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  •  » FYI Ford, Classic Mustang Tech Discussion
  •  » Brake light switch

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    8/22/2015 2:28 PM  #1

    jon5014ren
    FYI FORD Member

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    From: Pflugerville, Texas
    Registered: 2/05/2015
    Posts: 32

    Brake light switch

    65 Mustang/289/MT/PS-problem-changed to front disk, new manual brake 2 bowl master cylinder. Every thing good up to this point. New m/c push rod slightly shorter about 1/4-1/2 inch. Install brake light switch and rear lights come on for split second only and stay off while Bpedel depressed. Changed out brake light switch same thing happening? Any suggestions?

     

    8/22/2015 6:39 PM  #2

    BillyC
    I FYI 24-7

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    From: Chesapeake, Va.
    Registered: 4/02/2013
    Posts: 966

    Re: Brake light switch

    I had a similar problem with my 66. MS suggested a 70 switch for an automatic . Worked great. Not sure if that is your problem but for no more than one cost it's worth a try.

    "anyone that stops learning is old, whether at twenty or eighty"Henry Ford
     

    8/23/2015 9:06 PM  #3

    MS
    Forum Originator

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    From: Canyon Lake, Texas
    Registered: 1/24/2013
    Posts: 12,473

    Re: Brake light switch

    You need to use the original 65/66 pushrod of the correct length.  Your aftermarket rod will not give correct pedal geometry and is probably not designed as well as an original and does not give the brake light switch the correct mounting position so it will work.

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

    8/24/2015 7:44 AM  #4

    hmartin025
    I FYI 24-7

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    Registered: 4/01/2013
    Posts: 365

    Re: Brake light switch

    You can jump across brake sw, that will tell you for sure if problem is in the car or switch area
    Howard

    Last edited by hmartin025 (8/24/2015 7:44 AM)

     

    8/24/2015 4:10 PM  #5

    jon5014ren
    FYI FORD Member

    Offline

    From: Pflugerville, Texas
    Registered: 2/05/2015
    Posts: 32

    Re: Brake light switch

    Thanks for advice. I think will need to do what MS suggested. The new switch works if I rotate counter clockwise and hold it, but obviously does not stay in that position.

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