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I had the problem last year as well with the old spark plugs, (acdelco MR43T). The same brand I'm running this year. Hopefully, these work with electronic ignition. I did just change the spark plug wires thinking they might be the problem. I also bought a new coil to eliminate that as a...
I just called the help line you posted in the instructions and he said that supplying the full 12 volts for the coil and ignitor is fine with the 3ohm flamethrower coil that I have since the coil has an internal resistor. He suggested that the problem might be poor grounding through the ignitor...
I have a 1989 3.0 mercruiser where I installed a Ignitor 1146A, and Pertronix 3ohm Flamethrower coil. I installed by eliminating the resister wire and instead ran a hot line from the choke. Right now the boat starts great and will run perfect for an hour or two and then cut out and die. It...
I installed a ignitor 1146A and 3ohm flamethrower coil on my 1989 mercruiser 3.0. It will start and run perfectly for an hour or two and then I lose spark and it dies until it cools off. The coil and distributer will be too hot to touch at this time. I installed the coil and ignitor by...
