Question about Kenwood KAC-7202 Car Audio Amplifier

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Car audio I installed a new stereo system iun my car. Everything apears to be installed correctly . When i turn the car off however the speakers (woofers) make a loud humming sound for about 10 seconds then quits. Would a delay in the remote power wire turning off cause this?

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You need to use a multimeter to see if the remote turn-on voltage at the amplifier is dropping to near 0v as soon as you switch off the head unit. If it's not, you need to determine why it's not switching off quickly.

Posted on Dec 28, 2007

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Posted on Jan 02, 2017

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    Connect the positive wire from each speaker to the positive connector on the back of the stereo first. Then connect the negative wire from each speaker to the negative connector on the back of the stereo. If there is only one wire coming from the speakers, the speakers are grounded at the chassis. In this case you will need to install new speaker wiring.

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    If after connect your usb speaker cable the system it is asking for software (drivers) you have to install them to get your audio working properly. Check it out the box of your new speakers for a installation CD.

    You can also verify:

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