Resister needed?

T L · Jan 11, 2019

I am changing a 8n to 12 volts. I have purchased a 12 volt coil. Do I need to add a resister from the switch to the coil?

Bruce (VA) · Jan 11, 2019

front or side distributor?
75 Tips

T L · Jan 11, 2019

Front distributer

Bruce (VA) · Jan 11, 2019

Yes, you need the oem ballast resistor and no others.

Is the oem ballast resistor installed on your tractor?

See tip # 31
75 Tips

T L · Jan 12, 2019

Yes the original resister is there. I was affraid to use it because I thought it would burn out being a 6 volt resister. Thanks for the advice. When it warms up a little I will try to finish the conversion.

Farmer Dan · Jan 12, 2019

(quoted from post at 16:34:36 01/11/19) I am changing a 8n to 12 volts. I have purchased a 12 volt coil. Do I need to add a resister from the switch to the coil?

You only need the original resistor no extra ones. Here is a diagram JMOR made hope it helps.

Bruce (VA) · Jan 12, 2019

" I thought it would burn out being a 6 volt resister."

Nope. 6v or 12v doesn't matter to this resistor. It's there to reduce current to the coil when the tractor is running.
75 Tips

Resister needed?

T L

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T L

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T L

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