I have a New Holland 665 that we use everyday on the farm. The thing runs perfect on a clear day. However for some reason when its damp outside the thing will start normal and run for a second but then die with error 2 and error 3 flashing. Might start running after third or fourth time, might take 20 minutes to start after clearing codes out. Where do you think would be a good place to start looking for problem? Thought might be ground issue have cleaned all 3 grounds look ok. Like I said runs like a top on clear day. Also have noticed seems like when eic is showing battery with key on it will show 5.2 volts you can bet will have problem. Any ideas will be greatly appreciated.
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Start opening up the various connections on the harness looking for corrosion, put dielectric grease on them before re connecting even if they look good. Clean any corroded contacts you find.
Ken
Thanks I've taken all the connections apart and checked before maybe I'm over looking something. However I'll do again and try the dielectric grease.
On a clear day when it is running good lift the seat, open the engine bay and spray a mist of water on the wiring and connectors, one area at a time to see if you can locate the problem that way. When it dies and you restart does it take right off or do you have to repeatedly turn the key till the starter kicks in?