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Old 04-21-2012, 04:55 PM
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KeysCatalina KeysCatalina is offline
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perko makes a off-1-all-2 switch with a alternator field disconnect its about $6 more than the same switch without it. There are 2 extra poles on the back of the switch to connect directly to the alternator or diobe (regulator/rectifier). I believe certain alternators are more susceptible to being damaged if you turn the switch "OFF" while engine is running because you are taking the load off the alternator/regulator/rectifier/diodes... and that dc current has no where to go when the battery is disconnected from the circuit on the fly.

seems like the above posters have some good info i can contribute the attached diagram i got from perko as well.
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Last edited by KeysCatalina; 04-21-2012 at 04:58 PM.
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