Factory Subwoofer not working 01' Tahoe LT

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Aaron81

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Anyone know how I can diagnose or what part of 01 Tahoe audio setup powers the factory sub ? Does this truck have a factory amplified setup
The doors all work great 4 channels running off a jvc single din . The previous owner stated he got the truck with a 8" Sony replacement in the rear but it never put out sound .
Would this be due too having the aftermarket radio in ? Ultimately Bypassing the amp that runs the sub on a low pass frequency. I have not removed the radio but I'm sure it must have a pac harness system if it's running the door speakers just fine. I just want to get the subwoofer working .
 

BatsTDK

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Do you have the factory Bose system? Have you pulled the trim from around the sub to inspect it? Could be something stupid easy like a wire came loose.
 

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