[DML] Re: Fuel Guage

["Nick" <nicholden@xxxxxxxxx>]

Hi Guy's,

Thankyou for the responces.
Seeing as though i am doing so much other work on my car i have 
decided to have a custom dash and cluster manufactured to suit my RHD 
conversion. In turn i am going to purchase new guages and had a 
choice of ohms ranges on fuel guages. 

Cheers, Nick - Sydney


    Posted by: "mike clemens" rmclemns@xxxxxxxxx rmclemns
    Date: Mon Feb 26, 2007 9:24 am ((PST))

Hello Nick,

I measured the resistance in my fuel float and came up
with the following numbers:

Full tank----------100 ohms
Half full tank----- 60 ohms
Empty tank---------  6 ohms

Please note that you should never get a reading of
zero ohms.  The reason is the design of the float and
the resistive wiring used to transmit the voltage. 
Even with the float bottomed out, there is a small
portion of wire on the very bottom that is used to
connect the contacts together and it is always being
measured.

On a side note, the low fuel light comes on when the
float bottoms out.  This indicates there is about one
inch of fuel left in the tank or 1.3 gallons/5 liters.

Hope this helps you out.

Mike




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