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Durospark ignition module probably from 1986 mercury. Wire colors are as follows:
grey with white hash marks
red with white stripe
yellow with black hash marks
yellow
black with orange stripe
You're right, matthew. When I cleaned up the mess for photo I could see the harness wiring better and it is a fairly standard setup. Plenty of schematics in forums here, I was able to trace it back and get everything working.
