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I am trying to install a JVC KD-S34. I have tested all the power lines, and they all have power when they are supposed to. Light line comes on with the lights, switched line comes on with the key, and continuous power is always on, yet the unit does not seem to get any power. Nothing happens when I plug it in. Have tried reset button, and nothing. Any ideas? Thanks, Brian

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There should be 2 power cords , one yellow and one red, ensure both are connected and the input power is sufficient

Posted on Jul 12, 2008

  • Rishi Roshan Ali Jul 12, 2008

    one is memory and the pother is power, also you ignition must be on


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Hello c92bivens,

While your KD-G320 does not have a specific subwoofer output, Kenwood did make provisions for adding one. There are two stereo pairs of line outputs on the back, one each for front and back. On the set for the rear, you can select a "line output mode" of "REAR" for normal speakers, or "WOOFER" for operating a sub.

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While testing before final installation of the JVC KD-G240 CD Player, the only power I can get is to eject a disc and temporarily display the time. I cannot turn the unit on. After pressing the reset...

This is an indication that the "ACC" line is not getting the 12 volts to turn on the radio. Check the fuses, it may have blown one. The "ACC" is the red wire that comes off the back of the radio harness. It needs a 12 volt supply when the key is turned on for the radio to work properly. When this is missing, you will have the conditions you have described. The yellow wire is for a constant 12 volts even when the radio is off and the car is off. Since you do get the eject and the clock display you have a good ground, so that is not an issue. You just need to find out why you do not have the 12 volts on the red wire when the key is turned on in the car.

Dec 10, 2008 | JVC Car Audio & Video

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there is two power sources to head units, one is a constant that makes the unit remember the time and such and the other is to actually run the unit. So am I correct to assume that the unit does not come on when the car is turned on? If so, check the wiring for the ignition

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There are two power wires to consider when installing an in dash receiver. They need to be connected to different sources.

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The yellow is most likely the problem. If it's power source is interrupted, the unit will 'forget' it's settings.

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Managed to find the manual on-line. Downloaded same. Thanks for the opportunity
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JVC KD-s34

and the speakers are hooked up right ?
then it should be working..

did you check the fuses ?
did you check if it comes on with the car started?
are the wires the correct amp ?
try connecting both wires directly to the battery ?

if all that is correct then by all means you got everything hooked up corectly and it should work, return it to the store and have them check if its working correctly

Jul 12, 2008 | Car Audio & Video

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