85 Merc 115 inline outboard electrical problem

[Dmunch]

Top cylinder not firing. All the other 5 are. The ignition coil and wire on top cylinder are good. What the next possible problem....Stator, trigger plate or one or both of the switch boxes?

 

[Faztbullet]

Re: 85 Merc 115 inline outboard electrical problem

If one cylinder is not firing its usually a bad switchbox, swap positions of boxes and see if problem follows....

 

[Dmunch]

Re: 85 Merc 115 inline outboard electrical problem

Thanks, I will see if that works

 

[Dmunch]

Re: 85 Merc 115 inline outboard electrical problem

To swap the boxes, can I swap the red & red/ white and blue & blue/white wires?

 

[Faztbullet]

Re: 85 Merc 115 inline outboard electrical problem

just flip trigger leads, the # 6 cylinder should not fire , engine will not start as firing order is reversed

 

[Dmunch]

Re: 85 Merc 115 inline outboard electrical problem

I flipped the power leads and the top cylinder is still not firing. Is it a bad switchbox or stator?

 

[Dmunch]

Re: 85 Merc 115 inline outboard electrical problem

Just so I have this right and don't waste a bunch of money, I swapped the blue, red and black wires. Is that right or are the power leads the brown wires?