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Old 06-18-2023, 09:54 PM
Edward Edward is offline
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Join Date: Jun 2023
Location: SC
Posts: 3
Default 1440 Vanguard - no spark after electrical fire at ignition switch

I was mowing a few weeks ago and the mower wasn't running right, then the PTO light came on, then I noticed smoke, then flames coming from the back of the ignition switch.

I ordered a new ignition switch and have been testing/replacing the wires one-by-one. Now I can get the starter to fire, but I don't have spark on either side (I have those inline spark testers).

I have unplugged the yellow wire that grounds the magneto (on the right side of the engine), and it still doesn't spark on either side.

I tried starting it by directly connecting the starter to battery +. Still no spark with or without yellow kill wire on the side of the engine unplugged.

So does this sound like a kill wire/diode problem? Or maybe the coils are bad? Or maybe there is a bad ground somewhere?

If it is the magnetos/kill wires - is there an easy way to get that engine shroud off? From my research it appears I will have to remove some bolts and shift the engine forward. One gentleman used an engine hoist, but I don’t have one.

Anyway, any insights or tips would be greatly appreciated.
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Cub Cadet is a premium line of outdoor power equipment, established in 1961 as part of International Harvester. During the 1960s, IH initiated an entirely new line of lawn and garden equipment aimed at the owners rural homes with large yards and private gardens. There were a wide variety of Cub Cadet branded and after-market attachments available; including mowers, blades, snow blowers, front loaders, plows, carts, etc. Cub Cadet advertising at that time harped on their thorough testing by "boys - acknowledged by many as the world's worst destructive force!". Cub Cadets became known for their dependability and rugged construction.

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