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CB audio and EMI/RFI

Printed From: the12volt.com
Forum Name: Cellular and Communications
Forum Discription: Cell Phones, Hands Free Kits, Bluetooth, Two Way Radios, CBs, Pagers, Wireless Internet, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=71126
Printed Date: June 30, 2025 at 2:47 PM


Topic: CB audio and EMI/RFI

Posted By: Strykrincognito
Subject: CB audio and EMI/RFI
Date Posted: January 19, 2006 at 6:53 PM

Hey folks,
      I just installed a Cobra 75WXST (The all-in-the-mic units) into my '04 Mustang, and picked up one of those base loaded glass-mount cell lookalikes for the rear window and all, and I'm getting interference (significant) when any motor-driven aparatus runs on the car. It's not alternator noise, and I've already installed a line choke and tested that, with little to no effect. I figured that I'd drop a line here and see if anyone had any sugggestions.

FYI:  The CB's running off its own chassis ground, switched + off the fuse panel (and I've already swapped it once to no effect), and I've tuned the SWR on the antenna.

(BTW -- I know the antenna's crap, I have a Wilson500 that i just didn't want to install on the car at this time)

TIA!

--Si




Replies:

Posted By: electrostatic
Date Posted: January 19, 2006 at 7:40 PM
fuse boxes, ignition wiring are noisy. keep your wiring away from them. run your power wires to the battery.



Posted By: compudude86
Date Posted: March 29, 2006 at 4:24 PM
just a heads up, those glassmounts are pure garbage, youre better off with a mag mount.



Posted By: compudude86
Date Posted: March 29, 2006 at 4:25 PM
sorry, i didnt read that you already know posted_image


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