The ECM and (i suspect) PROMS on this Caddie need replacement. It's a 368 cu.in. with V8-6-4 displacement. The label on the ECM faded and i'm unsure about the part number. The PROMS have numbers 7067KC and 7068KC. I'm told that there are more than one generation of ECM available and that not all are compatible with the vehicle. Could someone PLEASE advise about the correct part or replacement numbers for the ECM and the PROMS??