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  1. #1

    Question help gxt 03 super charge

    Hi all. I made my gtx 03 super charge 185 to 215 change piston-over gire-ect, i put a 05 ecu and the motor turn over but it doesn't starts, (no fire on the spark) do i need to change other parts, please let me know.


  2. #2
    fabrication guru rapidacceleration's Avatar
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    we need a bit more info..
    no spark probbly mean something just isn't plug in right..

    both my conversion builds where 03 gtx motors and we did the same as your doing here. overdrive gears,ecu,etc and never had a problem.

    did you mess with ANY other electrical items? the tops maybe. the small black unit screwed to the side of the MPEM suport???
    check all the wires coming out the PTO housing, make sure there all pluged in and not pinched/broken.

    when you did the gears did you remove the motor????
    the crank trigger is on the mag wheel, so you would have had to remove it to change out the gear set.. thats where i would check next..
    make sure you didn't bend or damage the pickup.

  3. #3
    Quote Originally Posted by rapidacceleration View Post
    we need a bit more info..
    no spark probbly mean something just isn't plug in right..

    both my conversion builds where 03 gtx motors and we did the same as your doing here. overdrive gears,ecu,etc and never had a problem.

    did you mess with ANY other electrical items? the tops maybe. the small black unit screwed to the side of the MPEM suport???
    check all the wires coming out the PTO housing, make sure there all pluged in and not pinched/broken.

    when you did the gears did you remove the motor????
    the crank trigger is on the mag wheel, so you would have had to remove it to change out the gear set.. thats where i would check next..
    make sure you didn't bend or damage the pickup.
    Hi. the motor with the 03 ecu (7600 rpm) work fine, but went i put the 05 rxp ecu the motor don't start. i made the key for the 05 ecu.

  4. #4
    fabrication guru rapidacceleration's Avatar
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    it runs fine on the 03 ECU

    somethings wrong with your 05 ecu then..
    it should be plug and play as long as the ECU and landyard are good.

  5. #5
    Hi. Do you have one to sell or know a person that have one to sell, i buy this one on e-bay with 40h and is bad, let me know.

  6. #6
    fabrication guru rapidacceleration's Avatar
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    try to test it on another 4tec SC ski if you can.
    bring you 05 ecu and layland to another ski and plug it up. you don't even have to mount it, the cables should be able to reach your 05 ECU for the test just by laying it next to the one mounted.

    now see if it will fire/run the other ski. if not then you ECU is toast.

  7. #7
    Quote Originally Posted by rapidacceleration View Post
    try to test it on another 4tec SC ski if you can.
    bring you 05 ecu and layland to another ski and plug it up. you don't even have to mount it, the cables should be able to reach your 05 ECU for the test just by laying it next to the one mounted.

    now see if it will fire/run the other ski. if not then you ECU is toast.
    Hi Daniel. I plug it up in another ski and it don't work (no start the motor) i need to buy another. if you have one or know who have one let me know.
    thank you
    Pablo from PR

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