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Old 12-03-2010, 09:04 PM
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Originally Posted by rwidman View Post
The stereo may be drawing enough power to cause a voltage drop in the power wires (both positive and negative). This could be because the circuit is too long for the wire gauge and the amount of power being drawn by the stereo
I'd put my money on the wire gauge. The factory power supply for the stereo is often too thin to support the draw of an upgraded system. It could be anything but this is where I'd start.
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Old 12-04-2010, 05:24 AM
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Just installed a Kenwood stereo and it shuts off when turn the volume up past 60%. The speakers are a couple of West Marine cheapo's. How do I fix this? Do I need a thicker power wire? When it comes to electronics I'm kind of clueless.
What does it sound like at 60%? Distorted as hell? Just because the knob will go higher doesn't mean you get more power from the unit.

By your description ("a Kenwood stereo"), I would assume an off the shelf, standard one piece combination receiver, CD player, and four channel amplifier. You are only using two of the channels. You have no more than 90 watts of power available (for two channels) and even that will be at a very high distortion.

If you just want more volume, the first thing you should do is install another pair of speakers connected to the other amplifier outputs.

I suspect that if you run the stereo at full power for very long, you will damage your "cheapo" speakers anyway.
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Old 12-05-2010, 07:35 PM
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I didn't read the whole thread. Did anyone mention to monitor the 12v. at the units power wires? MEASURE AT THE UNITS OWN POWER AND GROUND WIRES. If the voltage drops (as the unit draws more current) then that is your problem, look for a green/corroded power or ground connection.
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Old 12-05-2010, 07:53 PM
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I'm guessing cheap stereo turned up to where it overloads and cuts out. Get a separate (high quality) amp if you need it louder.
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Old 12-06-2010, 03:28 PM
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I'm guessing cheap stereo turned up to where it overloads and cuts out. Get a separate (high quality) amp if you need it louder.

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Old 12-06-2010, 07:03 PM
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Originally Posted by whonickjones84 View Post
Just installed a Kenwood stereo and it shuts off when turn the volume up past 60%. The speakers are a couple of West Marine cheapo's. How do I fix this? Do I need a thicker power wire? When it comes to electronics I'm kind of clueless.
Had the same problem 3 years ago with the same Kenwood. It was the groung wire, find a better ground and ul be set.
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Old 12-07-2010, 05:07 AM
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Originally Posted by Formula370ss View Post
Had the same problem 3 years ago with the same Kenwood. It was the groung wire, find a better ground and ul be set.

That has been my experience as well. Double check that it is properly grounded.
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Old 12-07-2010, 05:12 AM
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the original poster hasnt been back to comment in a month and a half, and this thread is still going on? at this point it seems like a waste of time to help someone that won't be back to let us know what fixed his problem.
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Old 12-07-2010, 05:32 AM
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Originally Posted by bigbender View Post
That has been my experience as well. Double check that it is properly grounded.
The ground wire is electrically the same inportance as the power wire. It's a series circuit - battery positive to radio to battery negative. If he installed it according to the instructions, it should work as designed. If not, it won't.
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