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Spark Plug Grounding out
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- 10+ Years
- Posts: 4
- Joined: Tue Mar 11, 2014 12:05 pm
- Zip Code: 39574
- Tractors Owned: 1976 IH Cub
Spark Plug Grounding out
I have a 1976 IH Cub that wont't start unless I pull a plug wire off to the point where I can see the arc from the wire to the plug. While running I attempt to put the wire all the way on the plug, however as soon as the rubber hits the the plug it goes dead and doesnt want to crank again unless I start all over where I can see the arc. Any suggestions as to what is happening?
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- Team Cub Mentor
- Posts: 20344
- Joined: Fri Jul 02, 2004 9:52 pm
- Zip Code: 65051
- Circle of Safety: Y
- Location: Mo. Linn
Re: Spark Plug Grounding out
New spark plugs? Plugs are probably fouled.
When was last complete tune up?
When was last complete tune up?
I have an excuse. CRS.
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- 10+ Years
- Posts: 4
- Joined: Tue Mar 11, 2014 12:05 pm
- Zip Code: 39574
- Tractors Owned: 1976 IH Cub
Re: Spark Plug Grounding out
That is my first step. I have new wires in the truck and plugs on order. Not sure when the last complete tune up was done, havent had it long. Thank you for your reply.
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- Team Cub
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- Zip Code: 55319
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- Location: MN
Re: Spark Plug Grounding out
Make sure your new wires are solid metal core, not resistor wires.
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- 10+ Years
- Posts: 4
- Joined: Tue Mar 11, 2014 12:05 pm
- Zip Code: 39574
- Tractors Owned: 1976 IH Cub
Re: Spark Plug Grounding out
Thanks. I didnt know that. I will have to check them.
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- Team Cub Mentor
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Re: Spark Plug Grounding out
As Eugene said, fouled plugs can do exactly as your tractor is doing.
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- 10+ Years
- Posts: 134
- Joined: Tue Aug 03, 2010 11:34 am
- Zip Code: 46975
Re: Spark Plug Grounding out
I've had that happen on a single cylinder kohler. Plug was shorted to ground internally. Fought that damnable thing for a weekend years ago and will never forget it. Probably the last time I ever used Champions too.
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- 10+ Years
- Posts: 4
- Joined: Tue Mar 11, 2014 12:05 pm
- Zip Code: 39574
- Tractors Owned: 1976 IH Cub
Re: Spark Plug Grounding out
Guys I appreciate all your input. I changed the plugs and all is well. Thank you all so much.
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