get great spark on spark board then i put one plug in any cylinder and it kills that sprk on that spark board location!.that spark plug is only a plug ! no high tension wire hooked up to it!,,.really really friken weird! so if i put plugs in all 4 cyls then no spark anywhere!.take them out and i get spark on sparkboard!.yes harness and blk,yellow are discoed....all grounds etc:and double grounds!<br />115 1976 evinrude.complete rebuild,have new power pack and 2 others. all coils are good with ohms, any ideas? could it be sunspots?..arghhh!
