Hi, I have a 1973 Mercury 650 3 cyl. I believe the coil is bad on the motor. When I took it off I noticed that there was a wire wrapped around the coil and taped, that was not hooked-up. I also noticed on a new one I was looking at that it had the same wire wrapped around the coil and taped...
Hi, I have a 1988 135 Black Max Mercury. It seems to be a little sluggish lately. I put an inline spark tester on each cylinder and did some test. Cylinders 1, 3 and 5 produce a visible spark while cylinders 2, 4 and 6 do not. I thought that I might have a bad SwitchBox so I swapped the two...
