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AM Radio Problem S60 2002

posted by  someone claiming to be Steve in CT on  Tue Dec 12 06:34 CST 2006 [RELATED]

My problem started with this puzzling AM radio behavior. When the engine is cold I have no AM reception. If I turn off the engine and run the radio from the Accessory position, the AM radio is just fine. Once the engine warms up, AM reception resumes. Also, when the engine is cold and running, turning on another accessory like the heated seats will cause the radio to either play OK or play intermittently.

Based upon a suggestion from a friend, I checked the voltage at the battery under 3 conditions: engine off, engine cold, engine warm. The readings were 13.5, 15.1, 14.8.

My hunch is that the AM signal booster stops working when the voltage is too high. That's OK, and I don't mind not having AM reception until the car warms up, but is 15.1 volts too high? Will it damage the battery (or anything else)? Do I need a new voltage regulator?






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New AM Radio Problem [S60][2002]
posted by  someone claiming to be Steve in CT  on Tue Dec 12 06:34 CST 2006 >


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