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Power light on fosgate p8002 won't come on....any ideas?

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Posted on Jan 02, 2017

joy52ph
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SOURCE: rockford fosgate P8002 grounds out when sound

you have a bad ground contion

Posted on Jan 28, 2010

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My amp protection light came on one day. Now it won't turn on. What's wrong?


There is more than likely an issue with your amp, it could've happened from a wire being shorted to ground or a damaged sub causing bizarre impedance issues at your amp. Uninstal it and have it bench tested.

Jun 03, 2012 | Rockford Fosgate Power T1000-4 Amplifier

1 Answer

I just needed some help with wiring my p8002 rockford amp to 2 fosgate 10 inch subs i just bought. there 4 ohms a piece and dual voice coil. i dont know much about car stereos but people keep telling me...


Well i tried looking up that amp, but Fosgate sight is down. So assuming that the best power out of your amp is 2ohms off the bridged hookup, and the subs are 4 ohms per coil, the best way is to only use one side of each speaker and hook it straight the the bridge. Only using one hook up wont hurt anything, its just for giving you wiring options. And when adding up ohms of speakers, it goes like this. If you had two 4 ohm subs, that'll give you a 2 ohm load. If you hooked up all your hookups, it would be like having four 4 ohm subs, and would give you a 1 ohm load.

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Jan 19, 2011 | Car Audio & Video

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No power after i unhooked the wire from amp, left wire uncovered at ends for couple days tried hooking them back up and no power now. is amp blown


if you unhooked the wire from the amp while the amp was on, you may have possibly blown a fuse, or mayb a transistor or compacitor inside the amp! easy fix, just find new transistors and compacitors and soilder them on after removing old ones!

May 03, 2010 | Rockford Fosgate Punch P8002 Car Audio...

1 Answer

Rockford p8002 keeps pulseing. (not a ground problem)


for seeing a out of phaze speaker you would have to run like a 10 hz or lower signal to the amp you might be seeing a optical illusion if they were out of phaze or backwards the speaker would have cancled each other out so it would sound like **** as you said.but anyway it sounds like the amps power supply is bad.put it back in you car and see if it still works like it did befor you put it in your friends car.you may have burned it up.find out how much the amp is worth and if can have it fixed for less then 60% of orignal cost then have it fixed

Mar 18, 2010 | Rockford Fosgate Punch P8002 Car Audio...

1 Answer

Rockford Fosgate T15004 The Amp still powers up with the


Check you inputs to verify you have a signal coming in, if signal then check outputs try a speaker that you know is working and plug it in if that speaker plays then the subs/ or speaker wiring is bad, if it doens't play then you probably have a blown output transistor on the amp or possibly a terminal ground/positive has come loose on the inside..

Oct 27, 2009 | Rockford Fosgate T15004 Car Audio...

2 Answers

System Cuts Off


your amp is tripping out because the subs a drawing to much power get a better amp alpine subs demand a lot of power try a high current amp

Jun 30, 2009 | Alpine Type-R SWR-1222D Car Subwoofer

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