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On 29 Sep 2003 at 20:58, Russ wolfe wrote: > On Tue, 2003-09-30 at 08:14, Jim Adney wrote: > > On 28 Sep 2003 at 20:53, Russ wolfe wrote: > > > > > I am pretty sure it is "Inconel". > > > > What makes you think so, Russ? Did you pick this up from VW or is it just an > > educated guess? > > > I think it is something I picked up at VW electrical school. You learned > a lot of things at the schools that were not on the normal classroom > agenda. Things you learned over a few beers after class. ;=) > Someplace around here, I have an old spiral notebook with a lot of notes > in it. > I did find my gas gage decade test box. A selector switch with a set of > different resistors to be hooked to the gage to test the dash unit. > The tank unit is just a variable resistor. the same as any other tank > unit. The wire just needs to be replaced with a wire of equal resistance > as the orginal wire. The float is just attached to a shunt that runs up > and down on the wire, similar to the wiper on a potentiometer. Whatever wire this was, they appear to be around 100 Ohms when empty. Is that what your box shows for a type 3? That works out to about 100 Ohms per foot. -- ******************************* Jim Adney, jadney@vwtype3.org Madison, Wisconsin, USA ******************************* ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List info at http://www.vwtype3.org/list | mailto:gregm@vwtype3.org