Ballast Resistor

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LeoM
Cub Star
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Posts: 112
Joined: Sun Dec 07, 2014 7:02 pm
Zip Code: 32713
Tractors Owned: FARMALL FORUM
1966 Cub w/ IH 1000 Loader
1958 LoBoy w/ Wagner 45 Loader
1952 Cub w/ Woods 48" Bush Hog
1948 Super A w/ Finish Mower
1944 A w/ 3 Point Hitch
Circle of Safety: Y
Location: Central Florida

Ballast Resistor

Postby LeoM » Wed Jul 05, 2017 8:15 am

I have a 1952 Cub that has been converted to 12 V using the generator and a voltage regulator. When I was reconnecting the wire from the ignition switch to the coil I broke the post on the coil and need to replace the coil. There is a Ballast Resistor connected between the coil and the distributor. Is the Ballast Resistor required ? Will any 12 V coil work properly ?
There is no other problem with the electrical system. Battery charges to 13 V and the voltage regulator switches off.

Eugene
Team Cub Mentor
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Posts: 16181
Joined: Fri Jul 02, 2004 9:52 pm
Zip Code: 65051
Circle of Safety: Y
Location: Mo. Linn

Re: Ballast Resistor

Postby Eugene » Wed Jul 05, 2017 8:24 am

Since you need a new coil, purchase a 12 volt coil with internal resistor. Then eliminate the ballast resistor.

2nd option, 6 volt coil and use the ballast resistor.
I have an excuse. CRS.

LeoM
Cub Star
Cub Star
Posts: 112
Joined: Sun Dec 07, 2014 7:02 pm
Zip Code: 32713
Tractors Owned: FARMALL FORUM
1966 Cub w/ IH 1000 Loader
1958 LoBoy w/ Wagner 45 Loader
1952 Cub w/ Woods 48" Bush Hog
1948 Super A w/ Finish Mower
1944 A w/ 3 Point Hitch
Circle of Safety: Y
Location: Central Florida

Re: Ballast Resistor

Postby LeoM » Thu Jul 13, 2017 1:21 pm

Thanks Eugene. I bought a coil with the internal resistor and it works fine.


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