Logic tells us that if you are empty, you need more juice, so power in goes to the empty side of the gauge. You want your tank to be full so wire the tank to the full side. This has worked on any gauge I have dealt with.
1953 Chevrolet 3600 Fried Green T'mater (Vern) In the Stovebolt Gallery Caution: Political Statement Man who runs in front of car gets tired, man who runs behind car gets exhausted.