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Diff change low to high

Discussion in 'Daihatsu Hi jet' started by johns, Feb 14, 2008.

  1. johns

    johns Guest

    Hi new to mini trucks and to the board. I was the winning bidder on some 1995? hijet trucks that came from a plant. They are in low and I need to find out how to change to high. A guy that used one at the plant said they could be changed and the company ordered them in low side. They also have a governor that is set at 25 MPH that I need to figure out how to disconnect. I also need to find a good place to get parts? thanks for any help you can give Johns
  2. scesnick

    scesnick Member


    Do you mean they are in "4wd Low" right now? and you want to get them into "2wd High" ? I'm sure it is a simple process but i am not familiar with the Hijets.
    As far as parts go, I would suggest visiting some of this boards sponsors sites. You can find the banner at the top of the page.
  3. greg0187

    greg0187 Moderator Staff Member

    If they are left hand drive. I believe they are electronically governed or by the transmission. Is it a 3 speed?
  4. johns

    johns Guest

    They are 2 wheel drive and left hand steer. thanks johns
  5. johns

    johns Guest

    And they are 4 speeds. thanks Again johns
  6. greg0187

    greg0187 Moderator Staff Member

    When you get to the 25MPH mark do they cut off or are they wound out?
  7. johns

    johns Guest

    Yes they just hit 25 and start surging, I unpluged the wires that plug in to module that is on the side of the tranny with the speedometer cable to it. Then it dies plug the wires back in and it starts back up. They are also real low gear no need to start out in first you can use 2nd or 3rd. thanks johns
  8. greg0187

    greg0187 Moderator Staff Member

    Sounds like you may have found something. Maybe its just a dry contact thats normally closed. Use an OHM meter to see if it has continuity. If its near zero try twisting the two wires together.

  9. johns

    johns Guest

    FYI: Just recived e-mail from the plant the secret is

    Take Oil out of Tranfer Case
    Take Off Drive Shaft
    Remove back plate from transfer case
    Remove Snape Ring from Shift Rail
    Then put everything back together
    Pull lever on floor to high

    thanks still working on govenor problems thanks L.J.
  10. matt419

    matt419 New Member

    John, there is an access panel on the left side of the transfer case. It has 4 bolts holding it on. You can shift it into high there. It is atight squeeze but that is how I was told to do it. I have 1 just like it and it is in low range.
  11. greg0187

    greg0187 Moderator Staff Member

    Good Info. Thats crazy its 2WD but has a transfer case?
  12. Gawdzuki

    Gawdzuki New Member

    2wd Suzuki Samurai's have a transfer case...;).
  13. Dan

    Dan Member

    I had a kid on the crew in the early 90's that figured out the governor and i was constantly removing a paperclip from the pigtail on the daihatsu's transmission.
  14. golfcartguy

    golfcartguy New Member

    Ok, Somebody please tell me how to remove the governor for my non - US mini.
  15. Dan

    Dan Member

    all of your other posts say that you have a lefty american cushman "White truck"???

    They are the most complex governors ever created if you have anything powered by mitsubishi that was americanized for US specs. Transmissions were internally blocked from using all of the gears. ignitor boxes (ECU's) will limit the rpm's and cut off the fuel. fuel relays shut down the pump and close fuel solenoids. speed sensors built in to the instrument cluster shut it down too. all of these things are tied together and will not operate at all if you interfere with any of them

    I worked on figuring it out for a while and gave up. I'm sure there is a way but, i quit trying and i gutted the ignition system, bypassed the fuel relays, modified the distributor, flipped the rotor, advanced the ignition wires one terminal , installed a new "MSD" ignition system from a speed shop. i took apart the transmission and rebuilt it without some of the plugs and blocking collars that i found to be in the way of the shift rails.

    Search the threads and you'll find most of your questions have been asked and answered many times over.
  16. Don't give up, Don!!

    I'm relying on you to figure this crap out :eek:

    Only reason why I'm considering getting another LHD Mitz :D
  17. Dan

    Dan Member

    i didn't give up on beating the limiters. i just quit trying to use the existing system. Replacing the ignitor with the new "MSD street fire" ignition fixed all of my problems. I either abandoned or bypassed the things that it was controlling. rpm and speed sensors were abandoned along with the coil wires. fuel relays were bypassed. distributor slightly altered to be able to set correct timing. I'm going to work on the traction and suspension issues now that it has nothing to hold it back.
  18. golfcartguy

    golfcartguy New Member

    Thanks again Dan

  19. That's cool

    I have a leftover MSD 6AL unit with timing control from my 70 T/A :cool:

    The timing control box allows up to 15* advance/retard


    I know you said the stocker had 30* of timing built in, but would the 15* on the MSD timing control be enough so that you wouldn't have to alter the distributor?

  20. Dan

    Dan Member

    That might just do it. I couldn't retard it enough because of physical restrictions so i moved the wires around by one tower and advanced it to the correct timing. Its bolt is about 1/2" outside of the mounting slot in the distributor. I used a "6a" for the first experiment and then found the cheaper "street fire" unit for the second one. the old plugwires didn't handle the extra voltage well so i changed them also. only after being shocked a few times like i was hit with a stun gun.

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