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Blowing relays


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#1 bluegrassmanus OFFLINE  

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Posted April 18, 2015 - 03:33 PM

I have a Wheel Horse 269H Model 72102. The Toro relay part # is 116397. There are 4 relays on this tractor and the one that is blowing is the one to the starter. I had to jump start it to get it running. It started right up. Brought it to the garage to check everything out and it would not do anything. Checked the relay and it was bad. Bought new relay and now it is bad. Anyone have any idea why this could be happening. Any help would be appreciated. Thank you Richard from Southwest Ohio. 



#2 HDWildBill OFFLINE  

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Posted April 18, 2015 - 03:49 PM

Welcome to GTT.  The first thing I would do is check all my grounds and make sure they are clean and tight.  Also make sure the relay is grounded.


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#3 boyscout862 ONLINE  

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Posted April 18, 2015 - 04:41 PM

Welcome to GTT. I agree with Bill. I would also look for a short. Good Luck, Rick


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#4 glgrumpy OFFLINE  

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Posted April 18, 2015 - 08:02 PM

Is the relay a safety switch you mean?  I have late model Power King and it has a control box thing that all the switches go into on harness and it figures out if all is safe and in order on those to start. There is also an engine fuel pump and start circuit box that needs to be good. This is on a Kohler V-twin. Mine had the key switch loose and would turn with key movement. PO's just kept turning it, the wires wound around tighter and tighter and finally rubbed enough to make coating come off two of them and short out. It shorted the control box out too, Took awhile to find and fix problem. It also melted main wires from fuse box to switch and ended up replacing fuse box in it too. Look for wire with worn area in it, rubbing on something.



#5 bluegrassmanus OFFLINE  

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Posted April 19, 2015 - 07:03 AM

Thank you. After replacing the relay the first time, it started and then blew the relay. This relay is in the starter circuit.

#6 GWest OFFLINE  

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Posted April 21, 2015 - 06:23 AM

I don't understand the blow up description.

If it blew the cover off what actually happened inside?

If the cover didn't come off remove it and describe the failure.

 

Garry


Edited by GWest, April 21, 2015 - 06:23 AM.

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