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Chrysler Concorde Maintenance and Repair
When I consulted the Dealership I found that a new audio amplifier is around $300.00. Checking with local junk yard and eBay I was able to find them for around $100.00. At this time I needed my vehicle and didn’t want to do without a radio. So I removed the amplifier card from the case in order to determine which component may be causing the problem. Since the current drain was only about 2 amps it was not obvious which component had failed.
About the time my problem started I notice that my right rear speaker not sounding good. When I discovered the audio amp problem I new the two were related. In order to determine which component was bad I connected the amplifier card to it’s connector with out using the case which serves as a heat sink for the amplifier chips. With the switch off one of the amplifier chips instantly over heated. I immediately removed the connector so as not cause any more harm to the amplifier card. In order that I may have use of my car and have a radio, I removed the component from the board using a pair of small diagonal pliers. I am sure this would not be recommended by the dealer. However I am a technician with an electronics background not to mention I had nothing to loose, it worked. I will just have to do without one speaker until I can replace the audio amplifier.
After more research I have discovered that this amplifier is used in many year and models of Chrysler ranging from 1998 to present. The Chrysler part number is P04760293AD.