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    Rancher23's Avatar
    Rancher23 Posts: 6, Reputation: 1
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    #1

    Aug 28, 2009, 07:44 PM
    Toro Zero turn battery problems
    What would cause my Toro Zero turn mower to start fine one time then the next time not start because the battery is too low. Once it is charged it is fine, but won't seem to hold the charge. Also it is a new battery and I charged it to 100 percent before using it.

    Thanks,

    Tim Fairfield
    [email protected]
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #2

    Aug 28, 2009, 08:52 PM

    It appears that you have some kind of drain on battery. Disconnect the negative battery cable between uses and see if the battery remains charged.
    Rancher23's Avatar
    Rancher23 Posts: 6, Reputation: 1
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    #3

    Aug 29, 2009, 06:44 PM
    Still won't start? Could solenoid be bad? With a fully charged Battery still will barely turn engine. Then saw smoke around solenoid. What's next?

    Thanks for your help.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #4

    Aug 30, 2009, 03:09 PM

    Failing the smoke test is a good indication that an electrical part is faulty. I would say solenoid is shot. Check all electrical connections at solenoid.
    Rancher23's Avatar
    Rancher23 Posts: 6, Reputation: 1
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    #5

    Aug 30, 2009, 04:15 PM
    The only thing that I can hear click now is the solenoid. But nothing on the engine turns at all. Is there a way to by pass the solenoid to see if the starter will start the engine?

    Thanks,
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #6

    Aug 30, 2009, 04:34 PM

    A direct connection between the battery and the starter will spin the starter. If there is a mechanical linkage between the solenoid and the starter it probably won't engage the starter gear with the engine flywheel. If there is no mechanical linkage it will probably turn the engine.
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    #7

    Aug 30, 2009, 05:45 PM
    Tried disconnecting the solenoid from the starter, then connecting the negative to the battery with no positive on the battery. Then put a jumper cable from the positive battery terminal and the starter turned the key nothing.

    Reconnected positive cable from battery to solenoid then connected solenoid to the starter and tried the jumper cable the only thing that does anything seems to be the solenoid. When I turn the key on it makes a thunk sound the another when I turn the key off.

    Is it time to take it somewhere or can I still fix it?

    If it is the starter, How much should one cost?

    Thanks for all your help.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #8

    Aug 30, 2009, 09:13 PM

    Is the solinoid on the starter or some where else?
    Rancher23's Avatar
    Rancher23 Posts: 6, Reputation: 1
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    #9

    Aug 31, 2009, 05:42 AM
    The solenoid is bolted to the bottom of the frame between the battery and the starter. I have the battery under the seat and a short maybe 10 to 12 inch cable from positive on the battery to the solenoid then another short cable from the other side of the solenoid to the starter which is hanging on the side of the motor. The motor is a 14.5 horse Briggs & Stratton.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #10

    Aug 31, 2009, 03:00 PM

    Connect jumper cable to positive post and to the other side of solenoid, the side with the cable going to the starter.

    When you turn the key to start,you energize the solenoid which then connects the battery to the starter. This way you are bypassing the solenoid and connecting the battery directly to the starter. The negative of the battery must of course be connected to the frame.

    Replacing the solenoid should require removing the electrical connections and the mounting bolts. Starters usually have two mounting bolts and the connection of the cable from the solenoid. Replacing both should be quite simple, however it always seem that you have to remove something else to get to what you have to replace. Just Murphy's law.
    Rancher23's Avatar
    Rancher23 Posts: 6, Reputation: 1
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    #11

    Sep 1, 2009, 07:05 AM
    I'll give that a try tonight when I get home from work. But I have one question about the seat. There is a 2 wire connector plugged into the bottom of the seat and the only way to work on the battery, solenoid and the starter is to work with the seat up.
    Obviously this is some kind of safety feature while you are operating the mower. Will it cause any problems while I am trying what you told me to try or is there a way to jumper the switch and bypass so I can work on it with the seat up or is it no problem working with the seat up and trying what you asked me to try.

    Thanks for all your help.
    hkstroud's Avatar
    hkstroud Posts: 11,929, Reputation: 899
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    #12

    Sep 1, 2009, 07:28 PM

    No problem with seat safety switch. You are making a direct connection to the starter. Nothing else matters. The mower won't start but the starter should turn if it is not defective.

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