Recent content by maxmayhem

  1. M

    Sub cuts out at ~15V

    I was wrong about the voltage regulator, it is external. I have replaced both the alternator and voltage regulator. The highest voltage it has gone now is 14.8V, and no problems so far. I haven't had a chance to test on the highway yet. Hopefully it is fixed. I will try it for awhile and...
  2. M

    Sub cuts out at ~15V

    I have a volt-meter under the dash. ~13V at idle (depending on lights, wipers, heater, etc), 15V highway. I purchased the alternator about 4-5 months ago.
  3. M

    Sub cuts out at ~15V

    Just 1 battery, recently purchased refurbished. The alternator has an internal regulator, recently purchased new.
  4. M

    Sub cuts out at ~15V

    Bosch AL502X 60A
  5. M

    Sub cuts out at ~15V

    Maybe a bad fuse?
  6. M

    Sub cuts out at ~15V

    Alpine MRP-M500
  7. M

    Sub cuts out at ~15V

    Greetings My sub cuts out when my RPM's are high and my alternator is throwing out ~15VDC. When the idle/voltage is lower (red light/city driving), I can crank it to max and it works perfectly. My theory is that 15V is too much and trips the breaker. I was thinking maybe some sort of voltage...
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