Patent ID: 8217778
Filing Date: 2012-07-10
Classification: B60Q

Abstract:
1. A brake light system for a truck having an engine brake, comprising: a) an engine brake operating system having a positive power terminal; b) a break pedal break light switch; c) a brake light array; d) a vehicular power source having a positive terminal; e) a first circuit connecting the vehicular power source positive terminal to the brake light array through the pedal brake light switch such that the brake light array is illuminated with power from the vehicular power source upon the pedal brake light switch being activated; f. a second circuit connecting the vehicular power source positive terminal and the brake light array including: i) a relay having a coil having two terminals, and a contact arm having a common terminal and an output terminal, and further wherein one of said two terminals on said coil is connected to chassis ground; ii) a connection between the positive power terminal on the engine brake operating system and the second of two terminals on said coil, such that when vehicular power is supplied to the positive terminal on the engine brake operating system, the coil is energized; iii) a connection from the positive terminal of the vehicular power source and the common terminal of the contact arm; and iv) a connection between the output terminal on said contact arm and the brake light array, such that when the coil is energized, positive power is applied to said brake light array.