Stop in for a cup of coffee

toolmanmike said

Yep, electronics can flake out. (as you well know) I sold Innova timing lights for many years without an issue. I just bought one of their cheapie scan tools for a buck fiddy from the parts store. It seems to work fine. It has a battery/alternator test which is pretty cool. No specs just a pass/fail.

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I'll give them this. They answered the phone pretty quick and the guy spoke standard American English.
He just hadn't put his thinking cap on and nor had I.
The multimeter probably can be serviced. Once I get the new one I'll call and ask about the old one.
The DCV and ohms settings need to be fiddled with a little sometimes.
It's probably wear related to the contact under the selection dial. There's a A-zon review of a similar DMM with a photo showing that.