how does SCV work on a radio in a 97 camaro?

JeffP1167

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Dec 21, 2009
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Location
Yucaipa, CA.
It used to be my radio used to automatically increase volume at different speeds. Seemed like the first adjust was around 40 then 60 then 80. Unless of course I just didn't hear the subtle changes through the speeds.

Anyways now I can have it on a nice residential setting that isnt obnoxious but as soon as I start moving it goes to almost full volume.

Some have said there is a microphone in the car that detects noise and the system uses this for volume control, still others say it is controlled by VSS input.

This is a NON-monsoon/bose it is just the base theftlock am-fm/cd radio.

Is the radio just taking a crap? My speedo works fine so I can't imagine it to be VSS related if that is how the system works.
 
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