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Fuel Fill Ground Wire

Printed From: CorrectCraftFan.com
Category: Repairs and Maintenance
Forum Name: Boat Maintenance
Forum Discription: Discuss maintenance of your Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=40765
Printed Date: November-16-2024 at 7:39am


Topic: Fuel Fill Ground Wire
Posted By: trice
Subject: Fuel Fill Ground Wire
Date Posted: March-28-2017 at 11:25pm
The original fuel fill in my 87SN was removed and replaced with a black plastic one of larger diameter. I'm installing a new SS fill similar to the original. Question: I have a lone 14 or 16 gauge black wire that looks to be a dedicated ground wire for the fuel fill. I haven't traced it, but the wire runs toward the front of the boat with the sending unit wires and anchor light wires. Is this the ground wire for the fill? Do fills need to be grounded and to where? I have the dash wire diagram, thanks CCF! Anybody know where I can get a diagram of the rest of this boat's electrical system? Thx.

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87 SN



Replies:
Posted By: 8122pbrainard
Date Posted: March-28-2017 at 11:31pm
Thomas,
Yes, you need a ground at the sender. It's the ground source for the gauge. The gauge itself has the + feed. Ohm out or trace the wire you found to make sure it goes to the engine block

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/diaries/details.asp?ID=1622" rel="nofollow -

54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
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Posted By: trice
Date Posted: March-28-2017 at 11:58pm
Peter,
I believe my sending unit is already properly grounded. Unfortunately i don't have any gas in it to tell if it's working properly. I have powered the system with battery and the fuel gauge moves to the empty indication. What about grounding the SS deck fuel fill? Did the original rear wiring include a ground wire that was connected to the deck fill? Thx.

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87 SN


Posted By: Gary S
Date Posted: March-29-2017 at 12:09am
Yes the filler needs to be grounded to eliminate static electricity.

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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport


Posted By: 8122pbrainard
Date Posted: March-29-2017 at 6:27am
Originally posted by Gary S Gary S wrote:

Yes the filler needs to be grounded to eliminate static electricity.


Thomas,
Sorry, I sure misread the question. It was a long day for me. Gary is correct.

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/diaries/details.asp?ID=1622" rel="nofollow -

54 Atom

/diaries/details.asp?ID=2179" rel="nofollow - 77 Tique

64 X55 Dunphy

Keep it original, Pete
<


Posted By: Duane in Indy
Date Posted: March-29-2017 at 7:43am
A good habit to get into is grounding the fuel nozzle to the filler neck BEFORE unscrewing the filler neck cap. Any static discharge is done with the fuel fill still closed.

This is important enough that aircraft require a retractable static cable attached to the fill station and then an alligator clamp to afix to the airplane before refueling. Then ground nozzle using procedure above

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Keep it as original as YOU want it
        1978 Mustang (modified)



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