well retired in 2014. worked mostly on international trucks 466, 466e, and a couple Cummins. around 25 years spent first diesels were Detroit with 671 blowers and cat 3208. last 10 year had a laptop to use on 466e trucks factory programing. Now I am just trying to learn more in the scope testing at home. have bought a pico 2204-d2 and a Autel mp408 also fnirsi dso152 pocket one channel. Will buy a better pico after I get better at it. Just because I'm 67 it don't mean quit learning. Son has me bringing motorcycles back from the dead. So far a 750 virago that had a fire burnt wiring and carbs etc. a 920 virago out of a farm lot what a mess wiring etc. was done. A xl75 for my grandson wow it was real rough. A 1200 venture that sat way to long. My good bike a 1300 venture. Now a 750 4 Honda real rough. Wow I'm rambling