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Coils

All non-Cub/Cadet/IH/Farmall/Case tractor and machinery discussions.
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ajhbike
5+ Years
5+ Years
Posts: 1625
Joined: Thu Mar 09, 2017 4:06 pm
Zip Code: 06405
Tractors Owned: 1957 Cub
1951 Super C
1966 IH 504 Hi-Clear
1968 JD 3020
1949 JD B
1949 Ford 8N
1955 Ferguson TO-35
Location: Branford, CT

Coils

Postby ajhbike » Fri Jul 14, 2023 4:02 pm

Curious as to your thoughts on this....Do coils deteriorate or do they either run normally and then fail? Had some skipping on my 3020 and have started with the ignition...plugs and plug wires good, points good...(could be condenser??) and want to rule out the coil before moving to fuel and carb and air.
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staninlowerAL
10+ Years
10+ Years
Posts: 4997
Joined: Fri Oct 29, 2010 11:34 pm
Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1 is for parts), (1)'57 IH Cub LoBoy w/FH, (2)154 Number Series Loboys, (1 is for parts), '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '47 & '49 Avery V, '53 MM BG (offset), '51 JD M (regular), '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76? Yanmar 2TR15 1500 & Bush Hog SQ42S-2 mower, '78? FORD Dexta, '86 FORD LGT14D & 48" Mower, (2)Cub Cadets & Mowers (MTD), (4) Sears Surburban's, other MTD mowers, Jeeps & other misc. "treasures"
Circle of Safety: Y
Location: AL (Southwest)

Re: Coils

Postby staninlowerAL » Fri Jul 14, 2023 4:37 pm

I've had it happen both ways. Most of the time the coil begins to misfire when it gets hot, sometimes will quit then restart when cools down. Had one that ran fine, then one day when I went to start the engine, no start. Points would fire every revolution but no fire out of the distributor cap or at the plugs. End result was a short in the high voltage winding of the coil. Replace it and all is well. JMHO Stan
Stan in LA (lower AL)
USAF & Reserves, Reg ARMY, ARMY NG (AL)
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Eugene
Team Cub Mentor
Team Cub Mentor
Posts: 20381
Joined: Fri Jul 02, 2004 9:52 pm
Zip Code: 65051
Circle of Safety: Y
Location: Mo. Linn

Re: Coils

Postby Eugene » Fri Jul 14, 2023 6:58 pm

staninlowerAL wrote:I've had it happen both ways.
Last week replaced the coil on the skid steer. Run for a while, die. Start right back up, run for a while, die. Etc. Etc.
I have an excuse. CRS.
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ajhbike
5+ Years
5+ Years
Posts: 1625
Joined: Thu Mar 09, 2017 4:06 pm
Zip Code: 06405
Tractors Owned: 1957 Cub
1951 Super C
1966 IH 504 Hi-Clear
1968 JD 3020
1949 JD B
1949 Ford 8N
1955 Ferguson TO-35
Location: Branford, CT

Re: Coils

Postby ajhbike » Sat Jul 15, 2023 4:23 am

Thank you. I think I will get another one...7 tractors so it should be something to have around as a spare and they are relatively inexpensive.
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