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Low pressure brake switch

Discussion in 'The Hokey Ass Message Board' started by butch27, Nov 10, 2012.

  1. butch27
    Joined: Dec 10, 2004
    Posts: 2,847

    butch27
    Member

    I'm looking for a low pressure hydraulic brake switch (20Lb.one) Found it at Ron Francis for $26.00 BUT shipping on that SMALL part is $12.00 to $15.00. This is insane.
     

  2. Part #S199 borg-warner get it a O'rilleys
     
  3. green53ford
    Joined: Mar 4, 2009
    Posts: 206

    green53ford
    Member
    from Wisconsin

    I think harley davidson has one that works well.
     

  4. butch27
    Joined: Dec 10, 2004
    Posts: 2,847

    butch27
    Member

    Thanks guys---Headed to O"Rileys.
     
  5. butch27
    Joined: Dec 10, 2004
    Posts: 2,847

    butch27
    Member

    O'Rilriley's didn't have it > I went to Borg-warner site and it is like $3.00. I don't think this is the LOW pressure one.??
     
  6. el Scotto
    Joined: Mar 3, 2004
    Posts: 4,699

    el Scotto
    Member
    from Tracy, CA

  7. Rusty O'Toole
    Joined: Sep 17, 2006
    Posts: 9,659

    Rusty O'Toole
    Member

  8. jmpowie
    Joined: Dec 2, 2006
    Posts: 202

    jmpowie
    Member

    I got mine off ebay
     
  9. rd martin
    Joined: Nov 14, 2006
    Posts: 2,463

    rd martin
    Member
    from indiana

    godman highperformance brake parts has them, i got one from them not exp. and worked great google them.
     
  10. Kaline
    Joined: Oct 17, 2004
    Posts: 27

    Kaline
    Member

    Volkswagen brake light switches use a metric M10 x 1.0mm thread and require 60-100lbs pressure to actuate. Most VWs get "lazy" brake lights when they convert to disc brakes as disc brakes require less force to stop (brake lights take longer to actuate).

    Jegs sells a 25lbs 1/8" NPT brake light switch for $17.99
     
  11. bobwop
    Joined: Jan 13, 2008
    Posts: 6,115

    bobwop
    Member
    from Arley, AL

    I get brake light switches at NAPA. MANY choices, just make them bring out the big book.
     
  12. shotrod
    Joined: May 14, 2005
    Posts: 90

    shotrod
    Member

    Exactly what bobwop said
     
  13. A Boner
    Joined: Dec 25, 2004
    Posts: 7,437

    A Boner
    Member

    Low pressure switches from car parts vendors are a waste of money and don't work right.....get one from a Harley dealer. The Harley pressure switches work with real light pedal pressure. But my first choice would be a mechanical switch!
     
  14. 1971BB427
    Joined: Mar 6, 2010
    Posts: 8,758

    1971BB427
    Member
    from Oregon

    Got this one from the local Autozone for about $6. Works great in my Falcon, and standard threads too. #F4805
     
  15. Cyclone
    Joined: Mar 31, 2006
    Posts: 222

    Cyclone
    Member
    from Sonoma, CA

    Had the same problem on our truck, had to really push the pedal harder than needed to actuate the lights. Bought the Harley #72023-51E "Made in USA" brakelite switch, works perfect. Light pressure turns them on now.
     
  16. The 39 guy
    Joined: Nov 5, 2010
    Posts: 3,534

    The 39 guy
    Member

    I took bobwop's advice and went to my local Napa store. I found an echlin SL113 switch 1/8" thread. The switch does not have a low pressure description with it but the type of vehicle it was designed for are all old 35-40 Gm and Chrysler vehicles and jeeps of 66-67 vintage (no power assist). I installed it in my 39 and so far it works fine with very little brake applied.

    I still think I am going to back this hydraulic switch up with mechanical one though wired in series. The people of today are looking for big brake lights, not the little ones our cars have on them. I want the brake light to come on any time I touch the pedal to give the following car as much warning of my slowing down as possible.
     
  17. The 39 guy
    Joined: Nov 5, 2010
    Posts: 3,534

    The 39 guy
    Member

    I stopped by the local bike shop this afternoon and asked the fella if he had any Harley brake switches. He had one so I bought it as a back up for the one I purchased from NAPA yesterday.

    The switch is from Drag Specialties part Number DS-272191. When I looked it up on their website I got a couple of numbers and two different pictures from the one I bought. One of them looks just like the SL113 switch I bought from NAPA so it looks like they may designed to work at similar pressures. The SL113 takes ring terminals while the Drag specialties switch takes spade terminals.
     

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