New Holland Tractor TL100A. Put in new battery in Feb. Won't go forward or backward..no insturment panel
Have had to jump start it several times even after that. I jumped it yesterday, it startedm, but the tractor will not go forward or backwards, the instrument panel and radio will not come on. Mechanic checked the fuses and relays and wires. All fine. What could the problem be? computer fuse to computer???
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Check connections at battery, starter solenoid and starter motor, make sure they are clean and tight. Check the both ends of ALL wires. Check starter is not jammed. Check starter mounting bolts are tight. Make sure battery is good by using jump leads from known good battery (like your car).
May have a blown main fuse or several fuses. The larger main fuse can be located around the battery and even sometimes in the fuse panel. Hooking up the jumpers backward may have also cause electronic damage to things like the ecm, ignition modul etc. If the damage is electronic is may be major so carry it to a shop and let the shop look at it.
Sounds like a bad starter. Try giving it a few good taps while turning the key. Sometimes they can get warped and get stuck. Had to start my car for weeks doing this till I could afford a new one. Could also be the solenoid too but im not sure if it would even click if that was bad. Good luck.
Had same thing happen on my New Holland 1630. Took the buss bar off the glow plugs and pulled them out and tested with test leads on the battery. They glowed. Put a volt/ohm meter on the buss bar and turned the key to glow position, no 12 volts present. Checked for blown fuse, nothing blown. Looked at relays. There was a glow plug lamp timer next to the start relay. Wiggled wires going to timer while asking for glow with key. Saw the glow lamp flicker. Took timer out and opened it up. Found a broken solder joint on circuit board resulting in a loose capacitor. Soldered the crack and put back on tractor. That was it! Glow plugs work now.