ignition control module interchange??
Cranky Old Guy
Joined: Mar 2008
Posts: 3,562
Likes: 6
From: Raphine, Virginia
Nice diagram showing the wiring differences. I'm not sure if it's just some or all, but the Duraspark II (blue grommet) modules I've worked with have red & white wires on the two-wire connector, rather than blue & red-blue. For those, red is hot in run, and white is hot in start.
I've ran into that too. Also the red and white being swapped in the connector, something else to watch for.
New User
Joined: Dec 2012
Posts: 5
Likes: 0
Thanks for the diagrams. But this engine is a distributorless ignition system, with no place to drive a distributor. Just a 4 tower coil that fires 2 cylinders at the same time. One on the compression stroke and one on the exhaust stroke. It has a single 23 pin connector with 13 wires attached. The Coil has a 3 wire connector. I assume the center wire is ground and the two end wires fire the two sections of the coil being a 4 cylinder system. Thats why I thought I could swap the end wires and test the other half of the coil to make sure it's not the problem, even though it is new. Any luck on a motorcraft part number on the ICM?
Elder User
Joined: Sep 2014
Posts: 862
Likes: 7
From: like subarctic, brrr man!
Thanks for the diagrams. But this engine is a distributorless ignition system, with no place to drive a distributor. Just a 4 tower coil that fires 2 cylinders at the same time. One on the compression stroke and one on the exhaust stroke. It has a single 23 pin connector with 13 wires attached. The Coil has a 3 wire connector. I assume the center wire is ground and the two end wires fire the two sections of the coil being a 4 cylinder system. Thats why I thought I could swap the end wires and test the other half of the coil to make sure it's not the problem, even though it is new. Any luck on a motorcraft part number on the ICM?
I am guessing if it's a distributorless setup, that there is some form of crank trigger to signal when to fire.
Good luck with this!
Ford Parts Specialist
Joined: Nov 2006
Posts: 88,826
Likes: 787
From: Simi Valley, CA
Call a tractor dealer and get the correct part number. I believe the above has been replaced.
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