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Grounding aluminum fuel tanks

Quicksilver

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Over the winter I installed two aluminum fuel tanks in my boat. I was wondering what size/ gauge wire to ground the tanks with? I have been reading that the aluminum fuel filler necks should be grounded as well. I was going to ground them to the tanks and then ground the tanks and fuel/water separator to the engine. Any advice you guys can offer to get my boat up to code before I get it out this year?
 

CampbellCarl

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Good plan. I don't think that you need much wire size, maybe 14-16 guage. And yes, fillers to tanks then tanks to block.
 
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