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[Healeys] Fuel Gauge dampener

Subject: [Healeys] Fuel Gauge dampener
From: YNOTINK at msn.com (WILLIAM B LAWRENCE)
Date: Sat, 11 Feb 2017 00:59:19 +0000
References: <20170210.172958.22737.0@webmail13.dca.untd.com>
The gauges with voltage stabilizers work in a different resistance range. You 
would have to change out all of the electrical gauges.


I think the problem with the fuel gauge jumping around may be related to the 
condition of the contacts in the fuel sending unit. Maybe try cleaning those up 
before trying anything drastic.


Bill Lawrence

BN1 #554

________________________________
From: Healeys <healeys-bounces at autox.team.net> on behalf of dwflagg at 
juno.com <dwflagg at juno.com>
Sent: Friday, February 10, 2017 10:29:58 PM
To: michael.salter at gmail.com
Cc: healeys at autox.team.net
Subject: Re: [Healeys] Fuel Gauge dampener

Hey Simon,

The Triumph Spitfires and GT6, I believe, had voltage stabilizers for the fuel 
gauge. Maybe they could be used in a Healey? I would defer to Michael for an 
answer.

Cheers,

Doug

Hi Simon, I  think that keeping any sort of energy storage device well away 
from the fuel gauge circuit is sage advice.
I would suggest that you try this:

http://www.netbug.net/blogmichael/2015/09/06/smiths-and-jaegar-fuel-gauge-solution/
Michael S
BN1 #174




Hi,
I?d saved something relating to damping the fluctuations in my fuel gauge. I 
don?t recall if it was originally posted here or if I trawled it off the net. 
I?d made a few notes and filed it appropriately against some day in the future 
when I might get round to actually doing it.
So, my nephew?s fuel gauge bounces around far more than mine and this prompted 
me to dig out the article/notes.
First off, I agree that there?s no sense in putting the capacitor anywhere near 
the fuel tank.
Having said that, I read the advice that I?d stored so carefully and began to 
wonder if I?d understood it correctly.
Is the capacitor really supposed to be wired across the two terminals on the 
gauge? Would it have any effect? To put it crudely, but in the language that I 
can understand, wouldn?t the fluctuations still come down the Green/Black wire 
from the sender unit and hit the gauge?s terminal T? And wouldn?t those 
fluctuations still register as such on the gauge, totally unaffected by the 
capacitor?
Shouldn?t the capacitor be wired in such a fashion that the fluctuations cannot 
bypass it?
Maybe I?m over complicating things and should just try it without understanding 
it. Maybe I think too much.
Simon


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