Re: 97 f-150 high pitched wine from radio, buzzing behind...
If the whine changes pitch with engine RPM it could be a serious problem with the alternator. Possibly the voltage regulator, or a shorted diode in the alternator causing high frequency AC to be fed into the harness.
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May 22, 2007 - 31 posts - 24 authors
clicking or buzzing sound coming from the "headlight relay" which is in ... off when you turn on the headlights then it clicks instead of buzzing in that fuse compartment and the headlight flickers about 5-10 times a second in time with the ..... I have a 1992 626 mazda, the battery died and replaced it two days ...
There is a power relay that is operated by the throttle.
If the relay is chattering, buzzing that means something to
do with the batteries I would think. Has anyone measured the
battery voltage when that happens?
sounds like a ground problem. sorry i have no clue where to look and this would be hard to find. the ground will feed back and cause the noise. a fuse will have nothing to do with it. fuse just works until current gets too high and it burns to stop a short from burning wires and possibly the car. is the light flickering at all. what burns out a lamp quick is a lot of off and on that moves the filament and i wears out. if ther is a bad ground to that light it is losing the power then getting power then losing it again. see what i mean. and this action cause noise in the ground of the car which shows up on the radio speakers. good luck
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