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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » 65 GT speedometer

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    9/15/2014 5:45 PM  #1

    TimC
    I FYI 24-7

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    From: Wheaton, Illinois
    Registered: 4/01/2013
    Posts: 889

    65 GT speedometer

    The speedo/odo on my 65 GT guage cluster does not work.  Gear on bottom end of cable looks fine, top end of cable spins when I spin the bottom gear.  I have a spare, working 66 gauge cluster.  Does anyone know if the speedometer from the 66 cluster can be swapped into the 65GT cluster?  I'd prefer not to use my remaining bash thrash time on experiments.  I'd like to know for sure before I dismantle 2 clusters.

     

    9/15/2014 5:59 PM  #2

    MS
    Forum Originator

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    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 12,689

    Re: 65 GT speedometer

    Should be the same speedo.  The clusters are identical

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

    9/15/2014 9:30 PM  #3

    barnett468
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    Registered: 9/15/2014
    Posts: 770

    Re: 65 GT speedometer

    if you spin the brass fitting on the back of the speedos quickly by hand and the needle moves, the speedo is working and your prob lies elsewhere.

     

    9/15/2014 9:42 PM  #4

    TimC
    I FYI 24-7

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    From: Wheaton, Illinois
    Registered: 4/01/2013
    Posts: 889

    Re: 65 GT speedometer

    MustangSteve wrote:

    Should be the same speedo.  The clusters are identical

    Ammeter is quite different, but I'm more interested in speedo at the moment.

       •Thread Starter
     

    9/16/2014 9:33 AM  #5

    hmartin025
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    Registered: 4/01/2013
    Posts: 365

    Re: 65 GT speedometer

    I keep a 3 inch long upper piece of speedo cable in my tool box to check speedo operation!
    Howard

     

    9/16/2014 9:50 AM  #6

    Don
    Senior 24-7 FYI Addict

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    From: Coppell, Texas
    Registered: 4/02/2013
    Posts: 1,232

    Re: 65 GT speedometer

    there's another plastic gear in the tranny housing ,, the cable gear mates into it.   mine was part stripped and made speedo only work part time.  just another place to check   

     

    9/16/2014 12:39 PM  #7

    TimC
    I FYI 24-7

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    From: Wheaton, Illinois
    Registered: 4/01/2013
    Posts: 889

    Re: 65 GT speedometer

    Don wrote:

    there's another plastic gear in the tranny housing ,, the cable gear mates into it.   mine was part stripped and made speedo only work part time.  just another place to check   

    Yeah.... I aimed my flashlight up in there when I pulled the cable gear out and told myself I need to rule everything else out first.  ( I've got that T5 on the shelf and don't care to pull the T10 tail shaft housing)  Gonna give the back of the speedo a quick spin tonight (thanks barnett468!), and then determine where to go next.  I know my spare speedometer works, but if it's the T10 drive gear, I'm gonna have to fix the cig lighter to use my gps speedo for the BASH trip.
     

       •Thread Starter
     

     

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