Hi, My 5.7L mercruiser is not getting any spark. replaced the coil and still nothing. based on everything that i have tested and read all things lead to the ignition module. I took it off and it looks like it has been replaced before since it does not say thunderbolt IV on it. all it has is 807264-2 5.7 alpha sticker. and then some other brand japan numbers. I tried searching on here and googling part number 807264-2 and cannot find anything. I can search on marine parts websites and based on my engine it comes up with 805361t6. is this right? can I get this ignition module tested at an auto parts store?