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<blockquote data-quote="sleeperjake" data-source="post: 5220112" data-attributes="member: 604132">Alright here is the deal. I have an all rockford system. A p400.4 amp for my interior speakers and a p300.1 powering one sub. I also have the 360.2. None of this is hooked up to my headunit. I just have my mp3 player plugged into the 360. Everytime I shut the car off I get a thump just from the sub. The amps remote wires are hooked to an accessory wire in the driver side foot panel. The 360 is also hooked to the same wire and is grounded at the same spot as the p300 amp.Now this is what I&#039;ve tried.I first unhooked the 360&#039;s ground thinking it was a ground problem. The sub still thumpedthen I unhooked the 360 from the accessory wire and the thump stopped.I then hooked the 360 up to the ignition wire and grounded it at the same spot as the p300. Instead of the sub thumping when i shut the car off the speakers hooked to the p400 thump.I got pissed so I just hooked it back up the original wayI&#039;m confused I don&#039;t know what to do. Do you guys have any ideas.</blockquote>

[QUOTE="sleeperjake, post: 5220112, member: 604132"] Alright here is the deal. I have an all rockford system. A p400.4 amp for my interior speakers and a p300.1 powering one sub. I also have the 360.2. None of this is hooked up to my headunit. I just have my mp3 player plugged into the 360. Everytime I shut the car off I get a thump just from the sub. The amps remote wires are hooked to an accessory wire in the driver side foot panel. The 360 is also hooked to the same wire and is grounded at the same spot as the p300 amp. [SIZE=14px]Now this is what I've tried.[/SIZE] I first unhooked the 360's ground thinking it was a ground problem. The sub still thumped then I unhooked the 360 from the accessory wire and the thump stopped. I then hooked the 360 up to the ignition wire and grounded it at the same spot as the p300. Instead of the sub thumping when i shut the car off the speakers hooked to the p400 thump. I got pissed so I just hooked it back up the original way I'm confused I don't know what to do. Do you guys have any ideas. [/QUOTE]

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