Electrical problem with a lawnboy push mower

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  #1  
Old 08-03-12, 06:07 AM
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Electrical problem with a lawnboy push mower

Ok, Guys, here goes:
I'm rebuilding a lawnboy d400 engine on a 44 year old mower.
I have the engine all done but can't get spark.
This is a point system and have new points gapped at .016, plug gapped at .025
but here is my question, really. When I put a continuity light from ground to the primary wire of the coil it lights up? It's been years since I've dealt with points so I'm at a loss. If I go from ground to the tip of the condenser i get a light, also.
I'm thinking the windings in the coil are bad? Help.
 
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  #2  
Old 08-03-12, 09:03 AM
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Here is a link to the points and condenser tests, pay no attention to the outboard reference. Have a good one. Geo
http://assets.fluke.com/appnotes/ele...r/B0271b_u.pdf
 
  #3  
Old 08-03-12, 01:01 PM
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Thanks, Geo, I haven't worked on a point system lawnmower in forever and the manual here will help.
 
  #4  
Old 08-06-12, 07:09 AM
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Fixed

Finally got this running. One strand of wire from the primary side of the coil was touching ground and shorted the whole ignition system out.
 
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