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Wisconsin | The good thing about a voltmeter is you can put it anywhere on the ignition or accessory circuit. An amp meter needs the whole current going through it, or a shunt that carries the whole current. An amp meter is not needed or as useful since alternators replaced generators.
Yes, you can hook just the battery wire to a one wire alternator and they work. Some of them seem to leak more, so drain the battery after a couple weeks, and some need to be revved up to start charging. | |
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One wire altenator ?