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  1. #1

    94 SL 750-Trim problem

    I have a 94 SL750, The trim stopped working this year. I was replacing the battery and it stopped working.


  2. #2
    ph2ocraft's Avatar
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    nb, WELCOME to the Green Hulk!!!

    The trim only works while the engine is running.
    Quick test once the electrical box is open.
    You will see the LR23 which has 4 wires leaving it, black, yellow, red/purple/orange. Follow the orange wire to the spade connector on the electrical box and move it to the red/purple spade connector.
    Now try the trim and let us know what happens.
    If it works, replace the LR23 and be sure to put the wires back in their original locations.
    If it doesn't work try connection 12 power and ground to the blue/white and the green/white wires leading to the motor. Disconnect them from their connectors on the electricalboard first.
    If the motor doesn't move, you have a bad motor and/or gears in the trim assembly.

  3. #3
    I've got a similar problem on my ski but haven't started to troubleshoot yet.
    Looking at the elect parts diagram below, which number is LR23 ?

    It only shows, #6, LR31-2 ???

    http://www.partsland.com/index.cgi?N...ELECTRICAL-BOX

    Thanks !!

  4. #4
    ph2ocraft's Avatar
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    As I recall, you have a 95 SL750 and number 6 would be a LR23.
    On the outside chance you have a 95 SLX780 you would have an LR23-1 which has an additional circuit that gets used for the LR54 Rev limiter.
    But I don't think you have the SLX as the photo you show doesn't have the 2 control modules showing on the board.
    Then again they could have updated the control unit name.
    Even if that's the case you will still have the same wires and need the 12 volts out of the orange wire when the engine is started in order to supply the trim system.

  5. #5
    OK---Thanks for the reply.

    I'll post what I find when I troubleshoot/repair.

    I'm going to ride it, as is, 'till the end of the season.

  6. #6
    The wires coming from the trim unit are blue/white and green white. the other wires are yellow/oranage

    The orange wires comes in with black, blue/white, green white, black/yellow, 2 blacks. I moved the orange wire to the purple/white, started the engine and nothing.


    Quote Originally Posted by ph2ocraft View Post
    nb, WELCOME to the Green Hulk!!!

    The trim only works while the engine is running.
    Quick test once the electrical box is open.
    You will see the LR23 which has 4 wires leaving it, black, yellow, red/purple/orange. Follow the orange wire to the spade connector on the electrical box and move it to the red/purple spade connector.
    Now try the trim and let us know what happens.
    If it works, replace the LR23 and be sure to put the wires back in their original locations.
    If it doesn't work try connection 12 power and ground to the blue/white and the green/white wires leading to the motor. Disconnect them from their connectors on the electricalboard first.
    If the motor doesn't move, you have a bad motor and/or gears in the trim assembly.

  7. #7
    ph2ocraft's Avatar
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    nb, you're not following along for the test, it's tricky to put into writing can you call me? 408-394-3057

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