Scag , battery not charging

Discussion in 'Mechanic and Repair' started by brianslawncare, Sep 1, 2014.

  1. brianslawncare

    brianslawncare LawnSite Senior Member
    Posts: 453

    I have a scag turf tiger, I put a brand new engine in it and the battery won't charge? If I put another battery in it I'm good for a couple more yards then it dies again? This happened with the old engine too. But I'm not sure what it can be? Thank you brian
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  2. Restrorob

    Restrorob LawnSite Fanatic
    Posts: 11,024

  3. ilike2mow

    ilike2mow LawnSite Bronze Member
    Posts: 1,032

    Did you reconnect the battery charging wires when you reinstalled the new motor?
     
  4. brianslawncare

    brianslawncare LawnSite Senior Member
    Posts: 453

    Yes I just have a positive and negative wire to the battery. But this happened with the old motor last season?
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  5. dieselss

    dieselss LawnSite Bronze Member
    Posts: 1,631

    Fuses, fuse holders, other issues
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  6. Restrorob

    Restrorob LawnSite Fanatic
    Posts: 11,024


    Without a machine model and serial number posted or even a engine brand/type, It's anyone's guess....... :walking:
     
  7. dieselss

    dieselss LawnSite Bronze Member
    Posts: 1,631

    That was my point
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  8. brianslawncare

    brianslawncare LawnSite Senior Member
    Posts: 453

    The model is stt27ka. It's a 27hp liquid cooled Kawasaki engine. For the serial number I will get it in the morning. Thank you
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  9. cannondale23

    cannondale23 LawnSite Member
    Posts: 37

    look for loose or open wires on the tractor... I noticed some open wires in the control box section of the tractor... where the throttle lever is etc. A mouse must of got in there a couple of winters ago and chewed on the wires... so the thing runs fine but I bet I have a parasitic draw that kills the battery quicker, I go thru a couple each year... this winter I'll tape up the open wires and see if I have better results next year... I use the goodyear 340cca battery in my scag
     
  10. cannondale23

    cannondale23 LawnSite Member
    Posts: 37

    here is another thing I did a couple of nights ago just to make sure the battery was charging while engine was running....
    test the battery when running to see if its being charged my says 13.x when motor is running
    and 12.7x when out... anything below 12.6 when not charging and you need to charge it
    you can use a multi meter like the one harbor freight sells... set it to 20 dcv and test away... there is a youtube video on how to work a cen-tech multi meter testing a 12 volt battery
     

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