Old pickup truck lacks bright brake lights, other safety perks to lessen chances of a rear-ender

I have been rear-ended twice in the past two years while sitting at a light, by drivers who do not bother to brake at all. I have a huge, bright-blue-and-white 1973 F-250 pickup truck (without lap belts, head rests or air bags, of course). This truck, I would think, is hard to miss. In both incidents, the cars that rammed into me were...