Dimming-to-off interior courtesy lamps?

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Electrical Technical Information Discussion, Dimming-to-off interior courtesy lamps? in Item Specific Cadillac Discussion; Is there any way I can mod the interior courtesy lamps to slowly dim and turn off after the door ...
  1. #1
    maeng9981's Avatar
    maeng9981 is offline Cadillac Owners Connoisseur
    Automobile(s): 14 SRX, 00 SLS, 99 Deville 50-year Anniversary
    Join Date
    Mar 2009
    Dallas, TX

    Dimming-to-off interior courtesy lamps?

    Is there any way I can mod the interior courtesy lamps to slowly dim and turn off after the door is shut?

    As far as I can tell from the schematics the manual lamp operating switch and door courtesy lights are controlled by different relays. Adding a capacitor or some sort of device would do the work? I am just having lots of ideas here.

    Always thought that the dimming lights are cool.

    Any help would be appreciated.

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  3. #2
    Wendy-J is offline Cadillac Owners Member
    Automobile(s): 1993 Cadillac Sedan DeVille
    Join Date
    Jul 2011
    Somewhere in the ether

    Re: Dimming-to-off interior courtesy lamps?

    Capacitors are devices that charge up on a ramp curve, then discharge all at once. Think about the charging circuits on a photo-strobe or a stun-gun. Those are capacitive discharge devices. You're talking about adding resistance until off. I'd have to think on it and I have more pressing concerns at the moment -- like getting back out in the heat and putting my dimmer switch in. Gah!

    Sorry, can't give you the answer you want.


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