Today I also installed a rear light that integrates seamlessly into the OEM rear camera mount and thought I'd share the details for those of you with the factory camera.
The light is a 9 watt Cree LED floodlight from SpeedTech Lights. https://www.speedtechlights.com/led-...-surface-mount
The light is in an aluminum frame with a thick rubber mount that looks like it will seal well. It mounts directly onto the OEM camera mount, and the wiring fits into the camera wiring conduit, so no drilling in the van, just 3 small holes in the plastic mount. Took all of 15 minutes to install and run the wire into the van. I'm going to have it switchable for backup or general use. Pics below show the install.