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I have an 07 Touring model with almost 60K miles. Has everything on it minus Nav. Every once in a while, the interior lights flicker, and at night, you can even see it effecting the headlights. I went by an Autozone to have them check the battery (seeing how the dealership we bought it from had to jump it off before we took it home). Based off their test, they said the battery was fine, that it was the alternator. I've also read about some kind of voltage regulator switch that could be at fault. Also read how the average battery doesn't have enough juice to help provide enough load with all the electrical goodies running.

Anyone else have this problem? Not sure if buying a Optima Yellow top will fix this, or if I should go get a second opinion.

Thanks
 

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The voltage regulator is built into the alternator so if there is a problem = new alternator. A weak battery will damage an alternator if it is constantly charging it. A battery should be 13 volts or more when fully charged and tested with the vehicle off. When the engine is running the alternator output is around 14.5 volts. Any warranty on it? It is not an easy job to change the alternator on an odyssey.
 

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If your lights are flickering, as mentioned above it's probably the voltage reg in the alternator, time to replace alt. The battery may have caused the bad alt, but anyway the battery is about 5 years old so it's time to replace that too, sorry.
 
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