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  1. I

    Engine noise on Cobra 75wxst in Jeep Wrangler

    Yes, it increases and decreases with the RPMs. I have no idea what or how to check where it is coming from. Most of my searching leads me to believe it is a ground loop. But it could be anything. The antenna is mounted on the rear passenger side. What is the best way to start the diagnosis?
  2. I

    Engine noise on Cobra 75wxst in Jeep Wrangler

    Hi all, I'm new here and to CBs. I installed my radio and can't seem to get rid of the engine noise. I've tried different ground location, noise filters, and nothing seems to help. Anyone have any ideas on how to fix this. I installed + to battery and - to body. The antenna is Firestik II and...
  3. I

    Engine noise on Cobra 75wxst in Jeep Wrangler

    Hi all, I'm new here and to CBs. I installed my radio and can't seem to get rid of the engine noise. I've tried different ground location, noise filters, and nothing seems to help. Anyone have any ideas on how to fix this. I installed + to battery and - to body. The antenna is Firestik II and...
  4. I

    Any help would be appreciated!

    I installed a Cobra 75wxst in a jeep wrangler. I have wonderful engine noise through the speaker. I've tried noise filters, moving my grounds, moving power and coax to different points away from speakers and other wires. I'm at a loss. Anyone have suggestions???
  5. I

    Building a simple Alternator whine / ignition filter

    It didn't help me I am getting frustrated with this! I installed a cobra 75 wx st. Engine noise is very annoying! Does anyone have any other suggestions I can try??? Any help would be appreciated!