1. Welcome to PlowSite. Notice a fresh look and new features? It’s now easier to share photos and videos, find popular topics fast, and enjoy expanded user profiles. If you have any questions, click HELP at the top or bottom of any page, or send an email to help@plowsite.com. We welcome your feedback.

    Dismiss Notice

Sno Way harness trouble

Discussion in 'Truck & Equipment Repair' started by mboatman, Dec 16, 2011.

  1. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    Plow quit, I narrowed it to wirless control module. 370 bucks later plow goes up, left and right as it should. But is wont go back down????

    Started messing with wire harness, and when I wiggle large gray harness plug the plow drops to the shop floor.

    Any ideas, new wiring harness or can I fix what I have. It doesnt look bad at all.

    Thanks, Morgan:mechanic:
     
  2. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    Check to be sure all the pins are properly locked in the plug. Could be you have a floater not making contact.

    What color are the coils on the pump black, blue or a combination of the two?
     
  3. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    coils

    The coils on top? Each position has a red coil.

    I was looking at the plug, how do they sanp in or out. I am wondering about solder connecttions, but will make sure they are seated first.

    Older MT model plow, probably 8 years old. Lightly used in my driveway and business parking lot.

    I am guessing nothing is plugged in th elines or it wouldnt have dropped to shop floor when I pressed button, I hear it click and then wiggle gray plug and down it goes...
     
  4. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

  5. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    My plug is different but have checked and they are all seated.

    The part number for this harness is 96105130
     
  6. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    OK that has been replaced by the 96108247 but regardless look for a bad connection in the plug from either side.

    Clean all the ground while you are at it. the unit is controlled on the ground side.
     
  7. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    WIring harness

    Thanks I will post what happens in a bit.

    Morgan
     
  8. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    plow wont go down

    Well,

    Dealer gave me a wiring harness, switched them out and can not get plow to lower at all. Can not repeat what was possible before???weird

    Thus far have replaced wireless module, wiring harness and still no lower.

    DP off, havent tried with it on??????
     
  9. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    :laughing::laughing:

    OK lets review

    When you try to drop the blade does the "B" coil(blue and white wire) have magnetism? If no does it have 12 volts to the red/white wire? if yes do you have 12 volts at the blue/white wire. If yes, attach a ground to the terminal the blue/white was attached to, careful it will drop if it is an electric/control issue.

    Let me know.
     
  10. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    mt sno-way

    Ok, I am just getting ready to leave office and I will dig back into it.

    To review: Yesterday, I testing at "B"
    Had 12V at red/white on coil
    and when I triggered down on remote I had 12v at the other side of blue/wh side of coil.

    I got you: I will go chasis ground to coil at the bl/wh wire location after disconnnecting bl/wh wire. This should trigger for plow to drop.

    I will respond in about 40-45 minutes.

    Thanks, Morgan

    By the way the dealer in Fairbanks is pretty cool. I bought the wireless controler yesterday, since the older one would not program. He verified that. When I called this mroning for the harness, he said come get it I guess he gave it to me since I spent so much yesterday. Great guy.
     
  11. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    You understand low side switching?/ you should have 12 volts at both terminals on the plow until you engage the function then the test light should go out because you activate the unit by providing a ground. you're going to manually override the control.
     
  12. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    Grounding "B"

    Yes 12V at RD/WH
    Yes 12V at Bl/WH

    Removed Bl/WH

    Ground to terminal (BL/WH) and plow does lower?
     
  13. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    magnetism???

    Also I noticed there is no magnetism on "B" anytime.

    But:

    When I press down on the remote, there is magnetism at "F"

    when I press up the magnetism goes away.
     
  14. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    So when you ground the bl w/wh wire going to the "B" coil the plow drops?

    If yes then we know the coil/valve are working properly. Next step check the continuity of the Bl/w wire. disconnect the receiver module and using your multi meter check the Bl w/wh wire for continuity.

    Yes both the "B" and "F" need to be charged for lower/float.

    does it lower under down pressure?
     
  15. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    toruble shooting continues

    BL/WH wire is good tested with multimeter.

    PLow does not drop in DP mode.
     
  16. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    Multimeter between the red w/white and blue w/white wire. you should not have power until you drop the blade. do you get voltage?
     
  17. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    voltage test

    Disconnected RD/WH and BL/WH wires from red coil.

    Put multimeter probes in RD/WH and BL/WH wires
    No voltage

    Pressed down on remote
    No voltage.

    I am starting to think I have purchased a bad wirelss module???
     
  18. basher

    basher PlowSite Fanatic
    from 19707
    Messages: 8,992

    Something is wrong. have you considered taking it to the dealer that sold you the componets? Perhaps they have a test unit if only another receiver to throw in the unit. You've proven the unit is hydraulically correct. It has to be on the control side. The only untested component is the control.
     
  19. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    To the dealer we go

    Thanks for all the help. I am taking it to dealer monday.

    Hopefully he cna figure out whats up.

    The wireless controller has acted the same the enitre time, so I am guessing that one has issues.

    Hope he is reasonable about it.

    Have a great evening
     
  20. mboatman

    mboatman Junior Member
    from Alaska
    Messages: 12

    Wiring update "FIXED IT"

    All,

    Well after starting over and working through it one more time from the ground up, I noticed one little tiny strand of copper straying from the back of the plug on the "Brand New Wireless Module".
    100_1902.jpg

    100_1903.jpg
    Well this strand just so happpened to belong to the BL/WH wire. Gave it a tiny itcypitzy tug and out it came. Apperently it did not get seated all the way in the pin before crimping.
    I simply disassembled the plug, removed the pin being very careful not to disturb the others. You can pop off the orange piece on the front of plug, look inside and you can see the locking mechanism, I unlocked it very carrefully and pushed the pin out the back of the plug with a touch pick.

    I stopped part way and took photos, you cna see the pin just starting out teh back of the plug.

    I straightened out the wires, heated the pin with soldering iron, droped a very little pit of solder in back of pin, inserted wire.

    Checked my work with a small tug, inserted pin back in grey plug, reassembled it plug.

    Installed module and everything works great. Just finished the business driveway and the house driveway. No issues.

    Thanks Basher for all your input. Just thought I'd share what I found incase someone else had the same problem.

    I will be sharing with dealer what I found incase he has customers that are not as relentless as I. Still a great guy and I am confident that he would do right by the whole thing. KOOODOOOES to the Fairbanks Alaska SNo Way dealer.

    I have attached photos.

    Regards, Morgan

    100_1902.jpg

    100_1903.jpg