D'oh. I just dawned on me. I should have included it in my earlier post. Also a part of the resistor grid may be dead. Had a '99 Grand Cherokee that had a dead spot in the grid. The fuel gauge would read fine from full to just above a half tank, then quit reading until the fuel level dropped just below a half tank. But when it was in that dead zone. The gauge would read empty. Thinking about how the Z grid could be. The dead zone could be from where it stops reading to full dot.
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