Don I have a 92 four wins that had the old 5.8 king cobra carburetor version with numerous problems on the engine and out drive . I found a good deal on a nicely rebuilt volvo penta 5.8 efi # on engine is phuece. Can you tell the year from this#? I am having same issue. With some of the wiring not having some of the corresponding connectors on the four winns. The drive and motor mounted in nicely other than have to move the engine motor mounts aft on the stringers. Having said all that I also need som guidance on finding a proper wiring diagram to get this thing fired up and sold! Thanks Kenny