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Why do i have to reset radio stations each time i turn car off?
Wiki User
∙ 12y ago
Your radio must be poorly installed in your car for you to reset your stations every time you turn your car off.
A car radio ultimately rely on 3 wires for it to function properly.
12 volt wire- Gives Continuous Positive current to radio. Saves your settings, and Saves your stations when your car is off and on.
Ground wire- Gives Negative current to radio. Work with the Positive current going to your radio coming from the 12 wire. Without this wire connected, your radio wont function at all.
Accessory wire- Will only provide Positive current to radio when the car turn ON. This wire is used to make sure the radio will turn on with your car.
The reason you have to keep resetting your stations every time you turn on your car is because someone connected both 12volt wire and Acc wire that's from the radio into the Acc wire in the car. There's no continuous positive current going to the radio when the car is off because the 12volt wire in the car was not used.
I'm a professional MECP Certified Mobile Electronic Installer. Let me know if you are confused or have any more questions regarding your audio system.
Wiki User
∙ 12y ago
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