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How to troubleshoot radio antenna?

     
Old Jul 25, 2011 | 12:13 PM
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Hogger
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From: Lumberton, TX
2009 ML350, 2007 GL450, 1963 GMC, BMW 325i
How to troubleshoot radio antenna?
Decided I would see if I can narrow down the issue with bad reception.

I pulled the panel of the left pillar, and found this.
Is there a way to test the antenna parts with a volt meter?
Which part typically goes bad, is it A or B in the picture?

Has anyone ever tried an aftermarket under-dash antenna that bypasses all this stuff?
Attached Thumbnails How to troubleshoot radio antenna?-c230-radio-edit.jpg  
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Old Aug 19, 2011 | 07:26 PM
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RX729
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From: Born and Raised in HollyWeird 90027
W203 W210 SW20 FC3S TBSS
I'm having the same issue.

I hope it's a simple fix.
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