Mower wont stay running, HELP

Discussion in 'Lawn Mowing' started by gibbonsballer10, Oct 14, 2011.

  1. gibbonsballer10

    gibbonsballer10 LawnSite Senior Member
    Messages: 265

    I have a toro Z master 2001, model 74197, it starts up and everything, but when i disengage the parking brake it shuts right off. I let is sit for 3 days and it didnt do this before I let it sit. Can anyone help me with this problem, any help would be greatly appreciated. Thanks
  2. chesterlawn

    chesterlawn LawnSite Senior Member
    Messages: 704

    It might be the seat safty switch. Can you bypass it and see if that works?
  3. gibbonsballer10

    gibbonsballer10 LawnSite Senior Member
    Messages: 265

    I tried that, i unplugged it and tried and it still wont work
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  4. Ridin' Green

    Ridin' Green LawnSite Fanatic
    Male, from Michigan
    Messages: 16,115

    There should be some sort of micro switch/safety switch on the parking brake. See if you can find it, and then see if it is stuck or bad.
  5. StanWilhite

    StanWilhite LawnSite Silver Member
    Messages: 2,240

    If you just unplugged it (without jumping across the 2 wires) you haven't changed anything as compared to when it was connected.
  6. Agape

    Agape LawnSite Bronze Member
    Messages: 1,644

    on my old honda 48"WB all the safty switches went into 1 wire that grounded the electric system to the block to shut it down. find that 1 wire and unplug it to see if it is a switch problem-if it runs with it unplugged then eliminate the switches 1 by 1. you probably have a switch sticking.
  7. iMow2010

    iMow2010 LawnSite Member
    Messages: 11

    Sounds to me like a seat safety switch. Doesn't seem to be the safety on the parking brake if it shuts off when you disengage the brake. I have an '01 exmark and it should be the same for the parking brake, with a "button" than engages that gets depressed when brake is engaged causing the swith to work, if that makes sense. The machine will still run however if the seat switch is faulty and the parking brake was engaged, and then shut off when brake is disengaged. Definetly try bypassing the seat safety like stated before
  8. rodzilla94

    rodzilla94 LawnSite Member
    Messages: 142

    yes what he said, but if it still dies its a bad main relay switch (had the same problem) take it to napa and cross it over with a automotive relay and it is alot cheaper also
  9. goodgreen

    goodgreen LawnSite Senior Member
    Messages: 369

    I had that problem a few years ago on an ExMark. Ended up replacing with a new safety switch...problem solved. Apparently, they do wear out.
  10. MOW ED

    MOW ED LawnSite Fanatic
    Messages: 5,028

    Sounds like a switch to me too. I am not sure if the PTO switch could be an issue also. I wish you luck.

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