Originally Posted by
Manolito
Do you have HK speakers? If so, you have an HK amplifier in the side of the trunk. You have to remove the left rear deck speaker to pull the trunk lining to get to the amp. Those amps fail with great regularity under the best of conditions, and if someone plug-and-played a Pioneer head unit in the dash and fed its signal directly to an HK amp, that did not help.
If you have original HK speakers, I am surprised that the door speakers still work. They tended to fail after about 10-12 years.
Pick-n-Pull is your friend if you are looking for another HK amp.
If your Pioneer has an internal amp that can be disabled, doing so would probably be a good idea.
If you cannot find a good HK amp cheap, you can put jumpers in the plugs in the amp and bypass it. It will not sound great and you will have to choose the four speakers that you want to use as the head unit puts out only four channels. I no longer have the amp plug pinout figure that I made while I was looking for another HK amp. I made it from trial and error .
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