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2003 overdrive switch

Discussion in '1st Gen Tundras (2000-2006)' started by Macdaddy, Sep 10, 2019.

  1. Sep 10, 2019 at 5:52 PM
    #1
    Macdaddy

    Macdaddy [OP] New Member

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    Can anyone shed some light on transmission overdrive not working on 2003 Tundra SR5? You can press switch on transmission selector lever, but get no change in engine RPM.
     
  2. Sep 10, 2019 at 6:06 PM
    #2
    lsaami

    lsaami Let ‘er buck

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    your switch is probably shorted out in the stalk. I had this happen on my dad's truck. pull the stalk apart and see if you see frayed wires.
     
    speedtre and 15whtrd like this.
  3. Sep 11, 2019 at 3:21 AM
    #3
    Macdaddy

    Macdaddy [OP] New Member

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    When you say "stalk" I assume you're talking about the steering column.
     
  4. Sep 11, 2019 at 10:26 AM
    #4
    lsaami

    lsaami Let ‘er buck

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    meaning the transmission gear selecter. there are two thin wires that run down it from the O/D button.
     
  5. Sep 11, 2019 at 1:05 PM
    #5
    Macdaddy

    Macdaddy [OP] New Member

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    Thank you.
     
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  6. Sep 11, 2019 at 1:47 PM
    #6
    lsaami

    lsaami Let ‘er buck

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    Let us know if that was the issue. :thumbsup:
     
  7. Sep 11, 2019 at 1:58 PM
    #7
    Macdaddy

    Macdaddy [OP] New Member

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    Does anyone know what rpm my engine should be turning at 65 mph with the overdrive on? It is currently at 2000. It is the 4.7 V8.
     
  8. Sep 11, 2019 at 2:31 PM
    #8
    BubbaW

    BubbaW Been Real

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    2004 here and little above 2000 is where mine runs at 65MPH w/OD in normal/not off
     
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  9. Sep 11, 2019 at 3:16 PM
    #9
    lsaami

    lsaami Let ‘er buck

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    that's right where mine sits with O/D enabled/not off. with O/D off, it'll be around 2700 or so.
     
  10. Sep 11, 2019 at 3:57 PM
    #10
    Macdaddy

    Macdaddy [OP] New Member

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    Thank you, gentleman. That helps a lot. Let's me know mine is in overdrive.
     
  11. Sep 13, 2019 at 6:53 AM
    #11
    speedtre

    speedtre New Member

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    This happened to my 2005...no frayed wires, but the protective covering on the wire running out of the stalk had worn away and the exposed wire was touching other metal and shorting out. It was as simple as covering it up with some electrical tape. Pro tip: After you cover it with electrical tape, wrap it once with some tape that sticks better than electrical tape. Hot summers down here in GA keep that cabin HOT while parked in the sun and electrical tape adhesive doesn't like alot of hear (kinda ironic) and it will come apart after awhile and the tape will unravel...guess how I know. :thumbsup:
     
    lsaami[QUOTED] likes this.

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