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Car stereo help

I installed a Sony aftermarket stereo into my '99 saturn car recently. I usually just hook up the red, yellow, and ground wires first to make sure northing is wrong. When i do, the unit makes an ejecting noise, but the front display does not turn on. I checked fuses, wiring, everything is hooked up right. Could it be that a different size fuze is needed, or that a different wire, other than the yellow, red, and ground is needed for the display to turn on?

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There are some tests you can perform for checking the stereo. Yes, you are right, there is a yellow and red wire. Yellow constant power, red is switched throught the ignition. During the installation, you may have blown a fuse. A bigger fuse is not needed, stick with the same size if you find a bad fuse. Hook the red and yellow wire together for TESTING PURPOSES to one or the other of the hot wires in the vehicle. This will also test to see if you have a bad fuse. If the stereo powers up in one or the other power connections in the car and works, you have a blown fuse. I have seen some fuses be located under the hood of the car near the car battery. Hope this helps, Bob

Posted on Oct 31, 2008

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