...because the gauge is powered byt he battery as well as using it to generate a reading. The gauge has obviously been designed properly such that it makes sure to adjust based on supply voltage. The actual sensor is a resistor to ground which changes with temperature. Martin drdhdmd wrote: > >Can anyone explain to me why the voltage at the water temperature >sender varies with the battery voltage but the reading on the water >temp gauge itself does not seem to be affected by the battery voltage? > >Thanks, > >D² & 6530 > >ps I just had a great time getting together with all of the fellow, >DeLorean Mid Atlantic Club members. Thanks to you all! > > > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/