Here's a step-by-step process Honda techs use to troubleshoot ignition problems with an EU2000i. A couple of special tools are required, one is a Terminal Inspection Feeler Set, to help make electrical contact with small connectors, and the other is a standard Digital Multimeter.
-Robert@Honda Caveat: I work for Honda, but the preceding is my opinion alone.
Caveat: I work for Honda, but the preceding was my opinion alone.
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