Question about Sony Xplod XM-554ZR Car Audio Amplifier

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Power my amp has power goin to it but the light is not coming on and my subs are not working. please help!!!!!

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  • wrestleboy29 Aug 18, 2008

    my power protection light is red and i can't figure it out

  • slckjij Dec 09, 2008

    Same problem, Sony1200 w. hooked up as high level input with 2 speakers (subs) All wires hooked up, got power to the bus bar on the amp (12v. & remote hooked to a 30amp fuse in the panel, proper gound) but no light.
    I have an 800 w amp in my truck & the remote ain't even hooked up & it works.
    Idunno????


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First thing to do is make sure none of your wire going from amp to sub are crossing or touching. Also if its not a mono block amp, which means it has two or more sets of outputs for speakers, you have to make sure those arent hooked up with eachother unless you are bridging the amp. bridging is useing both terminals to power one speaker. if this isnt done right it wont work and the red light will come on. Also make sure ur ground wire is atached properly.

Posted on Aug 25, 2008

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Have you checked the on-board fuses?

Did you confirm (with a multimeter) that you have voltage on the B+ and remote terminals of the amplifier?

Did you have the black meter lead on the ground terminal of the amp when you checked the voltage?

Posted on Jul 19, 2008

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