It would work on some things for the '74. Its kinda nnbsThe Tech-2 will work for most of your fleet, not the '74 or the 2019. For the latter, you would need a laptop running the GDS2 software with the MDI2 interface or an aftermarket adapter like a VXDIAG NANO.
We need such a scan tool to properly diagnose things, everything from the engine, brakes, suspension, AC to interior switches and lighting.
Thanks for the info guys. China car website seems to be the best place, from what I can tell. I'm going to dig into this a little more and familiarize myself before ordered.
I want to make sure I'm smart enough to operate the thing!
Edit: will this stuff work on windows 10? I've seen confirmation in the other thread about windows 7, but I'm only a few pages deep. I only have one windows computer, the others are apple