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  1. #1

    Question project XR-1800 w/twin SHO's... wiring diagrams and water cooling routing diagrams

    does anyone have a wiring diagram and water line routing diagram for the SHO engine? the engines are installed in the boat and i have heard them idle, but the wiring is rough and needs to be redone. I want to simplify it as much as i can. both of the engines have complete wiring harnesses and ecu's, but i do not have a dash board for either engine. any ideas or suggestions?


  2. #2
    abracadabra's Avatar
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    USE twin RIVA VIPEC ECUS, They come with diagram. BTW how fast is the boat? Thanks, Julio...

  3. #3
    allready looked at those ecu's,,, great add on but dosnt really solve my problem at all. they plug into the factory harness so that dosnt solve my need to simplify the wiring. plus that $2700 price tag x2 !!!!!! OUCH

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    mjh3ides's Avatar
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    Here ya go...
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  5. #5
    abracadabra's Avatar
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    Thumbs up WIRING

    You're right,

    You can always meter the wires. They aren't really that many, Injectors, Coils, Throttle, Map sensor, Air temp sensor. I'm sure you can find all connectors and really clean things up. I know Motec uses the same connector type on their ECUS. I'm sure it is a nice build, I own a 2009 SX 232 limited and I'm thinking about fining two motors stageIII and dropping them in. You can also try Robert Crain from riva, he is very smart on ECUS wiring and tunning them too... Let me know how fast you're running... Take care, Julio...

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