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<blockquote data-quote="hari-bhari" data-source="post: 7406208" data-attributes="member: 559890">hey guys, so i went to two different places today and they said my alternator was good (i actually had already upgraded to the 130 amp toyota highlander alternator in 2008, but i thought it was going bad so i was planning on getting a new remanufactured one with liftetime warranty). resting voltage with the car on was 13.7, and under load (headlights, ac, etc), was 13.6. Also, my resting battery voltage was a tad low at 12.3, so i can get it recharged. I don&#039;t know if this points to an alternator issue, even though the tests showed that it was ok. Isn&#039;t it supposed to hover around the low 14s?With that being said, I don&#039;t know why I&#039;m getting nasty drops to the 11s with loud bass. Ive checked all my connections and grounds, and they appear good.I am also planning on upgrading to a yellow top, and running 0awg for the big 3, and to the trunk for the amps. Beyond that, i will probably need a new alternator and also a second battery in the trunk.is there any way to measure the maximum current output of the alternator, to see if i am really achieving the 130a like it says?</blockquote>

[QUOTE="hari-bhari, post: 7406208, member: 559890"] hey guys, so i went to two different places today and they said my alternator was good (i actually had already upgraded to the 130 amp toyota highlander alternator in 2008, but i thought it was going bad so i was planning on getting a new remanufactured one with liftetime warranty). resting voltage with the car on was 13.7, and under load (headlights, ac, etc), was 13.6. Also, my resting battery voltage was a tad low at 12.3, so i can get it recharged. I don't know if this points to an alternator issue, even though the tests showed that it was ok. Isn't it supposed to hover around the low 14s? With that being said, I don't know why I'm getting nasty drops to the 11s with loud bass. Ive checked all my connections and grounds, and they appear good. I am also planning on upgrading to a yellow top, and running 0awg for the big 3, and to the trunk for the amps. Beyond that, i will probably need a new alternator and also a second battery in the trunk. is there any way to measure the maximum current output of the alternator, to see if i am really achieving the 130a like it says? [/QUOTE]

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