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Hands Free Phone Static

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Old Feb 23, 2016 | 08:53 PM
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Hands Free Phone Static

I have a Pioneer head unit and am using this iSimple hands free calling AUX cable for my Samsung phone. It seems to work well and I have no static on my end, but the person I am talking to has tons of static. I believe it is alternator noise. They say it increases with speed or throttle. Has anyone else experienced a similar issue?

iSimple CallJax 3.5mm Audio Cable Black ISMJ33 - Best Buy
 
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Old Feb 23, 2016 | 09:41 PM
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Verify the radio suppression capacitor on the coil is still connected. If it is, check it with a meter than can measure capacitance.
 
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Old Feb 24, 2016 | 02:13 PM
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I'll look at it an measure it. Do you know what the value should be?
 
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Old Feb 24, 2016 | 08:20 PM
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Well, unfortunately neither our Fluke or Radio Shack meter are able to measure capacitance.
 
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Old Feb 24, 2016 | 08:37 PM
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Ignition interference is usually a rhythmic popping right in time with ignition pulses, right?

Alternator noise is usually a high-frequency squeal that changes with engine speed.
 
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Old Feb 24, 2016 | 09:16 PM
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Your phone and stereo, both of them do not offer Bluetooth connection?
 
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Old Feb 25, 2016 | 12:43 AM
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The phone does, but the stereo does not have that feature.

I checked ohms on the capacitor. One way reads 11 ohms and reversing the leads reads 76 ohms.
 
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Old Feb 25, 2016 | 05:59 AM
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Originally Posted by TexasGuy001
I'll look at it an measure it. Do you know what the value should be?
Good question. I do not have a vehicle with distributor ignition anymore to check.
 
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Old Feb 25, 2016 | 06:00 AM
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Originally Posted by TexasGuy001
The phone does, but the stereo does not have that feature.

I checked ohms on the capacitor. One way reads 11 ohms and reversing the leads reads 76 ohms.
Capacitors are rated in farads, ohms are of no value here.
 
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Old Feb 25, 2016 | 05:13 PM
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I was told by an electrical engineer and an electrical technician that you can test a capacitor this way. I've been trying to find a friend with a meter than can measure capacitance and nobody seems to have one.
 
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Old Feb 25, 2016 | 05:16 PM
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Anyway, I guess I'll try replacing it. I don't seem to be able to find one at the parts store etc.
 
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Old Feb 25, 2016 | 05:51 PM
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See,

https://www.ifixit.com/Wiki/Troubles...ard_components
 
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Old Feb 25, 2016 | 05:51 PM
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Unplug the capacitor, see if it gets any worse. You could also try getting a reasonable 100-200 uFd capacitor rated for something above 12VDC (40V is common) then use some jumper leads to see if the noise goes away.

I did find a Ford part number: F6UZ-18832-AA
 
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