If you just want and additional input you'll need to activate
VehConfig 1 - CHMSL Camera
CBC Features - LED CHMSL Lamp Present
This will give you the Cargo Camera button.
@Mpgrimm2 sells a harness for $20 that you can then use to plug in any RCA camera you choose and have it accessible by pressing the cargo camera button.
Does that answer your question?
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Normally when you activate this it then gives you the reverse as well correct ? But only when you have the cargo cam , or at least that’s what I have seen with others .
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