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Whine in stereo and audio module fault

How to integrate your phone into your Volvo's audio. Which speakers to buy to replace old ones. Recommended head unit brands and models... This is where we talk watts, ohms, GPS, iPod integration, component installation, tips, tricks and advice for making your Volvo's audio, video, ticket avoiding and mapping gadgets work better than ever... iPod, XM, GPS, DVD, Speakers, Amps, Radar Detectors
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Mike Langlois
Posts: 128
Joined: Tue Apr 22, 2014 10:00 pm
Year and Model: 2002 V70 & V70 XC
Location: Santa Ana, CA, USA
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Whine in stereo and audio module fault

Post by Mike Langlois »

Greetings All,
My 2002 V70 has developed a loud whine when the radio is turned on. It is an after market radio that worked well for 3-4 months and suddenly the whine developed. When I power the radio from a battery (not the car) the whine disappears. Vida is showing a fault in the audio module; I am not sure if this is from the radio change or a real problem in the module. The small fan that pulls air across the thermistor (for climate control) seems to stay on at all times and I do have a "phantom" draw on the battery, that deplete is in about 2 weeks. I have a distinct feeling the that 'forever running fan' is involved somehow, since the whine is present with the car off and the car on. I would appreciate any thoughts on this. Getting ready to take it to a Volvo specialist if I can't figure out what is wrong.

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