Circuit to add a third brakelight to an older automobile.
POPULAR ELECTRONICS [2] Jun 1989 (v.6#6) pg. 23
Night safety light for your car. This device mounts in the rear window of your car. Upon sensing approaching headlights, it turns on a parked car's brake lights to warn the approaching car. The brake lights are turned off after the car passes. Won't operate during daylight or when car's ignition is on.
POPULAR ELECTRONICS [2] Jun 1989 (v.6#6) pg. 75
Third brake light circuit for an older car is designed so that it lights only when both the left and right brake lights are activated.
POPULAR ELECTRONICS [2] Sep 1989 (v.6#9) pg. 22
Automotive projects. (1) Turn indicator annunciator for the hearing impaired. (2) Battery-charger probe checks to see if a charger is already on and/or connected properly. (3) Circuit to add both turn and brake signals to older vehicles. (4) Headlight reminder alarm that requires only 3 components. (5) Circuit to determine if your engine-block heater is working.
POPULAR ELECTRONICS [2] Mar 1992 (v.9#3) pg. 73
Correction POPULAR ELECTRONICS [2] Jun 1992 (v.9#6) pg. 70 (Headlight reminder alarm)
How to install a third brake light.
POPULAR MECHANICS Aug 1985 (v.162#8) pg. 61
Replacing light bulbs like those found in directional signals, corner lamps, brake lamps, etc.
POPULAR MECHANICS Jul 1994 (v.171#7) pg. 84
Tips on installing a third eye-level brake light on your car.
POPULAR SCIENCE Apr 1984 (v.224#4) pg. 116
Circuit for lighting a third automobile brake light whenever the two regular brake lights are activated.
RADIO-ELECTRONICS Jan 1990 (v.61#1) pg. 14