I am looking for a scan tool. This will be my first, and only need it for a few vehicles. I have some codes on my wife's 03 Blazer to get to the buttom of. It has had trannsmission temp codes in the past, and I want to monitor it myself and see what is going on.
I have read up a bit on some of the tools and it seems for $100 or so you can get some helpful diagnostics and use this tool also on other vehicles.

What I want it for:

03 Blazer
03 Dodge ram 2500 cummins
03 Chevy 3500 Duramax


Let me know what you would recommend.
thanks so much

Hey Ken, your gauges are still working great!