PTO Light ON and Won t Start: New Holland Tractor Review  -- New Holland Tractors Discussion Forum and Review PTO Light ON and Won t Start: New Holland Tractor Review -- New Holland Tractors Discussion Forum

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 06-23-2010, 14:10 Post: 171756
dsmerza



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Location: Fowlerville, MI
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 PTO Light ON and Won't Start

I checked the harness to the PTO switch and it was Fine. I found the associated fuse was blown. I replaced the fuse and it blew again. This happened with or without the PTO switch installed.

Any help is appreciated.






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 06-23-2010, 19:03 Post: 171769
earthwrks

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 PTO Light ON and Won't Start

These New Hollands are frought with electrical issues. Could be a diode which is located under the righthand cowling, or a pinched wire. Diodes look like a black rubber two-wire trailer hitch connector. About $15 from dealer or 50 cents from Radio Shack if you want to diasassemble the diode---my skid steer was eating these so I found a easy and cheap way to fix it. BTW the reason my was blowing diodes was the reversing lever's "2-speed" switch connector became disconnected enough that it would draw too many amps and blow it.






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 06-25-2010, 08:56 Post: 171820
dsmerza



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 PTO Light ON and Won't Start

Thanks for the info. I pulled one diode out of the circuit and the issue cleared. I still have to get a replacement part, but the fault was found.

Again thank you for the help.






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 10-27-2010, 15:14 Post: 174796
dsmerza



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 PTO Light ON and Won't Start

Just an update.

The problem cropped up again with the diode out. Fuses were popping and when they didn't the tractor would not start.

I checked the battery voltage and it was 9.8V no load.

Battery replaced and all is well with the diode in place.

Theory:

The battery voltage was so low the starter was pulling a ton of current, enough to pop the fuse. now with a new battery current through the circuit is within the fuse range.






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Discussion Boards > Active Subjects > Messages as Posted > New Holland Tractor Review Forum

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