Weird switch, what is it for? | Page 2 | FerrariChat

Weird switch, what is it for?

Discussion in '348/355' started by peterdavid911, Jul 20, 2014.

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  1. Wade

    Wade Three Time F1 World Champ
    Owner

    Mar 31, 2006
    32,793
    East Central, FL
    Full Name:
    Wade O.
    #26 Wade, Jul 20, 2014
    Last edited by a moderator: Sep 7, 2017
    In my 1990 ts, it's blank, with no "switching" action.

    In the wiring diagram (fig 7) it's shown as an "Available Switch" (item 165).
    .
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  2. harleyx49

    harleyx49 Karting

    Jun 26, 2013
    122
    Hutchinson, MN
    Full Name:
    Mike
    #27 harleyx49, Jul 20, 2014
    Last edited by a moderator: Sep 7, 2017

    Wade I just was going to also post the same wiring diagram and listed as an Available Switch in my 1991 348 TB.
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  3. Triple Black

    Triple Black Karting

    Feb 8, 2014
    217
    Millington TN
    Full Name:
    David S
    Sun screen spray applicator for spiders only.
     
  4. 97 Spider

    97 Spider Formula 3

    Dec 15, 2012
    2,241
    Texas
    Full Name:
    Brian
    Mines a US car with that image on the button. ?
     
  5. Wade

    Wade Three Time F1 World Champ
    Owner

    Mar 31, 2006
    32,793
    East Central, FL
    Full Name:
    Wade O.
    Or hair gel, although the button is mounted upside down (recall!).
     
  6. ClydeM

    ClydeM F1 World Champ
    Owner Rossa Subscribed

    Nov 4, 2003
    12,093
    Wayne, NJ
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    Clyde E. McMurdy
    Son-of-a-gun. YES, it does work! Key in or out. I never noticed or used that button before.


    Now, my dome light is a little flaky. Doesn't always work when the door is open. But when it is cooperating, the button does work.
    Oh, and you need to position the dome light into the mode where it opens on door. Of course off, and the switch wont work and on...well you can't tell :)
     
  7. harleyx49

    harleyx49 Karting

    Jun 26, 2013
    122
    Hutchinson, MN
    Full Name:
    Mike
    Just tried out the switch in my 91 348TB.
    It does work, turns to Dome Light on and off when the door is closed.
     
  8. ff355b

    ff355b Karting

    Feb 26, 2010
    218
    We American market always get filtered version... why?
     
  9. peterdavid911

    peterdavid911 Formula 3

    Apr 9, 2012
    1,340
    London, UK
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    Peter
    I don't remember that the switch did anything when i tried it with the ignition on or off or with the doors open or closed either.

    Its at the dealers now getting a new remote alarm system fitted so I will take another look when i get it back.

    Funny how some cars have it and others don't, yet all the owners manuals say its unused (spare).

    Cheers.
     
  10. AceMaster

    AceMaster Three Time F1 World Champ

    Feb 6, 2009
    34,789
    Ontario, Canada
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    Mike
    This switch is for the interior light.

    Check the bulb and/or the fuse if your I interior light is not working after pressing this switch.
     
  11. peterdavid911

    peterdavid911 Formula 3

    Apr 9, 2012
    1,340
    London, UK
    Full Name:
    Peter
    Hi, both interior lights work when i turn them on by their relevant switches next to them on the roof (the courtesy light and the dome light).

    However the switch next to the shifter has no effect at all whether the ignition is on or off either. Strange but i have that switch:)
     
  12. AceMaster

    AceMaster Three Time F1 World Champ

    Feb 6, 2009
    34,789
    Ontario, Canada
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    Mike
    Correct, there are switches located right next to the lights, but this switch also controls an interior light. When I get home in a few days I will take a closer look and report back here.
     
  13. Kaivball

    Kaivball Three Time F1 World Champ
    Owner

    Jan 11, 2007
    35,997
    Kalifornia
    Dome light switch in my '92 348 US version.

    Kai
     
  14. PhilB

    PhilB Formula 3
    Owner Silver Subscribed

    Feb 17, 2004
    2,361
    Southern New Jersey Shore
    Full Name:
    Phil
    On the 355 the switch will appear to do nothing if the light is in (IIR) the center position. The overhead light can be moved into either of 3 positions, and depending upon the position the light fixture is in the bulb will illuminate either by the doors opening, or the switch, or always on (I think when the light faces the cabin).

    Check your owner's manual.
     
  15. peterdavid911

    peterdavid911 Formula 3

    Apr 9, 2012
    1,340
    London, UK
    Full Name:
    Peter
    The owners manual says it's unused, doesn't mention it functions at all.
    Thanks.
     
  16. mdsassaman

    mdsassaman Karting

    Nov 4, 2006
    246
    Reading, PA
    Full Name:
    Mike Sassaman
    I found my 94 TS SS with the upper rear interior light on one day last week and it was that switch. I pushed it when I was trying to get the #$*&^*%@ gas door to open the day before and hit it my mistake. Luckily I had the battery tender on so it didn't drain the battery.
     

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