General Car Audio Discussion & QuestionsAll general car audio discussion goes here. Need help installing speakers, headunits, amps or electrical? Having problems with equipment? Have questions about a product, post here.
This is weird. When I first start my truck and begin to drive, my subs will make a bumping noise for about 4-6 "notes" as i drive away. It stops and does not do it again until I shut it off and restart and drive again. Makes me believe it's linked to the ABS sensor in the truck.
Dual alts, 3 batts, sub amp grounded directly to battery (2' length only).
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