Looks like used ones are about $120 on eBay so if it is the amp at least it won't be too painful
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ya I had to order another maestro, they told me to just take out the parts I needed then send the other one back for a refund, it wont be here till after xmas and I got ADS to put my firmware back up on the web interface till the end of Feb, I just hope it's not the head unit because when you reset the maestro it also powers the head unit on/off, but I tried just turning the head unit on/off by the control and it didn't make any difference but doing it that way is more or less only a soft reset.Sounds like you're on track to isolating the problem. Good job! Tracking down intermittent electrical stuff is rarely quick and easy.
i'll get to the bottom it eventually, it will work all day if I never shut it off, I only loose line audio when I restart the truck after it's been running about an hour (roughly), the rca out to my sub still works and all other radio functions work. I have read over the ADS forums on 12volt and it seems to be a common issue of the amp turn on signal either due to old firmware issue's or a loose connection. Truck is having transmission service done today so I had to drop it off early this morning so once I get it back I will take it by the installer that wired up the maestro harness and have him check the amp data wire connection if that looks good then we can try a jumper and see if that resolves the problem. It could be a bug in the firmware or my truck is just weird I already had to have them change the firmware for me because RAP wasn't working properly and they said my truck was only like the 3rd vehicle that ever had that issue reported to them. It's just going to take a little time due to work and kidsThis is crazy. Sorry you dealing with so much. I have a 4200 nex and have driven many nights playing for hours (4-6) with constant blasting. Sounds like you not hitting a bump or anything that would make us worry about something loose. My PAC gave an issue when I first installed due to loose harness or similar. Can you bypass the rear speakers so they connect straight to the pioneer and see if they turn off when the fronts do?