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Re: Fuel Universal Sender

To: Spridget <spridgets@autox.team.net>
Subject: Re: Fuel Universal Sender
From: Chris K <ckotting@wideopenwest.com>
Date: Fri, 23 Jun 2006 10:37:22 -0400
Uh, no.  Resistance doesn't give a flip about polarity, unless you're 
measuring a diode.  Jim is right about one thing, though.  An ohmmeter 
will tell you for sure. 

Throw an ohmmeter between the terminal and the body of the sender and 
move the float arm.  "Up" = "Full"  See what number you get.

Chris K.

Jim Johnson wrote:

> On 6/22/06, Larry & Sandi Miller <millerls@ado13.com> wrote:
>
>> On the universal fuel tank senders the ohm range is 240-33. Anybody 
>> know if
>> the 240 is full or empty?
>
>
> Technically, I suppose it depends upon if the car is Neg or Pos
> ground. It is a simple rheostat. Therefore changing the direction the
> current flows through it will reverse the operation of the rheostat.
> Now that I've muddied the water, I have no idea if the greater
> resistance is full or empty!  Put an Ohm meter across it and you'll
> know.




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