Go BottomTC55DA with a burned wring harnis
 | gentfarmer
Join Date: Jan 2010 Posts: 4 Missouri, Osage County 
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2010-01-16 168082
My TC55DA developed a hot seat the other night with the wiring harnis catching fire. The fuse did not blow and the wires kept shorting out. With the safety switch on the seat burned, the tractor will start but will not move ( the engin will die when put into gear.) Replacement of the wiring harnis will cost close to $500.
Is there any manufacturing issues with the TC55DA in the wiring area? What do I need to look forward to in the future with this problem?
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 | auerbach
Join Date: Sep 2007 Posts: 2168 West of Toronto 
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2010-01-17 168106
I think you'll find other posts here about NH's design flaws and NH's refusal to make it right. Unless yours is nearing the end of its service life anyway, I'd try anyway, then see a consumer-law practitioner. ....
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 | oneace
Join Date: Mar 2004 Posts: 1490 south central pa 
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2010-03-19 169373
there are not many if any regular electrical problems with the ops on a tc55. What you can do is trace the wires back to where they are good and splice the two together. Your ops will no longer be functional but your machine will run. You have to be extremly carefull bucause if you fall off the tractor it will not stop. ....
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 | kthompson
Join Date: Oct 2005 Posts: 5275 South Carolina
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2010-03-19 169380
oneace's warning about falling off the tractor can be real. Lost a friend who some how fell or was knocked off of his and ended up being squeezed to death by one of the wheels. It did not run over him but pressed his chest enough he could not breath. I also heard of a farmer who for some reason realized he was falling off the seat due to a health issue or insect sting or such while he was disking. He was alert enough and able to raise the lift so the disk cleared him he was pulling. He must have been skinner than me. ....
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| oneace
Join Date: Mar 2004 Posts: 1490 south central pa
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2010-07-05 172085
I was thinking about this one for a while and some thing is bothering me a little. The switch under the seat is only a two wire switch that is normally open. It has 12vdc going in and when you sit on the seat the switch closes and you get 12vdc coming out. They also have corrugated plastic sheathing on them up until about 1/2" to the switch. So how did the seat catch on fire. The wires are only maybe 16awg. IF one shorted out on the frame or some where else. IF for some unknown reason the fuses failed to blow. It would take a LONG LONG time for that small of a wire to get hot enough to burn. The copper in the wire would melt apart and at that point the circuit would be broken essentially stopping the tractor in its tracks. If this DID happen and you did not smell it before that point you have a serious problem and should be seen by a doctor. So there has got to be some thing else behind this, what it is we may never know. ....
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| hardwood
Join Date: Dec 2002 Posts: 3583 iowa
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2010-07-05 172087
I'm not much of an electrician, but knowing what burned the first harness comes before buying a new one. I cooked one on a Deere once that was real pricey from them, but I learned later that an aftermarket one was half or less. I did it one wire at a time to keep from getting mixed up but even I could do it, amazing. ....
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| gentfarmer
Join Date: Jan 2010 Posts: 4 Missouri, Osage County
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2010-07-05 172088
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| gentfarmer
Join Date: Jan 2010 Posts: 4 Missouri, Osage County
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2010-07-05 172089
I had to replace the whole wiring harnise. The dealership came out an installed the harnise.
The problem has not come about again. I did however change the witing of three holigen lights that each had 55 watts draw. I have directy wired to the battery a separate fused circuit for these lights. To eliminate any possible problem, I have also installed a sepatate dedicated switch for these lights.
The best I can figure was that I wired into the circuit too much load and the wiring harnise was not rated for that much current. ....
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| kthompson
Join Date: Oct 2005 Posts: 5275 South Carolina
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2010-07-05 172101
I would think three 55 watt lights would be more than the factory harness is rated for...but the fuse still should have blown as it would have been sized for the wire. Just wondering, when the lights were first installed did the fuse blown and a larger one installed? May not have been you who did it but if you allowed someone else to use your tractor they could have.
Oneace, have a friend who can not smell. No sense of smell at all. ....
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