I use the '91 DeVille diagrams for all 4.9 conversions, the Seville diagrams are shown to reference the differences.

'91 DeVille

connector pinouts 1  2

connecting diagrams 1  2  3   4

'94 Seville/Eldorado

connector pinouts  1    2

connecting diagrams 1   2  3  4

in/out flowchart  1

diagnostic code list  1

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