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Stationary Engines Discussion Forum

twin onan magneto type with no fire

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truewheel007

01-29-2005 21:56:01




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I have a twin onan that has a magneto type coil and magnetts on the flywheel I have replaced the coil twice and have cleaned everything and replaced the wires still no fire could it be that the magnetts are week? please help I need my welder running




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HardTymes

02-07-2005 00:36:42




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 Re: twin onan magneto type with no fire in reply to truewheel007, 01-29-2005 21:56:01  
The ignition systems on an Onan engine consist of a coil, condenser, ignition module and trigger ring. To check the system for functionality, place a 12 volt test light or volt meter on the positive (+) side of the coil with the key switch in the run position. You should have 12 volts to the coil. If not, check voltage at the key. If you have voltage, place the light or meter on the negative side of the coil (-) and crank the engine. If the ignition and trigger ring are operating correctly, and you are using a test light, the light will flash. If you are using a meter, the reading will fluctuate from 12 volts to 1 volt. If the light does not flash or the voltage reading does not fluctuate, the ignition module is defective. If it flashes or the voltage readings fluctuate, check the coil and replace as needed.

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