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  #1  
Old 11-19-1999, 01:58 AM
kevinjh
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Hello,

I recently changed my head unit and installed a changer. Now whenever I switch on the unit there's a whining sound and this sound increases when I step on the gas progressively. When the unit is on with the car off, there's no whining sound. What could possibly cause this. I've had some people recommending to install a suppressor but this cuts the high freq.

Thanks
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  #2  
Old 11-19-1999, 04:41 AM
Adamou
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We've just been discussing this in a previous post

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  #3  
Old 11-19-1999, 11:23 AM
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yal yal is offline
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Join Date: Oct 1999
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Chances are one of the units has a bad ground. My guess would be the changer.

Hope this helps.
Yal
88 230e (W124)
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  #4  
Old 11-19-1999, 01:49 PM
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It might be bad resistor tips on your spark plug wires.

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  #5  
Old 11-19-1999, 08:16 PM
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Most of the time when I have seen this, the head unit is not using the proper wires for power or there is a sheilding problem. The other two things that I have seen alot of are bad alternators and leaky control units.

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  #6  
Old 11-23-1999, 10:18 PM
kevinjh
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Hi

How can bad resistors on the cable cause this too happen. Would yu suggest to re do the wiring and seperate the power and speaker cable?
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  #7  
Old 11-25-1999, 06:52 AM
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Neat and tidy wiring will never hurt !

Try powering your radio from an isolated 12v source (like a another battery). If there is no noise then, its from the power cables. If there is still noise, then you could have a speaker wire shorting out somewhere. Also check your changer is grounded properly!

Brian


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