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Originally Posted by A. J. Clark
I have a LaSabre Limited. After a cold night here it wouldn't start when I left work. Jump it and started ok. So I wanted to check the battery terminals. I found the ground loose. I took the lead off the battery to make sure it wasn't corroded. Now the radio doesn't work. I should have known not to take it off as this is the second time this has happened.
2 1\2 years ago the same thing happened when I had to replace the battery. The clock doesn't work, radio doesn't work, the controls on the steering wheel doesn't work, and no lights on the radio. I took it to the dealer where I get it serviced. They checked it and said there was voltage to the radio and would have to replace it at $400. Couldn't spend $400 for a radio then or now.
After 5 months the radio mysteriously came back to life and worked ok since then.
I hate to wait 5 months or however long for it to come on again. Maybe it won't come on again.
Any ideas or where to start on a problem like this.
Another thing is there is climate controls on the passanger side. The display lights have never been on before. Now they work??
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Obviously, you have a loose connection somewhere. Since, the radio was out and the climate control now comes back to life, I would assume that the radio was okay to start with. I would get a wiring diagram and see what is common to the radio and climate control as far as the power goes. Could be either in the ground or positive side.