Tow Mirror Switchback Marker Lights:
Signal Only (Aftermarket): https://youtu.be/O5EB6AoS2fw
Running Light Only (Aftermarket): https://youtu.be/mil8xTr1Ry8
Running Light Only (OEM Mirrors): https://youtu.be/VYUTkCJwsVw
Signal & Running Light (Aftermarket): https://youtu.be/l3I2K-wwwQw
Tow Mirror Direct Replacement Marker Lights: https://youtu.be/k0NTvEfD7b4