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alternator over voltage regulator diode trio

  1. orangeblaze

    16 to 17 volts at alternator output on 3 wire 10Si

    Well, I usually don't get stumped while working on my 81 k5 electrical. But last month my truck alternator started putting over 18 volts out. I figured it was the voltage scenting wire that I ran to the hot terminal on the the firewall to help with voltage drop, not that.... So I then figured...
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