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Sears ss16 wont turn over


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#1 ratnestss16 OFFLINE  

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Posted February 07, 2012 - 10:14 PM

I can't figure out why my tractor all of the sudden wan't turn over. I cranked over, ran it for a few, and I turn it off. Go to crank it again to pull it in the garage, and it does nothing. I have checked everthing wiring, starter, switch, etc. I ever replaced the coil, nothing! So my question is will a faulty voltage regulator cause it not to crank? It is the only thing I did not check.

#2 Delmar ONLINE  

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Posted February 07, 2012 - 10:41 PM

:wave:Hello and welcome to GTtalk. Sorry to read of your dilema. Is the battery good? also there are 2 safety switches on it. neutral and pto. the wire to one of them might have slipped off, or not engaged. hope this helps

#3 ratnestss16 OFFLINE  

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Posted February 07, 2012 - 11:00 PM

Both safety switches have been bypassed and the wiring is good. Battery is good also.

#4 MH81 ONLINE  

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Posted February 07, 2012 - 11:14 PM

If you bypass the solenoid, will it turn over?

#5 motobreeder OFFLINE  

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Posted February 08, 2012 - 01:16 AM

Does it have the "thunk" or any sound like the starter is getting power?

One thought - roll the motor over slowly by hand to make sure that it isn't stuck.
(ignition off - and any other safety rules apply)

#6 Hugh OFFLINE  

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Posted February 08, 2012 - 10:06 PM

Put a (+) jumper cable on the starter and work your way back.

#7 ratnestss16 OFFLINE  

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Posted February 12, 2012 - 11:42 AM

Put a (+) jumper cable on the starter and work your way back.


The motor is turning over fine if I use the jumper cables or bypass the solenoid with a screwdriver, but it has no fire now. I have disassembled my wiring harness to check if everthing is good, put it back together and still nothing. So what else could it be from there back? Solenoid and switch have been replace also.

#8 MH81 ONLINE  

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Posted February 12, 2012 - 12:03 PM

Do you have a spare OEM Switch? Kinda sounds like it may be a problem there.

on your's, what engine is in it?

#9 Delmar ONLINE  

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Posted February 12, 2012 - 12:11 PM

is that a tecumseh 16 hp or a onan 16 hp? if it is an onan, when the key is on is there power to the coil? to the points? maybe got wire backwards on key switch or coil? is points wire grounding out? got a bad condensor? is the condensor grounded? blow a fuse? I guess the voltage regulator could be bad, but I think that is more for charging your battery by keeping the voltage level constant in the electrical system when the tractor is running. I could be wrong, I ain't an expert. if ya can't find a manual for it here, try the website www.stripmine.org/sears has many different manuals for our beloved tractors, the old sears. you might try going there, click on tractor manuals, then sears manuals, then look up your tractor number (917.xxxx) there will be a elec. diagram, and a troubleshooting section for your tractor. They are pdf. manuals, ALOT of information there. hope this helps. keep us posted. good luck!

Edited by Jimbobbillyray, February 12, 2012 - 12:20 PM.


#10 GTTinkerer OFFLINE  

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Posted February 12, 2012 - 12:23 PM

The motor is turning over fine if I use the jumper cables or bypass the solenoid with a screwdriver, but it has no fire now. I have disassembled my wiring harness to check if everthing is good, put it back together and still nothing. So what else could it be from there back? Solenoid and switch have been replace also.


Sounds silly but do have the ignition switch in run while jumping the starter?
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#11 MH81 ONLINE  

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Posted February 12, 2012 - 02:05 PM

Never thought to ask that. Been there, done that. LOL

I have a Q, is that the OEM Switch?

If it's a techumseh, you might want to try taking off the kill wire from the engine. It could have a short or the switch may be bad.
On the smaller Techs, its the little screw on the front LH corner of the engine with 2 wires under it.

#12 ratnestss16 OFFLINE  

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Posted February 13, 2012 - 01:11 AM

Finally got it going! My solenoid was not grounded properly,therefore causing it to do nothing. Thanks guys for all the helpful tips!
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#13 ratnestss16 OFFLINE  

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Posted February 13, 2012 - 01:16 AM

Someone was asking what motor, Onan 16 twin.

#14 MH81 ONLINE  

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Posted February 13, 2012 - 02:24 AM

Good to hear you got it running. Bad ground. Note to self, remember that.

Thanks for the update

#15 Delmar ONLINE  

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Posted February 14, 2012 - 11:18 AM

Great! Glad to read you got it going! was it not bolted down or was it some good ol' rust causing the lack of ground?




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