Quote:
Originally Posted by DanEC
That’s probably worth even more.
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And the beauty of the shunt is that, should the ammeter start to fail, the increased resistance in the ammeter path will cause more current to automatically shift over to the shunt path, thus reducing the heat in the ammeter. Slowly, but perceptively, the ammeter will start to show less movement, then it will roll over, cough, sputter, circle the drain a few times, then pass on into the great automotive electronics scrap heap in the sky, yet your car will continue to putter on down the road.
