Does it have a battery charger?

J

Jon Boat Jim

Petty Officer 3rd Class
Thread starter
Joined
Mar 19, 2011
Messages
75
Does my 1990 Johnson TJ25ELESE 25hp Outboard have a charging system? I installed a voltmeter and I get no indication that the battery is being charged while under way.
 
B

bruce--69

Cadet
Joined
Jul 12, 2011
Messages
14
Re: Does it have a battery charger?

Yes it does. Its not a large charging system, but enough to keep the battery charged. There is a rectifier on the side of the engine which more than likely is bad. Before doing anything put a handheld multimeter on the battery before you start it, note the voltage, run the engine at high idle for a minute, and you should show a higher voltage than before you started it.
 
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