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Technical ignition switch

Discussion in 'Traditional Hot Rods' started by glenn velardi, Aug 12, 2020.

  1. glenn velardi
    Joined: Jul 9, 2018
    Posts: 71

    glenn velardi

    hey ya'll once again i need some advice on my 1951 chevy deluxe.
    i'm replacing a ignition switch housing/key. on the back are 3 terminals on both the old and the new. the old one had fallen apart and there are no marks on either switch to indicate where they go.
    it is a 3 position switch and from what i can gather so far, its off, start, off but able to remove key and restart. so my issue is what wire goes to what terminal? does hot from the start button go to first position and if so, what terminal is first position?


    thanks
     
  2. squirrel
    Joined: Sep 23, 2004
    Posts: 46,711

    squirrel
    Member

    might look close and see if there are letters, like S, B, I
     
    Just Gary and firstinsteele like this.
  3. donsz
    Joined: Nov 23, 2010
    Posts: 211

    donsz
    Member

  4. Jokester
    Joined: Jan 29, 2005
    Posts: 431

    Jokester
    Member

    Pics of both switches would help. Might help to have a continuity tester too.

    .bjb
     

  5. glenn velardi
    Joined: Jul 9, 2018
    Posts: 71

    glenn velardi

    thanks for the responses.
    no letters for sure squirrel, i think the diagram will help. i guess my confusion is that 1 wire, from the start button, is gonna be the hot right? so should that goes to the key off and then when the key is to start, the other 2 terminals on the switch get hot?
     
  6. glenn velardi
    Joined: Jul 9, 2018
    Posts: 71

    glenn velardi

    got it figured thanks for the help.
     
  7. Mr48chev
    Joined: Dec 28, 2007
    Posts: 27,352

    Mr48chev
    ALLIANCE MEMBER

    Here is the wiring diagram for your 51. Sorry about the sideways thing, I tried to flip it and it didn't want to work .
    You can open it and save it to your computer and expand it to see it better though.
     

    Attached Files:

  8. glenn velardi
    Joined: Jul 9, 2018
    Posts: 71

    glenn velardi

    thanks for all the help. turned out the solenoid was rewired for 12 volt and not 6. switched it and she fired!
     

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