I Have A 73 115hp Johnson And It Was Missing The Magneto On Top And I Got A New One And The One I Got Has A Blue Box With It And I Have No Clue How To Wire It Back Up Will The One I Have Even Work. Can Some One Help
An original service manual has a color wiring diagram in the back. You can get an original manual for this engine through Ken Cook Co. in Milwaukee. Ask them if the copy you need is in color.
