Question about JBL Car Audio & Video
I believe you have a weak ground signal. Check the ground location.
Unhook the power fuse from the battery. Remove the ground, peel off the paint behind the bolt and scrape the copper off the back of the connector as well. You want metal to metal basically. Put back in the fuse.
Could also be incorrect wiring to the subs and amp.
Has the amp ever been hooked up before?
Posted on Aug 02, 2010
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Posted on Jan 02, 2017
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