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  1. #1

    Default 84 115 evinrude is there a proper wire diagram?

    hi
    i trying to re plug in and route the wires

    and there was a few connections i cant figure out yet

    now looking at things the selco book shows this engine doesnt use a regulator just a rectifier

    on the max rules site the image similar to this one is one without Tilt trim but uses a seperate rectifier... and in both i dont know if the gray wire is supposed to jump to the postive lead in the terminal block as it has the terminal jumper

    and not sure if you can use this engine without a regulator

    as my gasket set kit comes with a regulator gasket but heck if i know where that goes....

    so my engine is a cross bread on max rules with the Tilt trim and the non tilt trim... i know it says it may vary

    is there another page with label colored wires i can double check

    and i dont have a yellow gray wire from the stator or on my rectifier they both yellow

    if there is another page be great that i can double check these wirings

    but id say i cant run it without the regulator and going to see local marine if they have one
    Last edited by comet424; 05-13-2015 at 08:48 AM.

  2. #2
    Join Date
    Sep 2006
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    Baton rouge, La, USA
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    Default Re: 84 115 evinrude is there a proper wire diagram?

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  3. #3

    Default Re: 84 115 evinrude is there a proper wire diagram?

    ok so they go back to earlier years... so i will need to get a regulator then probably why this engine never ran right... plus i gotta hook up the VRO 2 pump too thats under the with tilt trim wiring well they only show the sensor wire

    but thanks i printed it and ill try to follow it. as there is a brown wire i not sure where it goes

    thank you

  4. #4
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    Default Re: 84 115 evinrude is there a proper wire diagram?

    this is as close as i come to what you may have this early in the morning.so it may not be exact but it may help you...you may or may not have the additional regulator plus the rectifier....if you dont have it then the gasket is just an unneeded part of the kit so ignore it...

    the yellow wires are ok coming from the stator...some have the yellow/grey and some just have two yellows..

    just curious..what got you into this project?

    the grey is your tach wire..if you have a rectifier only then it will hook up to the red wire coming from the rectifier...it may be on the same terminal or have a jumper to the terminal next to it on the strip..it dont matter as long as it connects...

    you can run the engine without the rectifier..its purpose in life is to charge your battery and feed the tach...

  5. #5

    Default Re: 84 115 evinrude is there a proper wire diagram?

    Quote Originally Posted by papyson View Post
    this is as close as i come to what you may have this early in the morning.so it may not be exact but it may help you...you may or may not have the additional regulator plus the rectifier....if you dont have it then the gasket is just an unneeded part of the kit so ignore it...

    the yellow wires are ok coming from the stator...some have the yellow/grey and some just have two yellows..

    just curious..what got you into this project?

    the grey is your tach wire..if you have a rectifier only then it will hook up to the red wire coming from the rectifier...it may be on the same terminal or have a jumper to the terminal next to it on the strip..it dont matter as long as it connects...

    you can run the engine without the rectifier..its purpose in life is to charge your battery and feed the tach...
    hi thanks for reply

    reason for project is i had this engine and when i was on the river trying to get it to the boat launch it had over heated and shut down middle of november so it was snowing raining and getting dark... and you cant row a 20 foot fiberglass boat... what happened was at my friends dock it picked up weeds and the buzzer didnt work i found out so it sucked weeds in,, and people say shoving in reverse blows it out the intake but it doesnt as i told them you cant reverse the motor... i been waiting for 2 months on the plastic filter also from my marine

    but i wanted an engine that was good all the engines you see online broken and i dont mind fixing them and re selling just i wanted to do this right for myself... as i looking at a 1979 140 johnson to possibly rebuild.. but if i do going to take lot of pics of where the wiring goes


    as for the rectifier, ya thats all i have i dont have the voltage regulator
    and is there a link on where the Blue wire from the VRO 2 pump goes? and i guessing the black is the ground and the 3rd is for the VRO sensor and the thermostat sensors to send to the buzzer which i might as well change out to themperature guage sensors but dont think there is one gauge that tells for both heads

  6. #6

    Default Re: 84 115 evinrude is there a proper wire diagram?

    you wouldnt happen to know on the top of the engine part of the Hook to lift the engine there is a hole

    is that where i could add a Temperature sending unit? or can you only add it to the 2 holes on the head where the buzzer sensors are

    as i was thinking wiring those 2 up the buzzer ones and then on the top for a temperature gauge sender

  7. #7

    Default Re: 84 115 evinrude is there a proper wire diagram?

    well i looked on the page about that bracket its a water cover plate if i didnt have Tilt and Trim but i do.. so not sure what would go there? it kinda looks like same housing for the voltage Regulator if i had one but if it was how could you lift the engine...

    so not sure where the voltage regulator would go on here.. and if i can use that hole for a Temperature Gauge ontop of the 2 buzzers sensors or just take them out and put 2 Gauges temperature..

