John Deere 420 charge light
Posted March 19, 2011 - 08:15 PM
Posted March 19, 2011 - 09:54 PM
Put a volt meter across the battery and read the voltage. Then start the tractor and see if the voltage rises as the tractor runs.
I have a 316 with the circuit board in the dash. Hate it just like to do things old school. (Volts and Amps)
Posted March 26, 2011 - 08:06 PM