trv

All speakers/head unit are stock. And they've been working on and off for the past month or so. But it's getting much worse now.

If I brake hard or hit a bump, there'll be a pop from all speakers then it started to work for a few minutes.

The head unit seems to be working since it displays the radio channel. And I pulled out the head unit yesterday. All the connections seem to in good condition, nothing loose.

Any suggestions? TIA

petern101

You probably have a loose wire somewhere since it works on/off if something vibrates or is struck.

Good luck finding that loose ground wire or speaker wire.

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zsudz922

yeah, sounds like a loose ground on the radio. trace the ground wire for the radio and make sure its good/secure. if you have a 4th gen. it should be grounded on the driver side of the center floor "hump", around the radio location.

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trv

It is a 4th gen. But I still haven't quite figured out where the wire grounded at.