Problems with Pioneer AVH-501EX

Discussion in 'Gen 2 Prius Audio and Electronics' started by donzoh1, Apr 5, 2022.

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  1. donzoh1

    donzoh1 Active Member

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    Jan 19, 2019
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    Lenexa, KS
    Vehicle:
    2004 Prius
    Model:
    Five
    My 2007 has an after market Pioneer AVH=501EX. I didn't install it. I have 2 basic problems. First, the AM band is pretty much unusable due to static/interference possibly with the cars's electrical system. Second, it will not connect with Bluetooth because it thinks the parking brake is not on. Are there any pins or wires that I can jump to defeat this feature or can the radio be programmed to eliminate it. I don't know whether the brake switch works but the parking brake does work correctly.
     
    #1 donzoh1, Apr 5, 2022
  2. Taylor8682

    Taylor8682 New Member

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    2004 Prius
    Model:
    Two
    What wire color is the parking brake from the stock radio?

    Posted via the PriusChat mobile app.
     
    #2 Taylor8682, Apr 21, 2022
  3. ColoradoCrow

    ColoradoCrow Active Member

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    2008 Prius
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    IV
    My wife has a Pioneer unit. IIRC the purple wire needs to be connected. There is a new $9.99 in line resitor you can buy to fool the radio into thinking the parking brake is on. Its called a parking brake bypass.
     
    #3 ColoradoCrow, May 28, 2022
  4. ColoradoCrow

    ColoradoCrow Active Member

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    Actually It is LIGHT GREEN. Sorry for the mistake
     
    #4 ColoradoCrow, Jun 23, 2022
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