$4 Fix to Door Handle Micro Switch Woes
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Cadillac STS Forum - 2005 through 2012 Discussion, $4 Fix to Door Handle Micro Switch Woes in Past Cadillac Vehicle Discussion; Here's how you can replace those pesky switches: Follow the handle removal steps in this thread: http://www.cadillacforums.com/forums...ement-how.html If you determine ...
  1. #1
    ottawagta is offline Cadillac Owners Member
    Automobile(s): 2006 STS
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    $4 Fix to Door Handle Micro Switch Woes

    Here's how you can replace those pesky switches:

    Follow the handle removal steps in this thread: http://www.cadillacforums.com/forums...ement-how.html

    If you determine it is the microswitches, order a bunch of these (2/door, and get some spares): http://canada.newark.com/honeywell-s...35?Ntt=86r9335

    Remove the microswitch harness from the handle. With a fine screwdriver, remove the potting the bottom of the switches. Draw a diagram of how the wiring looks, and switches are placed in the holder. Once you have removed enough potting, the switches can be pushed out of the holder by pushing up on the bottom (wire side of the switches). Unsolder the wires from the switches (you made the diagram, right?)

    Here is a pic with the holder, switches removed, with new switch.
    http://www.cadillacforums.com/forums...1&d=1365120053


    Insert the new switches into the housing. They will only fit in one direction, and their body should be flush with the housing when in completely:

    http://www.cadillacforums.com/forums...1&d=1365120362

    Now, solder the wires accoring to your diagram.

    http://www.cadillacforums.com/forums...1&d=1365120941

    Lastly put potting compound on the connections. Do not use silicone as some kinds can damage the connections due to acid released during the cure. My low tech potting compound was a hot glue stick (it seems to work fine). It may be beneficial to first place the switch harness back into the handle assembly, to check how the wires exiting the switch housing relate to the handle body before potting (otherwise the wires may not clear the handle body).

    Installation is reverse to removal, make sure to read the note about this in the removal instructions posted at the start of this thread. Grease all plastic to plastic interfaces, it makes reassembly easier.

    Enjoy your work!
    Attached Images

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  3. #2
    mreichel481980 is offline Cadillac Owners Member
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    Re: $4 Fix to Door Handle Micro Switch Woes

    Dear Sir.

    Thank you very much for your great work. I had this trouble too. Your instuction save a lot of my time and about $90 for the new part from Cadillac. Thank you again.

  4. #3
    cpetro45 is offline Cadillac Owners Member
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    Re: $4 Fix to Door Handle Micro Switch Woes

    Yeah, thanks for this. I'm chasing down this issue now to. Both front doors, 05 sts, a real pleasure. They were intermittent with the weather, now neither have functioned for a few days. I'm concerned because it seems like neither antenna is working since the back doors don't unlock when I pull the front handles.

  5. #4
    russ1947 is offline Cadillac Owners Member
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    Re: $4 Fix to Door Handle Micro Switch Woes

    I did some research last night and came up with a switch that already has the wires attached. All you need to do is splice them in.

    switch.jpg

    ZD30SA01EA
    Switch Snap Action N.O./N.C.
    SPDT Pin Plunger PC Pins 3A
    125VAC 1.27N Screw Mount

    http://www.onlinecomponents.com/hone...tml?p=25257439
    mckellyb, nwjones18 and STSV8 like this.

  6. #5
    SuperDaveSTS is offline Cadillac Owners Fanatic
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    Re: $4 Fix to Door Handle Micro Switch Woes

    ^^^Looks like theres a minimum amount you have to order for these^^^

  7. #6
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: $4 Fix to Door Handle Micro Switch Woes

    Not so. I ordered a half dozen from Newark USA with no problem.
    Don't mess with Binky Bear!


  8. #7
    SuperDaveSTS is offline Cadillac Owners Fanatic
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    Re: $4 Fix to Door Handle Micro Switch Woes

    Newark USA?

  9. #8
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: $4 Fix to Door Handle Micro Switch Woes

    Don't mess with Binky Bear!


  10. #9
    SuperDaveSTS is offline Cadillac Owners Fanatic
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    Re: $4 Fix to Door Handle Micro Switch Woes

    How did you order these, it still wont let me because of the minimum is 1000 lol

  11. #10
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: $4 Fix to Door Handle Micro Switch Woes

    I'm looking at switches in an envelope.
    The tag says:
    MFR# ZD30S20A01
    SKU: 86R9335
    QTY: 6


    WWW.newark.com

    I've been ordering from Newark for years and have never been jerked around on minimum qtys.

    ------------------------------------------------------

    Go to WWW.Newark.com

    Right at the top of the page is a search box where you enter keyword/part#

    Type in: 86R9335

    You'll go right to a page where they show they have 551 in stock at $1.57 each.
    I don't know what else I can tell you.

    Cheers!
    RazorBacker1 likes this.
    Don't mess with Binky Bear!


  12. #11
    stevenriz is offline Cadillac Owners Fanatic
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    Re: $4 Fix to Door Handle Micro Switch Woes

    https://octopart.com/zd30sa01ea-honeywell-12338811 will sell small quantities as well but there is a minimum order surcharge if you don't buy enough stuff. Is newark the same?

    ----------

    question.....

    what are some other uses for these micro switches? These millions of switches aren't all going into Cadillac front doors....

  13. #12
    dkozloski's Avatar
    dkozloski is offline Cadillac Owners 10000+ Posts
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    Re: $4 Fix to Door Handle Micro Switch Woes

    This is a generic item that has hundreds of applications. Ice machines, coffee pots, canning machinery, robots, you name it.
    Don't mess with Binky Bear!


  14. #13
    SuperDaveSTS is offline Cadillac Owners Fanatic
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    Re: $4 Fix to Door Handle Micro Switch Woes

    Holy crap, I actually was able to order 6 of them, AWESOME!!!

  15. #14
    SuperDaveSTS is offline Cadillac Owners Fanatic
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    Just replaced my pass side micro switchs, everything works like a charm now.

  16. #15
    RazorBacker1's Avatar
    RazorBacker1 is offline Cadillac Owners Member
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    Re: $4 Fix to Door Handle Micro Switch Woes

    just ordered my half dozen switches too!! Thanks !

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