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Problem: Buzzing sound in audio systems
Inexpensive stereo systems have an inadequate
internal power supply filtering which causes a
buzzing sound. A system with a high quality
filter is the only solution.
Battery is discharged. Recharge battery.
Vehicle fuse blown by
heavy load on 12 V
outlet.
Replace the fuse on the
vehicle’s 12 V outlet.
Use a lower power
load.
Probable cause Suggested remedy