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6 Posts
I would like to say hello to everyone, I'm new to this site and I'd like to get some ideas from you about where to start on this problem.
I have a 2000 GT Convertible with the Mack 460 sound system. When I bought the car it came with the stock system speakers and amps but with an aftermarket head unit. The system has always sounded really good, lots of base but it has always had a noise in all the speakers. Gets a little louder as I accelerate and gets ALOT worse when I turn the A/C on. If I turn the car off and put the key in the ACC position the noise is gone. If I turn the key to the on position but do not start the car the noise is back. The system is still using the factory amps. I unplugged the amps and turned the key to on, not starting the car, and the noise is still there. Even if I turn the radio off the noise still comes through the speakers. It gets a little bit quieter but it is still there.
Now I due have another problem that I have yet to fix and that is the alternator is over charging at times. My battery light will come on for a couple of minutes then go out but does that a lot. The reason that I think it is over charging is that it is pushing battery acid out the caps on the battery and my gauge never goes into the negatives when the light is on. I'm going to replace that this weekend.
Any possibility that the noise in the speakers is from the alternator? But if that is the case why do I have the noise with key in the on position and the engine not running?
Any help would be greatly appreciated. It's so bad that my wife won't even drive it anymore because of the noise.
I have a 2000 GT Convertible with the Mack 460 sound system. When I bought the car it came with the stock system speakers and amps but with an aftermarket head unit. The system has always sounded really good, lots of base but it has always had a noise in all the speakers. Gets a little louder as I accelerate and gets ALOT worse when I turn the A/C on. If I turn the car off and put the key in the ACC position the noise is gone. If I turn the key to the on position but do not start the car the noise is back. The system is still using the factory amps. I unplugged the amps and turned the key to on, not starting the car, and the noise is still there. Even if I turn the radio off the noise still comes through the speakers. It gets a little bit quieter but it is still there.
Now I due have another problem that I have yet to fix and that is the alternator is over charging at times. My battery light will come on for a couple of minutes then go out but does that a lot. The reason that I think it is over charging is that it is pushing battery acid out the caps on the battery and my gauge never goes into the negatives when the light is on. I'm going to replace that this weekend.
Any possibility that the noise in the speakers is from the alternator? But if that is the case why do I have the noise with key in the on position and the engine not running?
Any help would be greatly appreciated. It's so bad that my wife won't even drive it anymore because of the noise.