This is the essential tool every hybrid and EV auto mechanic needs

What's the one tool every EV and hybrid mechanic should own because it literally saves lives? The answer is, of course, the ...
Ars Technica

Problem setting car amp input sensitivity using multimeter

All, I posted this at DIYMA, and didn't get too may helpful responses, so figured I'd ask the Hive Mind. Back in the '90s, I used to set amp gains by turning the level pot all the way up and then ...