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AM Radio Interference

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by MarinJohn, Aug 21, 2006.

  1. dubit

    dubit Senior Member

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    Heck, I'd have suspected spark plug wires only because I remember the old AM days and hearing that interference on the radio.
     
  2. edthefox5

    edthefox5 Senior Member

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    That’s why there’s a filter in the engine bay.
     
  3. KK6PD

    KK6PD _ . _ . / _ _ . _

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    Not in a GEN II. It's actually a separate module!!
     
  4. edthefox5

    edthefox5 Senior Member

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    Yep antenna amp A23 is mounted right behind the radio.

    There's also a Ignition filter N1 that decouples the B+ to all 4 cops in the engine bay. Without that filter I wold imagine the AM would be unusable. You would hear static noise in time with the engine speed. Its mounted on the valve cover area on the drivers side. One side is grounded the other side has a black wire.