26 HP EFI Kohler not charging battery...any ideas?

Discussion in 'Mechanic and Repair' started by talonracn49, Mar 27, 2007.

  1. talonracn49

    talonracn49 LawnSite Member
    Posts: 16

    This is on my Great Dane Chariot 61". I checked all of the fuses, and put on a new battery thinking that was the problem.

    I checked the connection on the rectifier ( I think its the rectifier -- it has three wires going to it and is mounted on the side of the engine, looks like a heat sink.)

    Any ideas before I take it to a dealer?
  2. pugs

    pugs LawnSite Gold Member
    Posts: 3,023

    With the engine off, check continuity of the stator wires. And also check if there is continuity between them and ground. Should have low resistance between them and no continuity to ground.

    With engine running at high speed...anything 3200+ should do. Check AC voltage out of the stator. Should be 28+ volts I think.

    That would rule out the stator...so most likely the Rectifier/regulator. However it could be a bad connection or something else going on between there and the battery that could be more difficult to find.
  3. talonracn49

    talonracn49 LawnSite Member
    Posts: 16

    Thanks, I will try it.
  4. AbsoluteH&L

    AbsoluteH&L LawnSite Member
    Posts: 155

    found this in a search, thanks great info

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