Perhaps your glow plug problems and current limiter problems are related? Did it happen after jump starting the tractor? Someone told me that the current limiters are not rated for more than battery voltage on the battery side, so you should not jump start the tractor from a running vehicle. I have not taken the time to review the schematics to verify, and I have my doubts. Did all of your glow plugs burn out at once? All of my tractors have had all good or all bad glow plugs. It seems like at least one of them would still be good some of the time. Perhaps it is voltage related or from over heating the engine?
Ah ha! This is the reason. Glad I search for this here. It may be an old thread, but here is the answer!
Yes, I had to jump start the tractor. Noticed when turning the key to the left, the bulb for the glow plug would NOT light up there after. Took the lamps out and 2 of the 3 were blown. Thought, ok, just the bulbs then. Well, after replacing the bulbs, the glow plugs still didn't kick in.
I did try to jump start with one of those portable packs, but it was just a wee-bit shy of having the Yanmar YM2610 turn over. Thus, I used the vehicle. Bummer folks, wish I had know this from the beginning. Pulling the battery and bench charging would have been best.
For the YM2500/YM2610, the battery location basically can take and group size battery with the posts on top. I found the RV/Marine gel cell group-31 to work really well for now.
Looking at the fuse box, each fuse looks to be in good shape and passes a volt meter continuity test.
Got to now trace the glow plug issue further. It's winter now. The next few days are in the 50s before it drops once again.
