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Old 11-26-2020, 12:32 PM   #10
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Join Date: Aug 2014
Location: Boulder CO

The wasted spark board wiring looks OK (it took me a moment to realize that it was coated in RTV).

For ignitor/coil power/ground, I'd splice into the original coil power wire (blue?) to supply power to the ignitor and coil. For ground, it should go to the bolts on the intake manifold along with the other ground ring lugs. 16 or 18 gauge wire is sufficient.

Have you tried a wasted spark ezk with the original coil/ignitor/plug wires, and the new ignitor unplugged? Adding the wasted spark board shouldn't affect the original functionality.
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