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Post by tsenator on Apr 26, 2019 22:25:22 GMT
Just a note of caution. I am not sure everyones boat is the same, but this is a piss poor way to design the fuel gauge for a boat.
on my 2003 Jeanneau 43 DS It just so happens that to read the fuel level in the cockpit on the Yanmar Panel (B Panel if anyone is wondering) you have to hold a switch up. That is fine even though all my other boats always showed the fuel level - no requirement to hold a switch up.
But the BIG ISSUE is that if you blow the little "in line fuse" (happens to be 0.25 Amps) in line coming from the fuel tank (which sits right on top of the fuel tank) then when you flick the switch to read the fuel gauge it reads FULL !!
So a blown fuse will make the fuel guage always READ FULL ! Thats totally stupid -- when there is a blown fuse or failure the guage should GO TO ZERO and not read anything. In this case its just the opposite .
So a blown fuse can make you think your fuel tank is FULL -- Crazy !
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Post by Trevor on Apr 27, 2019 11:52:56 GMT
Hi tsenator,
It certainly sounds like a design that could lead to running out of fuel pretty easily!
Trevor
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Post by andreshs1 on Apr 27, 2019 11:58:13 GMT
thanks for the heads up
worth checking!
cheers
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Post by geitz on Apr 27, 2019 12:47:47 GMT
One could add an indicator lamp to the circuit. Hold the switch and if the lamp doesn't light, you have a blown fuel sending unit fuse. Maybe a green LED?
Mike
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Post by rob57 on May 13, 2019 21:50:07 GMT
This is exactly the problem I have so thanks for your post! Where's the inline fuse please?
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Post by tsenator on May 16, 2019 16:48:05 GMT
This is exactly the problem I have so thanks for your post! Where's the inline fuse please? The inline fuse is right on top of the black fuel tank under the main salon floor . Just lift up that floor board. You will see electrical wires there with a small yellow in-line fuse holder-- I think its only about 0.25 amp fuse.
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Post by tsenator on May 16, 2019 16:49:03 GMT
Hi tsenator, It certainly sounds like a design that could lead to running out of fuel pretty easily! Trevor Yes Trevor -- you could say so ..... don't ask me how I know  lol
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Post by colinnz on Jun 25, 2019 6:47:42 GMT
Hi all.
My gauge reads full when the switch is down. Shouldn't be full (not far off though). Looked for fuse on top of tank but no joy. I assume I just follow the sender leads 'somewhere'. Any other locations I should look?
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Post by tsenator on Jun 25, 2019 16:17:44 GMT
Hi all. My gauge reads full when the switch is down. Shouldn't be full (not far off though). Looked for fuse on top of tank but no joy. I assume I just follow the sender leads 'somewhere'. Any other locations I should look? Yeah -- I guess you will have to "trace" it down, Not sure what other locations it would be .
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lol