Home › Forum › Ask A Member › 1993 Johnson 9.9 no spark › Re: 1993 Johnson 9.9 no spark
May 21, 2017 at 3:09 am
#58083
The later motors have a dual coil which has both coils in one unit. You can just swap the primary leads to see if spark follows the input from the pack or if the same coil still fires. If the same coil still fires it is the coil unit. If the same cylinder still fires it is the pack.
Dan in TN