Tecumseh engine ser 143346012 model 4003d riding mower seems like ign safety grounds out ign when hooking coil wire to to magneto new coil and old coil
You may be able to find help or a diagram at the SEARS Parts web site. Here is the link for your engine model number. You should be able to past it into the address bar of your browser if it doesn't automatically link to the page by clicking: http://www.searspartsdirect.com/craftsman-parts-all-products-parts/model-143346012/0247/1503500.html?searchType=modelSearch&prst=&q=143346012&searchTerm=143346012&shdPart=
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You may be able to find help or a diagram at the SEARS Parts web site. Here is the link for your engine model number. You should be able to past it into the address bar of your browser if it doesn't automatically link to the page by clicking:
http://www.searspartsdirect.com/craftsman-parts-all-products-parts/model-143346012/0247/1503500.html?searchType=modelSearch&prst=&q=143346012&searchTerm=143346012&shdPart=