![1960 Guide-Matic](http://www.60impala.com/blog/wp-content/uploads/2011/02/Capture-150x150.jpg)
Just scored a Guide-Matic (previous to 1960, known as the Autronic Eye) automatic headlight dimmer for the Impala. Found it on eBay and paid $275 after shipping. These were more commonly installed on Cadillacs. You very rarely see them on a Chevrolet. It was available as a dealer installed option. The unit appears to be… Continue reading Guide-Matic Automatic Headlight Dimmer