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Auto dimmer


cobravii

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My '64 Electra convertible has an auto headlamp dimmer "eye" mounted the dash near the base of the windshield.

I can't find any option list or wiring diagram showing this option. My dad bought the car new and said it was on there since new.

I am trying to find out if this was a factory option, a dealer option or an aftermarket add-on.

Thanks,

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It was called GuideMatic headlight dimmer and was a factory option. I've also heard it called Autronic Eye - not sure if that was perhaps for other years or a more generic name or used on other brands or what.

I'm afraid I don't have any of the details you are looking for, but hopefully the name will help you find something more. Good luck.

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Guest Silverghost

These Autronic eye units were far more common on Cadillac of the same vintage time. period.

I suspect it's original equipment !

Does it still function ?

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  • 2 weeks later...

Yes, they are right, Guidematic, and it is listed as option code X1 for the grand total of $43. If it works, it may take a bit to energize after not being on for a long time. Also, needs to have high beams on to work automatically, with adj. on the unit set somewhere in the middle, like straight up. Good luck.

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Guest my3buicks

With my unit I need to depress the headlight dimmer switch part way to engage, I think they need to be on high beam first. I have the original directions if you need a copy. The work great on country roads and side roads, on the interstates the big highway signs reflect back and trick them and they can go crazy. It's a great option to have just for the cool factor though.

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Guest my3buicks

Here is the original instruction hanger from the control knob - this way if your system is similar you will have exact correct instructions on how the system works.

post-30591-143138379899_thumb.jpg

Edited by my3buicks (see edit history)
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