Hi David,
The Blind Spot Monitoring System # CU95XR won't work with your 2001 GMC Sierra 2500 as the truck doesn't have the right connections for the system. What you can do though is use a camera system for your trailer that has marker light cameras that can be used as observation cameras, the Furrion Vision S Wireless RV Backup Camera System w/ 3 Cameras # FCE48TASL-05.
The side marker light cameras can be wired to running lights to be used as observation cameras so you can see what... view full answer...
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