POWERTECH™ 2.9 L OEM Diesel Engines - John Deere Industrial ...

TroubleshootingElectrical TroubleshootingSymptom Problem SolutionUndercharged system Excessive electrical load from added Remove accessories or install higheraccessories.output alternator.Excessive engine idling.Poor electrical connections onbattery, ground strap, starter, oralternator.Defective battery.Defective alternator.Increase engine rpm when heavyelectrical load is used.Inspect, clean and tighten asnecessary.Test battery.Test charging system.Battery used too much water Cracked battery case. Check for moisture and replace asnecessary.Defective battery.Battery charging rate too high.Test battery.Test charging system.Batteries will not charge Loose or corroded connections. Clean and tighten connections.Sulfated or worn-out batteries.Loose or defective alternator belt.See your authorized servicing dealeror engine distributor.Adjust belt tension or replace belts.Starter will not crank PTO engaged. Disengage PTO.Loose or corroded connections.Low battery output voltage.Faulty start circuit relay.Blown fuse.Clean and tighten loose connections.See your authorized servicing dealeror engine distributor.See your authorized servicing dealeror engine distributor.Replace fuse.Continued on next pageRG,RG34710,5093–19–30JAN98–1/250-12 060106PN=128