Hi tom,
yes, some wacker units made by Dolmar use a sem ignition module like this one.
http://m.ebay.com/itm/SEM-Ignition-coil-type-G-E-with-flywheel-STIHL-045-056-sachs-dolmar-husqvarna-/262251195213?nav=SEARCH
Used in stihls like 056, and also husky 2100/2101.
If you have a good used...