Hello all. Trying to narrow down an intermittent stalling issue on my 1985 mercruiser 120. It is on a houseboat and idles fine all day with the exception of this symptom. When docking there is a lot of shifting into reverse, neutral, forward etc. every once in awhile it will die when being put into gear while trying to get into the slip. Starts back fine but sky repeated shifting will cause it to stall going into forward. My first guess would be the shift interrupt switch? I’m going to check the cables when I am at the boat this weekend but wanted to see if anyone else has dealt with a similar issue