Switchbacks are bulbs that convert your amber running lights in to a white running light then when turn signal is turned on it goes back to amber. DC9-18V amber turning function 300LM and white running function 700 lumens, 16-3030SMD 4 sides emitting PCB aluminum substrate design, Non-Pola …

Firewire LEDs Canbus Turn Signal Switchback LED Light Bulbs with Projector. Switchback LED bulbs are a unique way to upgrade your lighting! In a dual filament socket, they will light up with white color as the low-filament running light, and switch to bright amber any time you hit the turn sig …