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You are watching: John deere battery light stays on


Have a 318 through the Onan B43G engine that"s no charging the battery.The battery light stays on also at complete RPMs. Battery contact clean. The voltage throughout thebattery is 12.59 volts v the engine/ignition off, through the engine running itis 12.53 volts. Put a 10 Amp charger on the battery appears to expropriate a charge. Ns was said to measure up the AC voltage comes outof the Stator between the two exterior (same fancy wires) on the three wire regulatorand to intend 25Vac – 40Vac. What should the numbers be at what RPMs?What is the part number and where is the regulator mounted at? battery lasts about every 3 years or so and I execute not have actually a spare battery to test with.
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Without ice cream, there will be darkness and chaos!
Olympian Don Kardong 1965 110s, 1966 110, 1967 112, 2001 LT150, 2003 GT245, 2004 GX345, 2006 X320
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Toolcrib,Here is a picture of the TM1590 test procedure for testing the charging system...
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The voltage regulator is top top the engine tin just in front of the fuel pump top top the right side as you sit ~ above the tractor.Chuck
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In your diagnosis do not overlook the reality that you need to have a 12 volt resource at the voltage regulator.You will have actually 2 leads going to the stator and one v 12 volts coming into the regulator.Many times males just emphasis on the the 2 leads worrying the stator and forget all around the battery feed.AJ
90 322,three point,rear pto,H3.locking behind differential.92 322.Sitting stock......for now.2005 GX345,my main mower.

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It was the voltage regulator. Now the battery light never ever comes on.... Even throughout the time as soon as the engine is turn off.
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