version that directly converts the older style socket too .
One light ac and dc powered , wahoo !!!
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