mikecoachusa Posted November 21, 2014 Report Share Posted November 21, 2014 I need to replace the PROM in my 90 regal custom coupe with the 3800. where can i get a PROM? these are discontinued. Can i just get an ECM from a junkyard that is engine and year matching and plug and play?? Quote Link to comment Share on other sites More sharing options...
Twinpilot001 Posted November 28, 2014 Report Share Posted November 28, 2014 Yes =sxactly & ebay has them used too. Quote Link to comment Share on other sites More sharing options...
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