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Mooney_Pilot
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- 1965
I am preparing to install a 100 amp alternator, which has a single wire connection and a built-in regulator. Cutting out the external regulator will disconnect the ammeter, but it can be rewired to act as a voltmeter. Basically I just have to add a resistance in series with the ammeter (which is very low resistance) and then connect it in parallel to the battery. Simple enough, but what value resistance should I use? I have seen numbers of 1000 ohm, but that is only a rough guide, ideally I would like the gauge to be approximately central when the battery is OK.
I know of a firm in Texas that will do it for a fee, but since I am in Canada that means shipping my ammeter across the border, twice, and that can be expensive. The concept is simple, I just nee to know what value resistance to use - any ideas??
I know of a firm in Texas that will do it for a fee, but since I am in Canada that means shipping my ammeter across the border, twice, and that can be expensive. The concept is simple, I just nee to know what value resistance to use - any ideas??
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