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Boat Repair/mercruiser 470 battery
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Question
The 470 seems to take a lot of battery power to turn it over . Someone mentioned adding a second battery in parallel. Is this OK...? Is it a waste of time?
Great idea. When I rig a boat with anything bigger than a merc 5.0, I put in dual batteries. However, a better way to go than just wiring them in parallel is to wire them threw a dual battery selector switch. It is pretty easy to wire up and you can use battery #1 on it's own, battery #2 on its own, or both batteries at the same time. Go to your local dealer and get your second battery, a battery tray, some battery cable that you will need, and ask them about the dual battery selector switch, you will see what I am talking about when you see it. Two batteries is definitely the way to go.
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| Rating(1-10) | Knowledgeability = 10 | Clarity of Response = 10 | Politeness = 10 |
| Comment | thanks for reply, most people bash the mercruiser 470 build but i like the old boat I have . topher | ||
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tyler boehner
Expertise
Basic boat motor mechanics or boat wiring. I can help the most on mercruisers, merc outboards, and johnson evinrude outboards.
Experience
Mercruiser tech. Started working on boat motors three years ago. I have limited shop time under my belt but have proven myself in our shop and am now the shop manager.
Organizations
I have a mercury tech number and a yamaha tech number if you would like, but i don't think that being a certified tech makes you a good diagnostic pro.
Education/Credentials
Three years of see and learn shop time. Two weeks of tech training at Mercuiser school at Springfield. Two update merc schools at Topeka KS. "gotta love George". Tons of "E" skills classes online. Most of my ability to diagnose came from shop time working out problems.
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