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1984 400i Radio Question

Discussion in '365 GT4 2+2/400/412' started by oldcoin, Oct 21, 2006.

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  1. oldcoin

    oldcoin Formula Junior

    May 1, 2006
    258
    Reno NV
    Full Name:
    Tony Mitchell
    #1 oldcoin, Oct 21, 2006
    On my 1984 400i, the radio is always powered. The radio on my car is wired so that it can always be turned on whether the ignition switch is on or off. This leads to a situation where I go for a drive, turn the radio on and when getting back into the garage, I forget to turn it off leading to of course, a dead battery.

    Does every 400I do this or is my car miswired

    Thanks, Tony
     
  2. Brennan

    Brennan Karting

    Apr 28, 2006
    118
    San Luis Obispo, CA
    Full Name:
    Brennan Johnson
    #2 Brennan, Oct 21, 2006
    My '84 is the same way. What are you listening to the radio for though? The best music is coming from the tail pipes. :)

    Brennan

     
  3. flaviaman

    flaviaman Formula Junior

    Jul 26, 2005
    318
    Vernonia, OR
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    Gregg
    #3 flaviaman, Oct 21, 2006
    Ferrari's have been traditionally wired so the radio is always "hot".
     
  4. Ashman

    Ashman Three Time F1 World Champ
    Owner Silver Subscribed

    Sep 5, 2002
    33,264
    MA
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    John
    #4 Ashman, Oct 21, 2006
    My radio (83 400i) is always on if the switch is on, but its probably been a couple of years since I've used it. I do cycle the antenna up and down regularly to make sure that the contacts are clean and it still works.

    Radio? Smadio! Listen to the V12!!!

    John
     
  5. bjwhite

    bjwhite F1 Rookie
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    Mar 17, 2006
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    Brian White
    #5 bjwhite, Oct 21, 2006
    Volkswagens and Audis used to be radios always hot. Newer Audis (not sure about Volkswagens) radios are also hot when the ignition is off, however they automatically turn off in 1 hour.

    I like the feature..I wish more cars did that. I remember my Corrado was the first year when Volkswagen radios turned off with the car, I re-wired it always hot. I like it.
     
  6. moserpe

    moserpe Karting

    Jul 20, 2006
    137
    Switzerland
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    Peter Moser
    #6 moserpe, Oct 24, 2006
    According to the wiring diagramme, the radio is always powered. In my 400i (1984) someone has replaced the original radio by a Becker Mexico from the late 90es and has wired it also for permanent power although it (the radio) is designed for a permanent auxiliary supply (for the antitheft system) and the main switched power supply (with ignition on). The result was a permanent power drain of 700 mW which has emptied the battery in a couple of days. The pre-owner has cured it with a battery main switch!
    After re-wiring the radio, it is now all ok. The Becker can be turned on for one hour with the ignition off. The disadvantage is that whenever the engine is stopped (we are supposed to stop the engine e.g. in front of red traffic lights or railway crossings) I must push the ON butten of the radio immediately to keep it going.

    Regards

    Peter
     
  7. KraigG

    KraigG Formula 3

    May 25, 2006
    1,501
    Willow Springs
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    Kraig
    #7 KraigG, Oct 25, 2006
    On my 82, the aftermarket Sony radio turns off when the car is turned off.
     
  8. Dr Tommy Cosgrove

    Dr Tommy Cosgrove Three Time F1 World Champ
    Owner Rossa Subscribed

    May 4, 2001
    36,436
    Birmingham, AL
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    Tommy
    #8 Dr Tommy Cosgrove, Oct 25, 2006
    My 80 VW Sciroccos (I have 2) are always hot.
     

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