I would use jumper cables to battery. That should tell you if battery is weak. If it still didn’t spin up go around and check all the connections at battery and starter.
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I just pulled my boat out and put the battery back in and tried to start it up. I can see the starter spinning but not enough juice to engage and turn the flywheel. Can I just pull it out and use jumper cables to see if the problem is in my battery or cables?
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X2 , how old is battery. If you can load test to see, if not pull battery and charge and take to local auto parts store.
pg3 LIKED above post
If the battery checks good do a voltage drop test to pinpoint the problem. With all the electrical problems boats have, this is a test everyone should know how to do. It can save you a lot of frustration and money.
Now, go to the store and buy some dielectric grease, remove those connections you just tightened, clean all surfaces, apply dielectric grease, and reconnect. If they were that loose, you probably have some corrosion and bad connection points that will cause you issues down the road. A little work now will save you later!!
Yes sir, An ounce of prevention is mo' better than that headache and lost time later....
Proud to have served with and supported the Units I was in: 1st IDF, 9th INF, 558th USAAG (Greece), 7th Transportation Brigade, 6th MEDSOM (Korea), III Corp, 8th IDF, 3rd Armor Div.
1980 Ebbtide Dyna-Trak 160 Evinrude 65 Triumph