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RJR49

Trouble Shooting K341 ignition

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RJR49

I saw a thread where someone described in detail how to troubleshoot one of these ignition systems. I wish I could find it now. Any help would be appreciated.

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82Caddy

What seems to be the problem?
What have you done?

What has been replaced?


More details would help.

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wallfish

:text-yeahthat:

or use the "search" in the upper right corner to find the thread you are looking for

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RJR49

My way of troubleshooting has always been to check the spark, and then start replacing things until I get one. A couple of months ago I saw a thread that took a more professional approach. Continuity, resistance, etc. complete with pics. I thought I would try it but I must not have the right search terms. I have not dug into it but it had been running great until one of my kids backed it out of the shed and then drove it back in. The tractor is a C-160, the safties long since gone. I suspect a wire got pulled lose which is why the continuity tests had so much appeal.

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953 nut

C-160 was made from '74 to '77, ignition systems changed; you never told us what type of ignition system you have. Is it a Magneto or Battery type coil?

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RJR49

Sorry, it's a 1975 old school. points plug , condenser, and coil 

BTW  I'm going to post this over in classifieds but anyone wanting either of these can have them for the postage. The pulley is the engine pulley from either a 1045 or a 1075. I think The clutch is off an Electro 12. It may have been rebuilt at least once.

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IMG_1773[1].JPG

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squonk

Take a 12V Test light,ground the clip and touch the + terminal of the coil. Turn the key on. It SHOULD LIGHT UP. If that's ok Touch the - terminal of the coil and turn the key to start the light SHOULD BLINK. If the light doesn't light up in the first step, You aren't getting power to the coil/ bad wire or switch. If the first step is ok but the 2nd step fails. Check points and the wire down to the points. The light NEEDS TO BLINK in the 2nd step. If it DOES NOT BLINK BUT IS ON your points aren't breaking the primary coil circuit. All the power in China at the coil is worthless if the points don't interrupt the primary circuit! If you have power at the + but nothing on the - terminals, you have a bad primary circuit in the coil.

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RJR49

Squonk Thank you very much. Seems like something I should have learned 50 years ago! I can't believe I just typed 50!

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