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Old 10-03-2022, 05:11 PM
fintubi fintubi is offline
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Join Date: Aug 2013
Location: Los Gatos, CA
Cobra Make, Engine: ERA #3014; 331 CID SBF
Posts: 86
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Default Voltmeter conversion

ERA has instructions and schematics for replacing the in-dash ammeter with a voltmeter.

The key step is simple: eliminating the ammeter from the connection between the load side of the master circuit breaker and the line side of Fuses #1 and #2.

There's also a recommendation to add a heavy-gauge wire between B+ and the alternator BAT terminal, especially when a high-output alternator is used. I gather the reason for this is to provide a direct path to support charging a depleted battery at higher current than the master breaker rating.

My question: if this is done, does the master breaker retain any function? The new connection to the alternator presents unfused B+ at the line side of Fuses #1 and #2 via the original orange alternator wire, effectively jumpering the feed to the same fuses via the breaker.

Thanks,
Bill
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