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Z-19/RB question re: Internally shunted ammeter

 
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Johnny(at)wiktel.com
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PostPosted: Tue Nov 20, 2007 9:37 pm    Post subject: Z-19/RB question re: Internally shunted ammeter Reply with quote

Bob, my ammeter has an internal shunt (VDO gauge). This may be a dumb question but... Is there any way to get away from running the heavy B-lead cable thru the firewall to the ammeter and then back thru the firewall to the current limiter and starter contactor?

The second logical question, I guess, is this: is it unwise to hang the integrity of my alternator’s output on the innards of a cheap gauge, or is a shunt a shunt? This didn’t occur to me when I bought the gauges.

BTW, my alternator has an internal regulator so I am incorporating your interim schematic that puts a Crowbar Contactor in the B-lead to unload the alternator if the crowbar trips the circuit breaker.

Thanks for all your help... :=))

Johnny Johnson

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