If you guys read in the high pitched noise thread, it stems from the ECU. Replacing the ECU will somewhat fix the issue. I guess it's the power supply section making the noise... not much you can do there.
My solid state drive and graphics card does the same as well.
Ever get annoyed by the CRT sound? Thank goodness for LCD monitors as long as the inverter for the backlight doesn't start making noise. Speaking of which, inverters for Indiglo gauge faces made the same noise as well.
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