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Sold
by simon8201 - 09/09/26 01:46 PM
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Wales
by Joske Vermeule, September 1
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Forums39
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Jun 14th, 2026
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Joined: May 2013
Posts: 26
Just Getting Started
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OP
Just Getting Started
Joined: May 2013
Posts: 26 |
The fuel gauge has stopped working on our 57' +4.
There is 12 volts going in to the gauge and a tad over 5 volts coming out to the sender unit.
Is the gauge faulty?
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Joined: Jan 2012
Posts: 14,976 Likes: 2
Member of the Inner Circle
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Member of the Inner Circle
Joined: Jan 2012
Posts: 14,976 Likes: 2 |
Richard
1976 4/4 4 Seater
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Joined: May 2013
Posts: 26
Just Getting Started
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OP
Just Getting Started
Joined: May 2013
Posts: 26 |
There isn't a voltage regulator in the circuit.
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Joined: Aug 2013
Posts: 3,383 Likes: 14
Talk Morgan Addict
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Talk Morgan Addict
Joined: Aug 2013
Posts: 3,383 Likes: 14 |
If you ground the signal wire that goes onto the sender unit the gauge should read max with the ignition on, if it does and you can get it out remove the sender unit and (a) check float has not dropped off or is full of fuel (b) check by earthing it and moving over the range and see if gauge moves. After that an Ohms meter and check the signal wire is not open circuit. If all the checks are OK all that's left is a faulty gauge I am afraid.
BR Colin
Who used to be a Spanner Juggler
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