Question about JVC Sirius KD-LH300 CD Player

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JVC KD-LH300 problem

Well, i was just curious, but i wanted to test out the stereo before i put it in my truck, so i grabed a battery and hooked up the positive and negitive to the battery, i hear it turn on (cause the laser in the cd area moved around) but the problem is when its "on" i cant do anything on it. i hit the display button and it shows the time for 10 seconds then goes blank and thats it, it will also open and close to take or give back cd's. when i hit the other buttons, it does nothing. is there another wire that has to be hooked up to use it any further?

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Re: JVC KD-LH300 problem

Any after-market CD player needs voltage on the yellow wire and on the red wire before it will turn on. The yellow wire is for a constant power source, and the red is for a key-switched power source. When you hook it up to your battery using only the yellow wire and the ground wire, it's similar to having it in your dash without turning the key on; ie, it will load and eject, but won't power up and play with the key off. Turning the key on sends voltage to the red wire.

Posted on Jun 05, 2007

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