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Author Topic:   fuel tank ground snapped

stefan posted 04-09-2004 05:08 PM ET (US)
While I was cleaning off hull w/ Mary Kate's, ground wire snapped at base where screw is. There is excess wire , so I can just pull thru, and strip and crimp right?
Anything I should know, or do?
thanks guys.

JMARTIN posted 04-10-2004 12:32 PM ET (US)
On my Revenge V-22, there was an extra loop in the ground wire from the tank to the stern. I assume that it is there just for the reason you described. There was an extra two feet or so of wire. Just use what you need and leave the rest for next time.
jimh posted 04-11-2004 12:00 AM ET (US)
If the green insulated 10-AWG bonding conductor has become separated from the grounding anode on the transom, I am sure you can re-attach it if you have some slack. Just be sure to get a good connection. I would solder on a lug to the 10-AWG. You may have to very carefully clean the copper wire to get it to accept solder. If it has been exposed to water--which I am sure it has--it will have a great deal of surface oxidation.
With a ring terminal lug on the wire, you can make a mechanical connection to the anode with a machine screw. I would also carefully clean the surfaces of the ring terminal and the anode to ensure good connection.
Use an ohmmeter to check that there is a good bond between the anode and the wire. Stick the point of a probe into the anode and click a test lead to the other end of the wire.
Once you have a good connection, perhaps a small amount of paint just to seal the connection area would help to keep it from corroding. Don't paint the whole anode; that would defeat the purpose!
David Jenkins posted 04-11-2004 09:15 AM ET (US)
Why do you need a ground wire on a fuel tank? Does this only apply to internal tanks or tanks over a certain size or tanks made of something other than plastic? Is the tank grounded to the battery?
stefan posted 04-11-2004 05:11 PM ET (US)
thanks jim, all done. once again this site is an amazing resource for Whalers.
David, under "General" info, look for the thread on "whatsit?" on the outrage 18'. there's answers there on this topic\
stefan
stefan posted 04-11-2004 05:14 PM ET (US)
sorry dave, it's under this tab, repairs/mod
"whathis" by Cicada
jimh posted 04-12-2004 08:24 AM ET (US)
On the classic Boston Whaler the metallic components of the fuel system are bonded together with a green insulated 10-AWG conductor that terminates in a bronze anode on the starboard side of the transom below the waterline.
This anode has been eliminated on newer hulls and the fuel system is bonded to the battery negative and thus to the engine and its in-water anodes.

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Author	Topic: fuel tank ground snapped
stefan	posted 04-09-2004 05:08 PM ET (US) While I was cleaning off hull w/ Mary Kate's, ground wire snapped at base where screw is. There is excess wire , so I can just pull thru, and strip and crimp right? Anything I should know, or do? thanks guys.
JMARTIN	posted 04-10-2004 12:32 PM ET (US) On my Revenge V-22, there was an extra loop in the ground wire from the tank to the stern. I assume that it is there just for the reason you described. There was an extra two feet or so of wire. Just use what you need and leave the rest for next time.
jimh	posted 04-11-2004 12:00 AM ET (US) If the green insulated 10-AWG bonding conductor has become separated from the grounding anode on the transom, I am sure you can re-attach it if you have some slack. Just be sure to get a good connection. I would solder on a lug to the 10-AWG. You may have to very carefully clean the copper wire to get it to accept solder. If it has been exposed to water--which I am sure it has--it will have a great deal of surface oxidation. With a ring terminal lug on the wire, you can make a mechanical connection to the anode with a machine screw. I would also carefully clean the surfaces of the ring terminal and the anode to ensure good connection. Use an ohmmeter to check that there is a good bond between the anode and the wire. Stick the point of a probe into the anode and click a test lead to the other end of the wire. Once you have a good connection, perhaps a small amount of paint just to seal the connection area would help to keep it from corroding. Don't paint the whole anode; that would defeat the purpose!
David Jenkins	posted 04-11-2004 09:15 AM ET (US) Why do you need a ground wire on a fuel tank? Does this only apply to internal tanks or tanks over a certain size or tanks made of something other than plastic? Is the tank grounded to the battery?
stefan	posted 04-11-2004 05:11 PM ET (US) thanks jim, all done. once again this site is an amazing resource for Whalers. David, under "General" info, look for the thread on "whatsit?" on the outrage 18'. there's answers there on this topic\ stefan
stefan	posted 04-11-2004 05:14 PM ET (US) sorry dave, it's under this tab, repairs/mod "whathis" by Cicada
jimh	posted 04-12-2004 08:24 AM ET (US) On the classic Boston Whaler the metallic components of the fuel system are bonded together with a green insulated 10-AWG conductor that terminates in a bronze anode on the starboard side of the transom below the waterline. This anode has been eliminated on newer hulls and the fuel system is bonded to the battery negative and thus to the engine and its in-water anodes.