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How to test if your enginebs battery charging system is working or not

trippster

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"How do you test to see if you

"How do you test to see if your engine's battery charging system is working? Not sure if my Battery is re-charging after I start the motor, which takes a few attempts I might add. My battery went dead on me on Saturday and I had to row it back into my boat slip, thank goodness I was only 100ft away from it...lolol
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Oh: 1983 Mercury Black Max 150"
 
"Ryan, test with a volt meter

"Ryan, test with a volt meter (little hand held multi-meter type is great).

Should get about 12.5 volts with the motor off and should rise about 13.5 with the motor running..."
 
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