Chris2012 Posted November 18, 2013 Report Share Posted November 18, 2013 I understand the prom module has to be swapped out. But to what extent do all those numbers on the sticker have to agree? The basic part number agrees on the replacement unit (top line, numbers to right). Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted November 19, 2013 Report Share Posted November 19, 2013 what numbers are you seeing? it will largely depend on application. Quote Link to comment Share on other sites More sharing options...
Chris2012 Posted November 19, 2013 Author Report Share Posted November 19, 2013 what numbers are you seeing? it will largely depend on application. Serv. No. 01227727 is shown on both ecm's. My car is a 1992 Lumi 3.1 mpfi Are the other numbers or whatnot on the white sticker relevant? I would just post the pictures but I'm having issues... Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted November 19, 2013 Report Share Posted November 19, 2013 1227727 is the ECM model number, so yes, as long as those match, they'll work. Quote Link to comment Share on other sites More sharing options...
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