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Ground Wire Between Both Motors

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Old 05-31-2011, 05:33 PM
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Default Ground Wire Between Both Motors

Should you have a ground wire run between both motors grounding both motors together?
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Old 05-31-2011, 05:48 PM
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The battery grounds are doing the same thing. another wouldn't hurt, but probably wouldn't help either.
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Old 06-02-2011, 12:10 PM
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If you have "1-Both-2" battery switches that allow you to power either engine with either battery, you must have a heavy-gauge ground connection between the engines to carry the starter current. That being said, some boats use a grounding/bonding plate where all the battery and engine grounds come together. That will serve the same purpose.
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Old 06-02-2011, 01:56 PM
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Quote:
Originally Posted by Steve H View Post
Interesting
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Old 06-02-2011, 02:18 PM
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There's a law for this?
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