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Sort of. I have the Nuckolls "crowbar" system has the Alt switch powering a Master Relay that controls Alternator output. Turn on the Alt switch, the relay closes putting battery voltage to the B+ terminal which is jumped to the "F" terminal. A zener diode in series with the power lead to the Alt Relay zenes at 16 or so volts and shorts the Alt lead to ground blowing the fuse or CB which causes the Alt Relay to open disconnecting the Alternator output from the rest of the electrical system.
No new wire to speak of - just a little stuff in the Alt circuit and of course the Alt relay.
Works great for me ... Jim S.
John Downing wrote:
Does any one know of a simple inline overvoltage control that can be installed in the alternator power lead. I have an internal regulator, alternator and the overvoltage units at ACS are part of a voltage regulator and quite pricey too. JohnD
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