Speaker interference / crackle when off.

by Ian

I have a 2009 Swift Challenger 540. It has recently developed an annoying problem in that we get crackle interference on the stereo speakers, all be it intermittently, even though the stereo isn't on. This can last for a few seconds or minutes.

When it happens at night it wakes everyone up. Any suggestions why this would happen? Probably a short between the power and speaker cables. How about removing the fuse in the fuse box for the stereo as an interim solution.

Could you tell me which one it is, if there is one?

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