Some BX tractors require battery voltage to keep running, and some require battery voltage to shut down in the normal fashion.was told might be bad stop solenoid but it works when powered by battery starter does the same any insights this is a BX23MLB
sounds like it has the shutoff solenoid on top of the engine. If it were on the side, and there is a problem, they usually won't ever start to begin with.
On those (yours, solenoid on top), with the engine off, raise the hood then turn the key on. Watch the shutoff solenoid. Now turn the key off while watching the solenoid. It should retract, which moves the fuel lever to "off". In 10-15 seconds it should then relax the solenoid.
I've seen some solenoids stick in the past and they'll cause exactly what you are describing, to the "tee". This is why I mentioned this.
....and this also assumes that the battery is hot enough to start the engine. A dead battery (jumped) won't work the solenoid very well, if at all, and something else I've seen is people trying to jump the battery off the truck or car or whatever, and expect the alternator to recharge the battery. In a lot of cases it won't. The alternator requires voltage to energize it, if that voltage isn't there it will initially charge but as soon as you take the jumper device (cables, box, etc) off, it will then quit charging. if the battery is dead, replace it.
OK. So did I miss something? I thought you said the starter would not turn the engine over. AND that when running the engine would no shut off....I starved the air to shut it down then won't start has a good battery
OK. So did I miss something? I thought you said the starter would not turn the engine over. AND that when running the engine would no shut off.
How did you determine the battery is good?
IF the starter will not activate when the battery is good, this generally indicated there is an issue with the safety permissive circuit. BUT this circuit generally has nothing to do with shutting the engine off.
Something is not adding up in what you reported so far...please clarify.
I think you best list again what the EXACT symptoms are. You indicate in this post that the starter will not turn over. IF so, that indicates a safety interlock issue.So if it were bad why won't starter turn over? What else is in cicuit between ignition switch, starter solenoid, and stop solenoid ? does anyone have schematics?
I had another brand of tractor that when the fuseable link blew it would do what you describe. My fuseable link looked like this.
Fuseable Link
Here is a pdf of your wiring and checking the shut-off solenoid for a BX23D. If you have the later BX23S, it is considerably different.so if the side block mount stop solenoid has no power it could be a relay that is bad?
Troubleshooting 101 , work from the easiest possible solution to the hardest. Fuesable link blown or intact is really easy to check and replace if needed. Just trying to help the guy out.but does that other brand of tractor use the same type system??? Possibly apples to oranges.....
it wasn't an uncommon deal on the older BX's, GR's, G series, Grand L series, and RTV series with the top mounted shut off solenoid, they worked backwards of the side mounted. The top mount systems applied 12v to shut the engine off; side mount needs 12v to stay running.