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Am Radio Interference

GLYN JONES
GLYN JONES
in Ford Focus Club

Featured Replies

FORD FOCUS TDci 2007 6000CD

INTERFERENCE ON AM BAND RADIO

WHEN STOPED OK

WHEN ENGIN RUNNING TERIBLE

DOES NOT GET ANY WORSE IF YOU REV

TURN OF ENGINE AND INTERFERENCE STILL THERE FOR 30 SECONDS SOUND NOW LIKE OLD HIGH SPEED TELEX, RADIO HAM OR COMPUTER

AERAL IS GROUNDING OK

AERAL PLUG IS IN OK

CANNOT SEE EARTHING POINT BEHIND RADIO

HELP

  • Quote


    The AM frequency is bad at the best of times, so dont look at it as being an issue with your car. the engine running or not will not have any impact on your receiving of the signal.

    Are you still using an original aerial, if not and you are using a replacement this will degrade the quality slightly.

  • Quote

    Most Cortinas had this problem in the 1970's.

  • Quote
    • Author

    The AM frequency is bad at the best of times, so dont look at it as being an issue with your car. the engine running or not will not have any impact on your receiving of the signal.

    Are you still using an original aerial, if not and you are using a replacement this will degrade the quality slightly.

    The AM signal perfect when engine not running

    New aerial slight improvement on old original aerial being longer

    When engine is running mush just blanks out the signal

    Earth on aerial good

    I hear that ford clean the earthing point at the back of the dash

    Cannot see it without taking dash apart, I will not take dash apart

  • Quote

    I never really had a good signal on AM, engine on or off, I thought that was the norm...

    ...Hopefully you can get it, I suppose the only thing it could be is the electrical interference from all the parts when they are started, maybe an electromagnetic field from the alternator is causing the problem?

  • Quote

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