MarkMuzzy
06-16-2010, 04:04 PM
What is the major differences between these 2 ECU's and can they be interchanged? Also, have the A9 on a 1998 Mariner Magnum 175 EFI according to parts list is suppose to be a A25 or A28, any problems? Also the A30 came off a 200 EFI motor, can it be used on the 175? Thanks