Yes, with the engine running, then you connect the plug in to the distributor and to 12 volts and it stops running. And there is only one way it can plug in.
Okay I have a 1998 bay liner ciera with a 5.7 l bravo 3. The icm went on it. Mercruiser doesn’t make that icm anymore. But they gave me this part number 8m0183360 to fix it. Which is a whole new ignition system, from mercruiser. Now with the new ignition system it runs, but when you go to time...
mercruiser on the thunderbolt v has discontinued the icm. The fix mercruiser told me to get this icm replacement kit merc part number 8M0183360. And this is why
Merc 5.7, installed a hei replacement ignition kit. Don’t have spark when I hook up the timing tool. Discount the timing tool and it has spark and runs but can’t hook up the timing tool and it kills the spark