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  1. #1

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    Rectifier location on a 2009 rxt is 255hp?

    Does anyone know where it is located? My Jet ski sunked and i got everything fixed now. Drained all the oil and got all the water out. I took it out on the lake and now it shows the battery and the engine light. I put a garden hose and it reads 12.6v while running. Does that mean low? What is it supposed to run at? 13.3v? I checked all the fuses and they seem to be fine. I am a car Mechanic so i am pretty handy. I guess a rectifier would probably fix my problem? Where is it located and what should it be charging at while running? Thanx for any input.


  2. #2
    ptscon's Avatar
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    It's mounted on the air intake silencer next to fuel tank. You can access it from the front storage area, remove the bin and look under the steering column.

  3. #3
    steven mace's Avatar
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    before you throw money at one, get your multy meter on to the harness. there is 3 wires running back to the engine stator/mag.. check resistace across the 3 wires.. got to be between 0.1 and 1 Ohm. if it is throw a rectifier at it.

  4. #4

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    Quote Originally Posted by steven mace View Post
    before you throw money at one, get your multy meter on to the harness. there is 3 wires running back to the engine stator/mag.. check resistace across the 3 wires.. got to be between 0.1 and 1 Ohm. if it is throw a rectifier at it.
    Where do I find this harness location? So if it is between 0.1 and 1 ohm does it mean I need a rectifier or doesn't need a rectifier? Thanx for your help guys

  5. #5
    steven mace's Avatar
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    the Rectifier has two harness plugs i think. a 2 pin (goes to the battery) and a 3 pin plug (comes from the magneto pickup on the pto cover)
    can test the 3 pin harness at the Rectifier or from the harness 3 pin plug coming out of the pto cover (i think 3 yellow wires)

    you are testing for a short or a brake in the magneto windings. the windings are like the wire windings in a alternator. if they become shorted to ground or broken it wont charge corectly.

    just throw your ohm meter accross the 3 pins and make sure you get between 0.1 to 1 ohm. my old one had low 12v.. wasnt charging so swapped Rectifier and didnt fix it. took 1 min to put the ohm meter accross the pins. it didnt get any readings. was like there was a brake in the windings or harness into the magneto. pulled the pto off. put a new one in and off it went

  6. #6
    steven mace's Avatar
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    new one measured 0.2 ohms

  7. #7

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    on the suspension ski it is located on the side of battery case

  8. #8

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    Quote Originally Posted by BEECHFRONT View Post
    on the suspension ski it is located on the side of battery case

    1st it was reading 0.01 for a sec, now is reading 0. Does that mean i need a a rectifier?

  9. #9

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    Anyone can help would be appreciated. Is there a way to test the rectifier if i take it out? So if my reading is 0 that means there is a short somewhere in the wiring harness?

  10. #10
    ou812's Avatar
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    check the 2 30a fuses in the small fuse box that say's "charge" and "battery". Those will blow and give the symptoms you have. The fuses are located between the fuel tank & motor.

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