  8. #8
    Join Date
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    Default Re: 84 115 evinrude is there a proper wire diagram?

    i would not replace the sensors....they give an immediate alarm if you overheat....you are not going to be constantly observing a temp gauge and a piston goes quick if the motor overheats..

  9. #9

    Default Re: 84 115 evinrude is there a proper wire diagram?

    ah ok good thing i got 2 used ones off the spare engine i got as these sensors the OMC dealer can no longer get no more obsolete..


    they told me i can use the top hole

    problem is i dont have a voltage regulator

  10. #10

    Default Re: 84 115 evinrude is there a proper wire diagram?

    do i need a voltage regulator? as they show i can get one that is combo voltage/rectifier

    apparently my engine is 3 types of engine parts.... it has just a rectifier no voltage regulator and wired like a 81-82 without a trim

    can i run this without a voltage regulator or prob not... and since i cant find just a voltage regulator are they the same the merc ones.. they a 3 Pole voltage regulator as i dont think it matters right?

  11. #11
    Join Date
    Sep 2006
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    Default Re: 84 115 evinrude is there a proper wire diagram?

    after rereading the complete thread i have no idea of what you got and what motors you are trying to get running and what motor you are salvaging from...and i dont know if the volatge regulation is compatible or not ....if you have the add on regulator along with a rectifier which is separate on one engine and not the other you are going to have to do some rewiring to make it work....and i have no idea what else you will run into...

    we are basically here to assist in problems with a once running engine or to answer specific questions....but to do what you are trying to do and getting remote help is almost impossible for me to do...maybe someone else can step in...

    good luck on your project.....

  12. #12

    Default Re: 84 115 evinrude is there a proper wire diagram?

    its a 1984 MLRCD 115 hp engine

    it was running not the best a couple years ago... and i have reassembled it

    the top of the engine is using a Hoist Hook with a cover plate. that means this engine is not a Tilt and Trim Engine
    yet its on a Hydraulic Tilt and trim
    as if it was a Tilt and Trim it would not have a hoist loop to lift the Engine into the air but replaced with a Voltage Regulator/Rectifier


    this engine has the regular Rectifier the 3 wire which is for engines that dont have a Tilt and trim. and this engine never had a Voltage Regulator.... nore can you buy it seperate.... yet on the diagram page it shows a Rectifier and a Voltage Regulator/Rectifier but not a plain Regulator...

    the OMC Machine shop figured its multiple parts since the wiring Doesnt match right

    Since a VRO pump is wired with a Voltage Regulator/Rectifier.... and not wired with a 2 Unit Voltage Regulator & Rectifier as 2 seperate units.....


    this is what i should have
    http://www.maxrules.com/graphics/omc.../84_V4_TNT.jpg


    this is what i have

    http://www.marineengine.com/boat-for...1&d=1431518359

    minus the voltage regulator

    but the housing of the engine is 84 i guess as it has recirclating fuel hoses like behind the Throttle Level on the engine

    hope that helps

  13. #13

    Default Re: 84 115 evinrude is there a proper wire diagram?

    i rebuilt the engine as it overheated on the middle of the river and siezed up on me drifiting middle of november in snow and rain

    and i using parts off a 1979 115 for the crank shaft piston rods bearings exhaust housing some other parts

  14. #14

    Default Re: 84 115 evinrude is there a proper wire diagram?

    just looked at the 79 115 that i took the the parts off of also

    looking at parts page it doesnt use a voltage regulator at all... so guess you can run engine without the use of a voltage regulator then

  15. #15

    Default Re: 84 115 evinrude is there a proper wire diagram?

    i contacted outboard ignition website and they said i can use the mercy 200hp voltage regulator on this engine as it can handle a 16 amp stator they said

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