a) Low electrolyte level. b) Short circuit between polar plates. c) Sulfitation of polar plates. d) The generator or charging relay is not working. e) Poor contact in the wire connection
a) Add electrolyte to the required level. b) Clean deposits, change electrolyte and replace spacers or polar plates. c) Charge several times to remove sulfur. d) Restore the generator. e) Check the wire contacts and fix the problem.