Alternators power the small engine while it is running, keeping the battery charged by circulating power back through the system. For the easiest alternator test, simply turn on the headlights to your lawn mower or outdoor power equipment.. If the lights dim, the alternator works. If not, it doesn't.
This is a guide about riding mower battery won't hold a charge. How can. I have a MTD Pro 15.5 hp riding lawnmower that will not stay charged. The battery is .
If the battery cables are broken, frayed, or corroded, the lawn mower will not adequately charge the battery. Likewise, the battery cannot provide enough electrical current to start the lawn mower. Since either condition may mimic a bad battery, inspect the battery cables for damage and replace if necessary.
If a lawn tractor battery will not charge, the issue may be with the engine, diode. These wires need to stay properly insulated to stop any moisture or debris from .
Typically, riding mower batteries hold a charge well for three to four weeks when the mower is not in use. An older battery that no longer stays charged for as .