Download this PDF. It has everything in it you need to know to pair the camera and monitor.
Click here
The 4th camera is for above the door. However, to use it like a security camera, it will need to be powered and the monitor will need to be powered if you use it inside the camper.
The 4 window panes on the monitor will always display. You won't have 3 only ever. The forth one will always be black if you don't have the 4th camera.
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2019 Montana High Country 375FL
2014 Chevy Silverado Duramax, 6.6L Dually
