I believe the rationale was that if there was a malfunction with one set of lights, say the brake lights, and both were on the same system, that you would then lose the taillights as well and the car would be nearly invisible from behind at night. In other words, they wanted to insure that at least some lights were always on and working on the back of the car to prevent rear end collisions. The compromise John refers to, I guess, is that they didn't create 2 separate systems but used different bulbs (?). It seems hard to believe now, with well lighted roads and cars with huge taillights, but way back when it wasn't uncommon for a car to come up on another car from behind at night, and the driver of the 2nd car might not even see the first car until they hit. Even with working taillights, some of the fixtures were so small that if the bulb was bad or the light got dirty you couldn't see the car and whammo. Mark Christopher Hoffman wrote: > The government made them kill the third brake/turn bulbs for '68? Why? > > Chris in LA > 67 Crown > 78 NYB Salon > > John in Atlanta (Imp67cc64@xxxxxxx) wrote: > > Dick has a point. Another line of attack to correct your problem > would be to get two bulb sockets with a bit of wiring from a junkyard > and convert your taillight only sockets to signal/brake/taillight > sockets. All would use 1157s and so you would eliminate the > bright/dim problem while fixing something the govt made Chrysler > compromise on in 1968. As you know, I am a stickler for original, but > I did this on the 68 conv I had and would not hesitate to do it on any > subsequent 68's I own.