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110 Ground Cable Issue


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#1 lesmeister OFFLINE  

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Posted January 14, 2014 - 08:51 PM

I bought a 74 110 and it was not charging, the po had a ground cable running from the frame to the engine mounting plate. I had to remove the engine, but when I installed it back on the tractor I didn't put the ground cable back, and it seems to be charging now. Is the extra ground cable a necessity, what is the purpose of having the engine plate grounded? Any help would be appreciated, thanks.
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#2 johndeereelfman OFFLINE  

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Posted January 14, 2014 - 09:11 PM

I could be wrong here, so don't hold me to this, since I'm more familiar with the round fenders, but I think the ground strap is to supposed to have one end connected to the solenoid and the other end connected to the bolt that holds the right front corner of the fender pan to the frame. Again, could be wrong, but for some reason I remember seeing it this way before. Good Luck! 


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#3 lesmeister OFFLINE  

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Posted January 14, 2014 - 09:39 PM

I forgot to mention that the battery cable on the negative side attaches to the side of the battery box which is where the solenoids and the rectifier also bolt to. It is an electric lift tractor which is the reason I have more than 1 solenoid. You may be correct, I have no idea why it has the second ground cable, or why it was not charging but now it is without the extra cable. Thanks again

#4 pigsitter OFFLINE  

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Posted January 14, 2014 - 10:09 PM

Just took a look at my 216 and it has a ground cable going to the engine and one to the battery box but my 214 has another ground wire going from the engine ground cable to somewhere I can't see to where it goes due to poor lighting this evening,I'll track it down come daylight!


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#5 Trav1s ONLINE  

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Posted January 14, 2014 - 10:12 PM

The ground on my 120 goes directly to the head of the engine.  I have heard of people using additional ground straps between the engine and frame, especially on tractors that have rubber motor mounts.  


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#6 lesmeister OFFLINE  

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Posted January 14, 2014 - 10:19 PM

Thanks everyone for the help, my 110 does have the rubber motor mounts so I can see how it would not be grounded but is it necessary to be grounded and how would it affect the charging system? I am not good at figuring out electrical problems at all, so I appreciate the help.
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#7 Lauber1 OFFLINE  

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Posted January 14, 2014 - 10:53 PM

One of an electrical systems biggest problems is usually the lack of a good earth ground. If it had one originally, then I would put it back before it decides to find it grounding source in some other way.


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#8 lyall ONLINE  

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Posted January 15, 2014 - 12:00 AM

there should be grounding at two points on the GT, if uses a battery

one from the motor and the other to the frame someplace

 

most the electric is to the motor - because of the starer and the coil

the other is for thing like lights and other thing that use electricity

 

and the other reason the frame it grounded so you do not get shocked 


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#9 pigsitter OFFLINE  

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Posted January 15, 2014 - 10:17 AM

Just tracked down the ground wire I mentioned in my earlier post, it branches off the main ground cable at the engine and goes to the connector for the electric pto clutch.

 

I'm wondering if maybe you had a bad connection in the charging circuit somewhere that you unknowingly fixed by removing and reinstalling the engine.Stranger things have happened!


Edited by pigsitter, January 15, 2014 - 10:17 AM.

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#10 lesmeister OFFLINE  

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Posted January 15, 2014 - 05:00 PM

Thanks again everyone for the help, I am going to put the extra ground cable back on and see if everything still works as it is now. I will post what I find out. Thanks again
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