A:AnswerYes best Buy will install any thing wherever you bought it but they will not warranty the item not bought at best buy
I think all backup cameras come with all the wires.
Make sure the wire is long enough to reach the screen to display.
A:AnswerThey have a total tech package which you can purchase that will help you out alot if your trying to get multiple things installed. I got a stereo and a back up camera and a remote start installed for free with the total tech package and it even made purchases cheaper. It's a really good deal if they offer it in your area.
A:AnswerThey were able to on my vehicle and installed the screen Bluetooth and backup camera with no problem. . Just purchase their equipment and it works better than the factory equipment on my other vehicle