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I have a Merc 90 in line 6, about a 1980, that won't fire on any cylinder. It has a good hot battery and it turns over fine, but no spark. Can you give a few things to check. Thanks a lot.
Raymond,<br /><br />If you do a search for erickems, you will find out how to check the switchbox. The guys here are a great help!<br /><br />What is the serial #?
Start by disconnecting the blk/yellow wire from both switch boxes and ck for fire that will tell you if the problem is on the engine or wiring if you still have no spark and have excess to a OHM meter or DVA we can give you specs, for either one let us know.
