Stan owned a starter generator business so here goes.... The theory behind it is when the alternator stops producing energy, " stops turning", the fuel supply is now shut off. In case you are involved in an accident there will be no fuel flow to possibly ignite. Another method to do it is with an oil pressure switch which will require a lot of wiring.....hope this helps.
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Stan, Mary, Maggie the Canine Princess & Lucy Princess in Training
2013 Holiday Rambler Ambassador 36pft
2014 Cadillac SRX Toad
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