Question:
There is a humming sound coming out of my speakers when my car is running. Its a 1992 Buick Lasabre, stereo and speakers are all factory.
Answers:
Where is a good place to get a decent amplifier install kit?
Try disconnecting each speaker then adding one at a time and see what happens. If that doesn't solve your problem, try a new head unit.
Does anyone have any documents about amplifiers and how to fix them?
It sounds like you're getting alternator whine, but I hardly ever see it in a factory system. Have you removed any panels or anything like that in the car recently, especially around the dash? Had any work done to the electrical system?If not, then it could be as simple as your old radio is just acting it's age and you'll have to upgrade soon.
One thing to check is to play the stereo with the motor off. If you still have the hum, then I'd guess that it's the stereo, but if it goes away when the motor's off then you're getting some electrical interference. So this probably means that something has changed in the vehicle, and it may be just a side effect from another problem that has nothing to do with the stereo.
Either way, you'll probably need to take it to a stereo shop and have someone take a look at it. It doesn't cost anything to ask a question, and they'll give you a price before doing any work if they find a problem.
ground loop, how bout your grounds?!?
Can you see Headrest TV's or flipdown monitors on through a 5% tint?
this is a common problem with GM cars. I would look to see how the ground to your stereo is hooked up and how the neg wires to the speakers are connected to the deck.If it does it even when it's not running thats unusual, you might want to try another antenna.
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