general problems of the 2008 Chevrolet Silverado

I have bought vehicles since I was 17 years old. I have never had the whole left side electronics go bad like in my 2008 silarado, ltz. The windows would not go up or down. Either side. My mirrows would not come in. Extended cab windows would not work . I replaced left door electronics panel, chev. Dealer mechanic tryed to synronize with vehicle computer ($130. 00) found broken wires in harness. Mechanic tried to fix the problem and shut drivers door. Opened door and the wires had broken again plus it shorted out a fuse panel. A new harness and panel was orderd. A week later the new items were installed ( $606. 89). The mechanic then fould that the left rear door was shorting out and it needed a new harness ($500. 99). I waited another week and this harness was installed on 2-13-15. If I had been in a wreck and the doors could not be opened and I could not get my windows down I could have burnt up or the first responders would have had to cut me out of my truck. This happened to me in the middle of the night with my whole left side electronics going dead. A friend of mine also bought a 2008 Chevrolet suburbin and has also had to replace the left side electronics in his drivers door. (brad tuttle, owner of body shop) he advised that he had heard of many others with the same problems.