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I have a rockford fosgate prime r500x1d amp and it made a weird noise and then it smoked but the blue light stayed on and it seems to be working fine ,could the thermal protector have burned up?


There is no chance that the thermal protection burned up and the unit still works. The thing you need to find out is why it did that. Check the speakers and the wires for shorts and proper impedence.

Jan 09, 2015 | Rockford Fosgate Car Audio & Video

1 Answer

Rockford fosgate p4004


You need to check the ohms on your subs an amp . try unbridgen the amp . Go to Rockford Fosgate dot com on the amplifier wiring diagram hopefully that helps 6_28_2013_8_51_12_am.jpg

Jun 18, 2013 | Audio Players & Recorders

1 Answer

Rockford P5002 amp problem with thermal light and low voltage


Hello rbenwalker,

The voltage drop may not be in the actual power wire itself. The same reading on both the B+ and remote terminal probably points to a bad or high resistance ground. Try a different ground point or make sure there isn't any corrosion, paint or anything else preventing metal to metal contact.

Hope this helps.

Sep 12, 2009 | Rockford Fosgate Punch P5002 Car Audio...

1 Answer

Rockford P5002 not getting enough power


7 volts will not be sufficient for the amp either for power or remote. Also check to make sure you speakers wires are not crossed. If its goin it to protect mode immediately the amp is detecting a fault and is not turning on.

Sep 12, 2009 | MA Audio HK4000D Car Audio Amplifier

1 Answer

Rockford Punch 550.2 amp wont play


The amp is blown and need to be repaired.
You can contact Rockford direct to find a repair dealer.

Apr 16, 2008 | Rockford Fosgate Punch P550.2 2-Channel...

1 Answer

Stuck On Thermal Mode.


With your multimeter set to DC volts, the black meter lead on the ground terminal of the amp and the head unit on (so the amp will have remote voltage applied), touch the red lead alternately to the B+ and remote terminals of the amp. If the voltage is below ~11 volts, you need to check the wiring feeding whichever line is too low.


If the voltage remains near or above 12v, disconnect all speaker wires from the speaker terminals of the amp and disconnect signal cables from the amp. If it powers up, the wiring needs to be checked. If it still remains in thermal protection, the amplifier likely has an internal fault and will need to be repaired.

Dec 28, 2007 | Rockford Fosgate P3001 Car Audio Amplifier

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