>         Hmm, now that's a good idea, only problem I can see if you'd have to build
> your shunt such that it could pass the hundred or more amps needed during
> starting, without suffering a large drop. TTYL

Just take _NEGATIVE_ on battery and on car's ground. The thick piece of
wire connecting the battery to ground would be your shunt. Then amplify
with an opamp to your needs.

Ale

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