Automatic Headlight Dimmer: Description: Notes
Guide-Matic is a semi-automatic device which controls the car headlights in response to light from an approaching car and will switch the headlights to lower beam at a distance depending upon the setting of the driver sensitivity control. After the approaching car has passed, headlights automatically return to upper beam. The system consists of a combination photo-amplifier, power relay, special foot switch, and a sensitivity control. Units are located differently on each car as follows: