Not to sure

[DCB]

Everything was working great then our of left field this loud screeching is coming out of my. Speakers. How or what or why idk but want it fixed asap. Any ideas welcomed

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[Louisiana_CRX 5,000+ posts]

Everything was working great then our of left field this loud screeching is coming out of my. Speakers. How or what or why idk but want it fixed asap. Any ideas welcomed

Screeching or whining like changing pitch with gas pedal? Also is it a Pioneer deck ?

 

[Smurfy76]

Sounds like a wire came loose. Check your connections.

 

[hispls 5,000+ posts]

Speaker wire shorted to ground or internal failure in amp or head unit could cause this. What equipment are you using?