[TR] Fuel gage / sending unit issue - Spit bodied GT6

[aribert neumann]

Dave:
Thanks for the reply.  The gage drops to zero when either wire is removed
from the sending unit.

All:
Any info on sending unit resistance (even from other Triumph lines such as
the TR4, 250, 6) would be appreciated - I am guessing that the same
supplier (Smiths) was used for multiple lines and that the values would be
somewhat similar.

On Wed, Oct 12, 2022 at 7:29 AM DAVID MASSEY <dave1massey at cs.com> wrote:

> What happens when you leave the wire off of the sending unit?  Does the
> gauge still go full-scale or does it read zero?  It could be a short in the
> wiring.
>
> Dave
>
>
>
>
> -----Original Message-----
> From: aribert neumann <aribertn at gmail.com>
> To: triumphs at autox.team.net
> Sent: Tue, Oct 11, 2022 7:46 pm
> Subject: [TR] Fuel gage / sending unit issue - Spit bodied GT6
>
> Greetings all.   Long time since I've posted, my car has, up till
> yesterday, been behaving itself nicely.   Yesterday the driver's door glass
> dropped off of the window regulator as I was trying to wind up the window
> prior to backing out of the garage.  Then later the same day the fuel gauge
> suddenly displayed well past a full tank.  The tank is at about 1/3 to 1/2
> full.
>
> The water temp gauge is reading correctly so I am thinking the bimetal
> voltage stabilizer is OK.  I checked the connections at both the tank and
> gage.  I checked that the ground lead at the tank was grounded.   I am
> measuring about 67ohm across the sending unit terminals.   The Bently
> manual is worthless on this subject - simply stating that there is no
> repair to either gage or sending unit and replacement is the repair
> method.  No resistance values given for empty and full tank.  Frustrating.
> Before I order a fuel tank sending unit, does anyone know what the ballpark
> resistance values might be?   What am I forgetting to check?
>
> TIA.   Off in digest mode awaiting your answers.
> ** triumphs at autox.team.net **
>
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