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Hot Rods speedometer cable actuated switch.whats it for

Discussion in 'The Hokey Ass Message Board' started by Randy Routt, Dec 21, 2015.

  1. Randy Routt
    Joined: Jan 13, 2013
    Posts: 614

    Randy Routt
    Member

    Found this in a bunch of old parts from a closed down dealership. Predominately Chryslers and International. It has 12V and L56 on one stamping, and3.7635 md also stamped or rather cast into it. Don't know if it's a speed controlled switch for a overdrive or a switch to shift a fluid drive trans like in the early 50s.
    Can anyone tell me car parts and saab books 025.JPG what it is?
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 60,068

    squirrel
    Member

    The fluid drive transmissions had a governor screwed into the housing, not a speedo cable attached gizmo like that.

    I've never seen one of these. Interesting.
     
  3. BJR
    Joined: Mar 11, 2005
    Posts: 11,413

    BJR
    Member

    Speed governor for a delivery or commercial truck?
     
  4. blue 49
    Joined: Dec 24, 2006
    Posts: 2,150

    blue 49
    Member
    from Iowa

    Possibly something to do with a speed governor on an International truck?

    Gary
     
  5. petew
    Joined: Jul 21, 2010
    Posts: 224

    petew
    Member
    from Mebane, NC

    I have one in an old 63 Volkswagen , when the car goes backwards it turns the back up light on . Go forward and it turns it off. This was a VW option since back up lights didn't become available until the mid to late 60's at which point there was a switch in the transaxle.
     
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  6. Randy Routt
    Joined: Jan 13, 2013
    Posts: 614

    Randy Routt
    Member

    That's possibly it. I think the dealership also handled a line of foreign cars also. Simca ,was it was sold to Chrysler in the late 60s
     
  7. metlmunchr
    Joined: Jan 16, 2010
    Posts: 877

    metlmunchr
    Member

    That could be it. I drove a school bus in high school in the late 60's. We had Fords, Chevys, and a couple Internationals. School buses in NC were governed at 35mph back then. The Chevys and Fords had carburetor based governors, and were all gutless. The Internationals didn't appear to have a governed type carb, or at least not one that looked like the ones on the Fords or Chevys, and they had full power from zero up to the governed speed. When they got to 35mph, the power went flat instantly as if something had turned a switch on or off.
     
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  8. Vimtage Iron
    Joined: Feb 28, 2010
    Posts: 561

    Vimtage Iron
    Member

    1 1/2 and 2 ton trucks with 2 speed rear axles, if they had the electric shift, used a device like that to keep the speedo at the right reading so it read the correct MPH.
     
  9. flyboy89
    Joined: Oct 6, 2010
    Posts: 451

    flyboy89
    Member
    from So. Cal.

    We Have A winner! V.I. got it right.
     

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