Question about 2002 Chevrolet Impala
Hmmmm. You replaced the Amplifier and CD changer in the trunk but did he replace the actual Radio? Volume control is from the Unit in the passenger area between driver and passenger. If the Volume circuit in that isn't working then the rest will fail. If you are only having trouble with the CD in the trunk it is most likely a connection and you will have to trace the wires. There is an easy way to find out however, well easy compared to other things I have done. Go to the amplifier in the trunk and disconnect the speaker wires that feed it. Using a cheap battery operated radio connect to the Amplifier IN wires and see if you can hear the portable radio. If you can this confirms the problem. If you can't hear it try connecting to the speakers directly on the output side of the amplifier and see if you can hear the portable radio. If you can't it's time to take a spare speaker and connect it to the Output side of the amplifier and get any volume. Your are checking that the amplifier is actually working and checking for a grounded speaker wire that is shorting your system. In order to find these you have to isolate them to a specific area. Most vehicles with Amplifiers mount those and CD changers in the trunk but all operations are still controlled by the actual radio in the Dash. I believe this is your problem.
Posted on Aug 07, 2010
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Posted on Jan 02, 2017
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