They were first used on Cadillacs and Oldsmobiles in ABOUT 1953. My uncle had a '56 Olds 98 with one. A friend of mine found a '55 Pontiac 4 door in a junkyard this summer with an Autronic Eye.
Somewhere around '61, GM redesigned the dash-mounted sensor to be about 7/8" in diameter instead of the 2 1/2" units used earlier. I had one of the small ones on my '62 GP. They acutally worked!!
I believe Lincoln and some other present-day cars use an automatic headlight dimming system. Wouldn't it be nice if all cars had this? There are ALWAYS inconsiderate people that don't know enough to dim their lights---this is even more common with motorcycles. And, when snowmobiles follow trails along the road, most snowmobile drivers don't bother to dim their headlights. This was not so much of an issue previous to about 1992 when snowmobile headlights were like flashlights. Now, they are as bright as car headlights.
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BONESTOCK GOATS
'64 GTO Tripower Hardtop (Wife's Car)
'64 GTO Tripower Post Coupe (My Car)
'99 Bonneville SE Sedan
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