Hey all long story short the subwoofer i have has a built in amp. I've checked the fuse and it's good power isn't a issue as when i unplug the bass adjustor it makes a thud sound so it has power. But i suspect it's the audio that's the issue the speaker it's hot-wired in it working fine and ive checked the lines everything is connected. Only thing left is to replace the mid adapter or whatever it is the small box that taps into your stock speakers and then converts it for your sub to use......."PAC SNI-35 Variable LOC Line Out Converter"
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