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Harry Ferguson Tractors Discussion Forum
Show Parts for Model:

Coil for 12 volt TO-30

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phil(va)

07-18-2014 20:45:01
71.2.162.104



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TO-30 converted to 12 volts, starts and runs good for 15 min. then dies slowly and won't start again for about 30 minutes. Appears to have no spark. Thinking coil. Bought tractor already converted to 12 volts. Can't read number on coil. We have NAPA here. Anyone know NAPA number for 12 volt coil for these tractors? Counter look-up for this type of thing is always iffy. Thanks in advance for help.

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Jerry/MT

07-21-2014 14:00:37
206.183.116.156



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-18-2014 20:45:01  
Phil, I believe the NAPA coil part number is IC14SB.



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John(UK)

07-20-2014 04:52:10
79.76.255.108



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-18-2014 20:45:01  
just a 12 volt coil is OK but change the Condenser too as they fail all too easily.. John(UK)



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Bob (Aust)

07-20-2014 00:59:09
124.186.111.37



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-18-2014 20:45:01  
Quoting Removed, click Modern View to see

I must lead a sheltered life - seen plenty of coils with a noise suppression capacitor attached but can't say I've seen a coil with a resistor attached since the 1960s?

Surely he just needs to buy a good 12 volt coil for around $15. I don't see what the resistance has to do with it? Even a high voltage output coil, which helps starting these old engines no end, is only around $35.

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Tony in Mass.

07-19-2014 08:55:55
50.189.125.187



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-18-2014 20:45:01  
Condenser is my hunch. We had a spell of bad ones talked about on here a couple years ago- and I had one that didn't last 2 weeks. $30 less than a coil too, worth a chance, since electrical items are non refundable..



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miner09

07-19-2014 06:56:06
70.196.3.44



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-18-2014 20:45:01  
The coil should have internal resistor painted on side. With no internal resistor this is when you use the external add on. I've seen people use both for some reason. The coil with no internal resistor is always cheaper and a lot of people will buy it because of price.



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Steve@Advance

07-18-2014 21:09:38
107.203.134.67



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-18-2014 20:45:01  
Try NAPA IC14. This is a 12v coil with 3 ohm resistance, no resistor needed.



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phil(va)

07-19-2014 05:06:48
71.2.162.104



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 Re: Coil for 12 volt TO-30 in reply to Steve@Advance, 07-18-2014 21:09:38  
Thanks. In archives I just found IC 14 SB. Is this the same?



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rvirgil_KS

07-19-2014 16:13:50
50.93.233.149



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-19-2014 05:06:48  
Yes and No

on the napaonline site:
IC14 is an Echlin brand about $40

IC14SB is "Mileage Plus Electrical", probably an import. about $20

Should be electrically the same.

I've used several IC14SB and had good luck with them.

By the way coils DO NOT have internal separate resistors. Difference in 6 and 12 volt coils is in the the way the primary and secondary are wound.



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Steve@Advance

07-19-2014 13:12:17
107.203.134.67



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-19-2014 05:06:48  
Yes, that is that same.



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Bruce(OR)

07-19-2014 10:06:32
97.115.28.138



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 Re: Coil for 12 volt TO-30 in reply to phil(va), 07-19-2014 05:06:48  
Try NAPA IC14. This is a 12v coil with 3 ohm resistance, no resistor needed.



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