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Technical Vintage SW dash lights - a question...

Discussion in 'Traditional Hot Rods' started by Ryan, Sep 10, 2014.

  1. Ryan
    Joined: Jan 2, 1995
    Posts: 22,862

    Ryan
    ADMINISTRATOR
    Staff Member

    What is the appropriate way to terminate a wire on old SW dash lights? Did they just wrap and solder or was there some kind of trick terminal they used for these? Anyone know?

    ImageUploadedByH.A.M.B.1410400328.691807.jpg


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  2. Torana68
    Joined: Jan 28, 2008
    Posts: 1,445

    Torana68
    ALLIANCE MEMBER
    from Australia

    I got no reall idea but Ive rewired a couple of vintage cars.... Id use a soldered on round terminal , attached with a screw and nut, older cars used a slip over rubber insulator over the soldered part of the terminal but I used black heat shrink, it looked ok.
     
  3. Ryan
    Joined: Jan 2, 1995
    Posts: 22,862

    Ryan
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    That makes total sense... and makes me feel stupid... I imagine that would look sanitary enough.

    Thanks!
     
  4. Torana68
    Joined: Jan 28, 2008
    Posts: 1,445

    Torana68
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    from Australia

    pfft stupid , there are probably a ton of ways to do it............thats just one

    (translation, if needed, for those "over there" no such thing as stupid)
     
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  5. Muttley
    Joined: Nov 30, 2003
    Posts: 18,501

    Muttley
    Member

    That's the best (and easiest) way to do it. I'd suggest non-insulated crimp on terminals and shrink tube though, soldering is a pain. A properly done crimp is stronger and a better connection.
     
  6. Ryan
    Joined: Jan 2, 1995
    Posts: 22,862

    Ryan
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    So, I couldn't find any #2 hardware locally and I'm too impatient to wait for snail mail... So I soldered... And cleaned it up with some shrink tubing. I think it looks good enough.
     

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  7. lothiandon1940
    Joined: May 24, 2007
    Posts: 32,441

    lothiandon1940
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  8. Yep, that's how we did them on old wireless equipment-wrap and solder. We didn't have shrink tube in those days, so it was just left bare.
     
  9. deucetruck
    Joined: Jan 8, 2010
    Posts: 763

    deucetruck
    Member
    from Missouri

    I'd take that. Clean look....
     
  10. Looks good to me Ryan. Thanks Bruce.
     
  11. john worden
    Joined: Nov 14, 2007
    Posts: 1,836

    john worden
    Member
    from iowa

    I need schooling on these lights because I have never seen them before. Were they intended to be indicator lights or to illuminate gauges? It looks like rotating the bezel turns them on.
    Thanks.
     
  12. Ryan
    Joined: Jan 2, 1995
    Posts: 22,862

    Ryan
    ADMINISTRATOR
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    They are pilot lights... the bezel is just there so you can remove the lens. It's not a switched light... Here's some **** to get ya straight:

    2.jpg 3.jpg 4.jpg gothard.jpg
     
  13. alchemy
    Joined: Sep 27, 2002
    Posts: 22,718

    alchemy
    Member

    Those lights are cheap (50 cents each)! Can you get me address for Gothard?
     
  14. Ryan
    Joined: Jan 2, 1995
    Posts: 22,862

    Ryan
    ADMINISTRATOR
    Staff Member

    oh... and here's what they look like mounted:

    [​IMG]
     
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  15. ct1932ford
    Joined: Dec 3, 2010
    Posts: 13,265

    ct1932ford
    ALLIANCE MEMBER

    Nice work for an Administrator!:rolleyes:
     
  16. 5window
    Joined: Jan 29, 2005
    Posts: 9,991

    5window
    Member

    The thing with soldering is that the joint can be brittle and it won't have any flex with the vibrations of your car and could break. Maybe not a problem, but one reason solderless terminals are now popular (along, of course, with the fact that soldering is a talent and requires some skill and patience).
     
  17. Fabber McGee
    Joined: Nov 22, 2013
    Posts: 1,455

    Fabber McGee
    Member

    That makes a fine lookin' panel.
     
  18. I think you did it correctly since technically those are soldering eyelets. Think how bulky your finished product would look like with two round terminals and two screws and nuts added. Vibration is going to break the filament in the bulb long before your soldering joint fails.

    As an extra tip you can tin the eyelet first with good quality eutectic solder, wrap and then solder. This will help give you a nice shiny uncrystallized joint that is not prone to failure. If you want to go the extra mile you can even clean off the corrosive flux with solvent and Q-tip and then seal with clear nail polish.
     
  19. ago
    Joined: Oct 12, 2005
    Posts: 2,198

    ago
    Member
    from pgh. pa.

    I like the look of jeweled indicator lights. Old school. Years past they probably were left bare, as long as nothing banging around touching them .



    Ago
     
  20. tfeverfred
    Joined: Nov 11, 2006
    Posts: 15,788

    tfeverfred
    Member Emeritus

  21. You did it the best way possible - the way we do aircraft connections. Any added weight such as a crimp on or screw adds leverage to the vibration making the failure of the terminal itself a greater risk. The heat shrink not only provides safety from shorts and corrosion but also performs a vibration dampening effect upon the attached wiring lessening the possibility of terminal breakage. I fly behind a lot of these connections.

    BTW that's about the COOLEST DASH I could imagine.
    Chuck
     
    Last edited: Sep 12, 2014
  22. john worden
    Joined: Nov 14, 2007
    Posts: 1,836

    john worden
    Member
    from iowa

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