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Q: The front speakers in my Lucerne are very weak. on 2009 Buick Lucerne

Sometimes--not often- they come on and work fine. Mostle they are so weak I just fade to the back speakers only. No pattern in when they do work. Nothing done to the car except oil changes for a long time. What's up ? Thanks.
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Find a good audio tech. to check it out, google it for the search. Most likely in the stereo itelf. Usually if a speaker is defective it will not recover. Stereo output on the other hand will.
I have an 08 Lucerne with the same problem. No sound from front speakers to speak of. You proably don't have any chime sounds either. It is most likely your left side front door speaker is bad. I just went through this. The chimes from several funtions, like door open, back up assist, lights on. key in ing and so on. The speaker is 4 ohm, check it with a ohm meter. Iy you get no reading at all, take a 9volt battery and with the speaker disconnected touch it to the terminals momentarily. ifs it's good you will see the cone move one way or the other. Do it only momentarily! If you buy another radio it has to be the same part number. These radios are programed for your car. Check blogs on the net for further info. Good Luck!
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