Quote:
Originally Posted by laps3781
would a bad pressure switch cause a parasitic drain on the battery and/or create the chirping i hear through the speakers?
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The pressure switch controls the aux fan. A bad FSR will drain the battery. No ideas in regard to the chirp coming thru the audio system. Have you verified alternator output?
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'03 X5 4.4 Sport, last of the M62s (8-03 build date)
I believe in deadication to craftmanship in a world of mediocrity!
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