Join Date: Jun 2020
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Briggs and Stratton Charging Issue
I have a question regarding the charging system of my 20hp engine. It has a 2 wire system, when I plug in my Fluke meter to the two wires it produces 24.3 volts. When I test for ac voltage its around 14 volts. But the battery is only 12.6V D/C and slowly dying when in use.
There is not a voltage regulator on this mower, and its a replacement for the old Kohler 19hp.
I just bought this lt1045 used a couple weeks ago and the guy failed to mention this issue. So I purchased a new battery per his advise, no luck.
What could possibly cause this engine to not charge my battery? I thought maybe a bad stator but it seems ok. Maybe I missed a quick test to do.
Stamped engine number is 31P977
Any and all help, advice and criticism is appreciated.