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Been doing some sterio installing, Pioneer amp, speakers, Sub, Hella 500.
Did a reading and The fj Is currently at a stable 13.5,while Cruising. What are you Guys reading out of your FJ.
 

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Mines averages 13.2v when warm. But in the morning it goes up to 13.9-14.0V. Then drops back down to 13.2.
 

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i have been concerned about mine lately. i dont really pay much attention to the factory gauge, but i have noticed (nobody else can) some degradation in the highs when the bass drops super low. its alternator time, because i'm dropping to about 9 volts.
 
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