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Technical Shoebox overdrive fails after stop go driving??

Discussion in 'Traditional Customs' started by SanDiegoJoe, Sep 12, 2013.

  1. SanDiegoJoe
    Joined: Apr 18, 2004
    Posts: 3,519

    SanDiegoJoe
    Member

    I still have the stock 239 Flathead and 3 speed with overdrive in my 1950 Custom Coupe. Lately, the overdrive has been failing on me when I spend time in stop and go traffic or even just driving on surface streets with lots of stop signs. The car still has the 6 volt system, too.

    Any ideas where to start looking?

    thanks!
    - Joe
     
  2. BLUDICE
    Joined: Jun 23, 2006
    Posts: 1,476

    BLUDICE
    Member

    It's usually a wiring issue - GROUNDS!! Check the points in the relay, and the solenoid. BUT ready check all the wiring contacts. You might also pull the solenoid and check to see if the plunger moves ok - it may be dirty and sticking. If you did or going to do any rewiring - all the overdrive wires should be 10 gauge, or it will act up like it's doing to you now - worst when the lights are on - good luck.
     
  3. BLUDICE
    Joined: Jun 23, 2006
    Posts: 1,476

    BLUDICE
    Member

  4. SanDiegoJoe
    Joined: Apr 18, 2004
    Posts: 3,519

    SanDiegoJoe
    Member

    Thanks so much for the advice! The plunger moves ok, because when I first start out, the overdrive kicks in just fine.

    Yep - time to re-wire all the connections.

    thanks
     

  5. roddinron
    Joined: May 24, 2006
    Posts: 2,677

    roddinron
    Member

    Might get a better response if you post this in the general discussion group.
     

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