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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » Pin Wiring Diagram for Turn Signal Switch Harness.

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    8/21/2019 8:52 AM  #1

    TremendousWand
    I FYI 24-7

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    Registered: 5/16/2013
    Posts: 657

    Pin Wiring Diagram for Turn Signal Switch Harness.

    I'm replacing the turn signal switch harness on my 1966 Mustang.

    The replacement harness comes with the wires terminated but I need to reuse the connector.  I took off the connectors in order to remove the wiring harness and realized I didn't know which wire goes in which port.

    The harness has 8 wires.  2 go to 1 connector with 2 ports for the horn, then the other 6 control the turn signals and go into a little connector that has 6 ports.

    I'm trying to find this but I can't tell exactly which wire goes into what port.

     

    8/21/2019 9:40 AM  #2

    MS
    Forum Originator

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    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 12,294

    Re: Pin Wiring Diagram for Turn Signal Switch Harness.

    I wish you had asked BEFORE removing the wires. Too late for you, but my method is to simply cut the old wires about 2” from the connector block. Then pull the old switch out of the column. Then install new switch and wires. Remove one cut wire at a time, replacing it with the same color wire from the new switch. This makes it impossible to get wires in the wrong place.

    Money you enjoy wasting is NOT wasted money... unless your wife finds out.
     

    8/21/2019 3:56 PM  #3

    Dkralc
    FYI FORD Member

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    Registered: 12/26/2015
    Posts: 92

    Re: Pin Wiring Diagram for Turn Signal Switch Harness.

    Private Message me your email and I will send you a color coded diagram i used on my 66.

    Dennis

    www.quadmat.com  Butyl Sound Deadener & Insulation
     

    8/22/2019 3:48 PM  #4

    TremendousWand
    I FYI 24-7

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    Registered: 5/16/2013
    Posts: 657

    Re: Pin Wiring Diagram for Turn Signal Switch Harness.

    Dkralc wrote:

    Private Message me your email and I will send you a color coded diagram i used on my 66.

    Dennis

    Sure I'd appreciate that.

       •Thread Starter
     

    8/22/2019 3:50 PM  #5

    TremendousWand
    I FYI 24-7

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    Registered: 5/16/2013
    Posts: 657

    Re: Pin Wiring Diagram for Turn Signal Switch Harness.

    MS wrote:

    I wish you had asked BEFORE removing the wires. Too late for you, but my method is to simply cut the old wires about 2” from the connector block. Then pull the old switch out of the column. Then install new switch and wires. Remove one cut wire at a time, replacing it with the same color wire from the new switch. This makes it impossible to get wires in the wrong place.

    changed both turn signal flashes.

    Turn signals work now but not when I turn on the headlights.  Hazard Lights don't work at all.  I suspect I have a wire in the wrong pin in the column harness.

       •Thread Starter
     

     

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  •  »  Pin Wiring Diagram for Turn Signal Switch Harness.

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