1990 cad. sedan deville has digital gas and a/c they both went out... on 1990 Cadillac DeVille

they both went out gas went out first slowly now both are out.. it started when i turned on my lights they would go out and nothing worked. now they are out for good... plz help.. thx..

Asked by for the 1990 Cadillac DeVille
sounds like you have 2 seperate issues, seek diag and est. fuel gauge may be fuel tank sending unit a/c could be several issues