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Discussion Starter #1
have an 06 mega with Factory infinity system along with a pioneer avic and the corresponding PAC radio interface. Everything had been working well for years but then the system developed a parasitic drain with the factory amp. If I leave the fuse out for the amp, I can leave the truck parked for a month and still start. with the fuse in battery will be dead in 2 days. It has a constant 2amp drain.

Is there anything I can look at to fix it or?
 

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Well, that's a pretty specialized electronics question, but off the top of my head I'd say it's probable you've developed a short in the amp section, either a stuck (or fused) internal relay, or a shorted capacitor.
 

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Discussion Starter #3
Well, that's a pretty specialized electronics question, but off the top of my head I'd say it's probable you've developed a short in the amp section, either a stuck (or fused) internal relay, or a shorted capacitor.
Thanks, I wasn't sure if there was a common problem somewhere that causes the amp not to go to sleep.
 

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Thanks, I wasn't sure if there was a common problem somewhere that causes the amp not to go to sleep.
That's also a possibility, but I'd think you'd have to have a stuck or shorted relay for that to occur. Without knowing anything about the amp it's hard to say. It might be switched by 5 cent transistor that's gone bad, too.
 

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Good Job Troubleshooting!
Possible another audio component that is powered on the same circuit?
but sounds like you found the problem.
 
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