Hello all new comer here. This is gonna be a lengthy post. I have an XR 4046 shuttle tractor. Was using it lightly a few weeks ago and it just died. Turned key off and tried to restart and it wouldn’t crank or show glow plug symbol on dash. Realised the fuel pump wasn’t running so we hot wired it and jumped the starter to get it back to the barn. I have checked or cleaned all grounds and fuses as well. Battery load tests good. I worked the key back and forth pretty aggressively the other evening and fuel pump would work at times and tractor would maybe start or sometimes the starter sounded as if the battery was week but I know it’s good. I have ordered a new key switch but what else could I be missing. When I turn the key to the first position the only lights on the dash are battery and parking break. Thanks