boomerkc135r
02-05-2006, 13:12
I am new to the D/A. I just acqired a 02 chev D/A and I am learning a lot of things I wish I knew befor I bought this truck. I like it but just a lot of new stuff ot learn. My question is what is a NSBU switch and what does it do. Since my truck is over 5 years old should I replace it? Thnaks.