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My xt 4000D amp will not play the blue power light is on what could be the cause.

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Ground wire loose, and make sure your constant 12v fromm the battery, and last but not least your on and off remote wire coming from the head unit, it turns the amp only when stereo is on.. if all those wires check out then your RCA cables got cut or mangle, make sure your speaker wires are connected right , the woofer should blow outwards no inward, if inward your negative and pos canles are backwards.

Posted on Dec 17, 2016


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My truck keeps blowing fuses in my power wire like its grounded out. i have re-done everything and it still does the same thing

It may not be the wiring, it could be the amp itself. If you are completely confident the power wire is not grounded the following test will confirm it. If it is grounded you will be out another fuse. Disconnect the power wire from the amp. Tape or cap off so it doesn't accidentally touch metal. Replace your fuse (take a part the fuse holder if you can and use a small cheap fuse.) If it is grounded the fuse will pop. If it doesn't pop, the problem is in the amp or improper wiring at the amp.

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Feb 27, 2011 | DHD US Amps Xterminator XT-4000D

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Remove off the speaker and check if the protection light changes, if so the speakers are short by themselves or to the body.correcct and check.
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I suggest to use separate amps to your sub, get a 2 channel amp for your sub and 4 channel amps for your speakers.

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