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T90 Cover-reverse Light Switch Mod

Discussion in 'Builds and Fabricators Forum' started by Jeepsterjim, May 1, 2020.

  1. May 1, 2020
    Jeepsterjim

    Jeepsterjim Member

    Lincoln, CA
    Joined:
    Apr 25, 2019
    Messages:
    401
    I have read many different ways to mount a reverse light switch to the shift rail on the T90 cover BUT I have not came across doing this mod to a M38 cover which has threaded end caps. Has anyone read on or done this mod to a M38 cover?. Having threaded ends would it be possible that a switch just might screw in and work?
     
    Last edited: May 2, 2020
  2. May 1, 2020
    CHUGALUG

    CHUGALUG Member

    Silverton, OR
    Joined:
    May 11, 2019
    Messages:
    240
    I seriously doubt there would be enough room. Unless you could somehow mount the switch within a tube that threaded in place of the end cap. Something like a tube threaded on the inside and outside. the inside fitting the switch and the outside fitting the end cap threads. AND you had enough physical room for the switch between the mounting of it and the floor.

    I used a Micro switch to then work with a pair of 18watt LED back up lights. Granted it was with a std T-90 shift cover.

    [​IMG] click link to see switch in action

    [​IMG]



    [​IMG]
     
    fyrmn and Muzikp like this.
  3. May 1, 2020
    Jeepsterjim

    Jeepsterjim Member

    Lincoln, CA
    Joined:
    Apr 25, 2019
    Messages:
    401
    Possibly a threaded reducer. It is tight for room but having reverse lights is a nice options. Your pics won't open up.
     
  4. May 1, 2020
    CHUGALUG

    CHUGALUG Member

    Silverton, OR
    Joined:
    May 11, 2019
    Messages:
    240
    Click on the last [​IMG]
     
  5. May 1, 2020
    Jeepsterjim

    Jeepsterjim Member

    Lincoln, CA
    Joined:
    Apr 25, 2019
    Messages:
    401
    how did you solve the oil seepage problem? I like the mod.
     
  6. May 2, 2020
    CHUGALUG

    CHUGALUG Member

    Silverton, OR
    Joined:
    May 11, 2019
    Messages:
    240
    I have done nothing on the Oil seep problem. There is no room for caps on my Transmission cover in the rear as the rods come slightly past the ends of the tubes and are the same diameter as the tubes (give or take a few thousands for clearance).
     
  7. May 2, 2020
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
    Messages:
    8,118
    I capped mine but it takes some work-

    [​IMG]

    [​IMG]

    [​IMG]

    I also mounted a backup switch

    [​IMG] [​IMG]

    [​IMG]

    [​IMG]

    [​IMG]
     
    tripilio and Fireball like this.
  8. May 2, 2020
    jpflat2a

    jpflat2a what's that noise?

    Hermosa, SD
    Joined:
    Jul 30, 2003
    Messages:
    8,520
    Howard has done like I did.
    Modify the housing to how the factory did it.
    There should be a ton of used T90 shift towers from Pickups out there that would come factory with this mod.
     
  9. May 2, 2020
    Jeepsterjim

    Jeepsterjim Member

    Lincoln, CA
    Joined:
    Apr 25, 2019
    Messages:
    401
    WOW Howard, nice machine work!!!! Thanks for posting the pic. Having a CJ2A with NO body lift, would your mod work?

    So the later years Pickups had a reverse light installed from the factory? What years would have them?

    THANKS GUYS
     
  10. May 2, 2020
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
    Messages:
    8,118
    Can't say. I canted it over because I wasn't sure about how much room I'd have under the cover when I reassembled it all but it turned out to be lots & lots.

    The machine work wasn't much, the lathe helped but there are ways around not having one. The material is easy to work with, I tapped the hole just turning the drill press pulley by hand.
     
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