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Thread: 2000 honda rancher 350

  1. #16
    Join Date
    Jul 2009
    South Florida
    No difference
    78 atc 90/180cc Dickson Full Suspension
    76 ATC90/180cc Nicholson
    77 atc 90 Dickson Full Suspension
    84 KLT 110/123cc Powroll Racer from 80s
    87 atc 125m stock
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    84 atc 200x Powroll My race bike from 80's
    83 atc70/108cc Powroll blue Xmas Special
    81 atc185s HP-ATC full suspension

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  2. #17
    Join Date
    Apr 2012
    How do you keep finding these machines with electrical problems xD.

    Looks like the Honda has a similar system as the Brute Force for error codes if any are set. This is from the 2004-2006 service manual. Seems kind of silly that the machine has the ability to display digital numbers but instead uses the blink system.

    Here's the diag info for testing the angle sensor. Its function is to change resistance based on how much the sensor turns, sounds to work basically the same as a throttle position sensor on a car. The last part is basically testing the reference voltage from the ECU which seems to be based on a 5v signal like a car too.

    For the dash going out with lights on, engine off - first thing I'd check is battery voltage with the lights on to see how much it drops, might be as simple as a weak battery. Lights don't care about voltage much, they just get dimmer at lower voltage, computers and such on the other hand have a min voltage or they just won't work. If electric start works but it won't fire, this could be the same side effect.

    Also, same story as the brute force, the power for ECU and Lights comes from the same wire after it runs through the ignition switch. Could be a poor connection making too much of a voltage drop but defo a weird issue.

    You fixed the clock loosing time by replacing the 30 amp main fuse right? I wasn't 100% if that issue was fixed or not based on the replies. The ECU get's power two different ways, one that is always powered to keep memory (clock and such) and the other way is via ignition switch. Seems like the dash going blank with the lights on relates to the ignition switch power wire and it shouldn't loose the time settings. We might have another case of someone poking wires like your brute force, but the wires not being in as bad of condition.

    For the electric start... back to more multi meter testing like your other machine lol.

    Starter solenoid has two little wires coming out of it, Light Green/Red and Yellow/Red. The Light Green/Red is the ground side, it grounds through a neutral/reverse switch when in neutral. That would make the Yellow/Red wire the power wire to activate it which comes directly from the starter button. The starter button gets power from the same wire as the lights do so that narrows down the possible issues a fair bit.

    Test neutral/revers switch, Light green/Red at starter solenoid to ground, should read dead short while in neutral, no connection in any other gear.
    Test starter button, test in volts from neg on battery to yellow/red wire going to starter solenoid with the key on and start button pressed. You should see battery voltage or close to it.

    If both of the above test good, it's possible the starter solenoid is bad. Best to disconnect the battery first, but you can bench test it by removing the solenoid and powering it off a 12v battery. You should hear a solid click noise. If it clicks, you can test the two big lugs with the multi meter in ohms, with it powered it should show as dead short, and when it's not powered it should have no connection.

    If that all tests good, then we would be looking at battery cables, starter cable and the actual starter motor.

    I think that gets a start on all of the issues. Seems like you have 3 different issues all at once. I suspect the shift problem should be the first thing to dig into and fix. I assume the angle sensor is the cause but I don't have first hand experience, just makes sense from the other replies. Second thing I'd focus on after that is fixing the electric start so the machine is more usable, then the blank screen issue. Probably wouldn't hurt testing the charging system too, aka test battery voltage, start the machine and make sure battery voltage increased.

    Good luck with the machine, hopefully some solid progress can be made =).

  3. #18
    Join Date
    Feb 2011
    lol, Just unlucky I guess. Must be something in the water around here. everything I OWN IS MESSED UP RITE NOW, Cell phone, computer , wow.
    our original 85 we bought new, 2 - 86 police specials
    250r dust runner
    04 Yamaha kodiaK 450 snowbuster ! Brute Force 750 dust collector .
    Bunch of es stuff I been buying for next builds....
    Gone but lives on in my aching body the mighty 350x collection . A Beat 85 es im gonna rebuild

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