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Fuel gauge late is full

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syol
Rust Hunter
Posts: 157
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Fuel gauge late is full

Postby syol » 18 Feb 2019 19:13

the fuel gauge always indicates full, I change the gauge of the tank, change the gauge of the dashboard, always the same result.
Do you have an idea ?

Thank you
TR8 V8 3,5L 1980
TR7 DHC 2.0L 16s
3 tr7 DHC 2.0 L 1980
TR7 FHC and sunroof 1981
http://www.tr7.fr

Cobber
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Re: Fuel gauge late is full

Postby Cobber » 19 Feb 2019 01:38

Maybe its just optomistic........ :lol:
It will have to be a problem with the wiring.
"Keep calm, relax, focus on the problem & PULL THE BLOODY TRIGGER"

'80 Triumph TR7, '73 Land Rover (Ford 351. V8),
'97 Ford Falcon Longreach 'S' ute,
'98 MG-F, '69 Ford F250.

Rich K
Rust Hunter
Posts: 145
Joined: 08 Aug 2015 18:04
Location: Worcester, United Kingdom

Re: Fuel gauge late is full

Postby Rich K » 20 Feb 2019 19:54

Hi, it could be due to a break in the green and black wire that runs from the sender in the tank to the fuel gauge. Check the continuity of this wire. It is also possible (although unlikely) that the new gauge is also faulty.
1980 TR7 drophead now repainted and awaiting V8 upgrade
1977 TR7 fixedhead awaiting restoration
1981 TR7 drophead awaiting restoration
Ford Ranger Wildtrak

skertonman
Scuttle Shaker
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Joined: 31 Aug 2015 18:49

Re: Fuel gauge late is full

Postby skertonman » 20 Feb 2019 21:27

Wire that goes to sender unit shorting to earth somewhere, that would be my guess.

Only trouble now is finding out where, I would start at the back (tank) and work forward.

syol
Rust Hunter
Posts: 157
Joined: 08 Nov 2007 11:46
Location: France
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Re: Fuel gauge late is full

Postby syol » 24 Feb 2019 09:02

Hello, thank you for your answer, I tried to put the ground wire directly to the battery ... I always have the same result
TR8 V8 3,5L 1980
TR7 DHC 2.0L 16s
3 tr7 DHC 2.0 L 1980
TR7 FHC and sunroof 1981
http://www.tr7.fr

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