Hi I thought I'd share this with some of you guys and see if anyone has had similar issues. For my 2011 Silverado extended cab 5.3 I purchased a rear vision system (model 9002-9503) from Brandmotion online and did the first half of the installation myself, using the directions and the video available online as a guide. I switched out the mirror, replaced the tailgate bezel with the one provided with the integral camera, ran the wire harness along the left frame rail and drilled through the firewall, bringing the wire up to that point and stopped. The electrical connections seemed very complicated so I brought it to the dealer to finish the process. I was almost apologetic to the dealer for bringing him something which seemed to be very minor at the time! My dealer mechanic couldn't figure out the electrical connections (original, OEM GM part as far as I know) and took from Thursday morning when I dropped the truck off until Monday (today) to finally finish the installation. He told me the mechanic actually had to put in a phone call to the manufacturer for assistance. All this considered I'm happy I didn't attempt to make the electrical connections myself. Is my dealer mechanic inept or is this thing just incredibly difficult to install? I should add that my dealer only charged me 2 hours labor even though he had the truck for almost 5 days. Definitely an honest dealer. Thoughts?