3rd Brake Light
I'm thinking about adding a 3rd brake light (bright LED style) to the rear of my travel trailer, maybe mounted to the back of my spare tire carrier about a foot above it. It would come on with the bra...
Forum Discussion
This Curt two wire to 3 wire converter is the easiest way to accomplish a third brake light and if desired, mid way auxiliary turn signals.
https://www.etrailer.com/Accessories-and-Parts/Curt/C56196.html
The wiring diagram posted will only work if it had latching relays because as soon as a turn signal is activated the 3rd light will flash with it. Years ago I made an adapter with Schottky Diodes. It worked but due to the voltage drop across the diodes (~.7VDC) the 3rd light would pulse slightly with the turn signals.
https://www.etrailer.com/Accessories-and-Parts/Curt/C56196.html
The wiring diagram posted will only work if it had latching relays because as soon as a turn signal is activated the 3rd light will flash with it. Years ago I made an adapter with Schottky Diodes. It worked but due to the voltage drop across the diodes (~.7VDC) the 3rd light would pulse slightly with the turn signals.
