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I did a search on the above topic, but couldn't find any current info. My apologies if this question has been asked before.
My dad has a 91 Vert and the speaker in the passenger door, will crackle when he goes over a bump. If he goes over another bump, it will stop. I'm just wondering what might be the possible cause. Would it be some kind of ground wire, or bad amp?
Any help you could give would be greatly appreciated.