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Farmall & IHC Tractors Discussion Board

Re: H ignition and 12 volt conversion


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Posted by John T on March 15, 2011 at 14:05:06 from (67.208.197.124):

In Reply to: H ignition and 12 volt conversion posted by jaybradley on March 15, 2011 at 13:52:36:

An electronic ignition (eliminates and replaces points and condensor) is NOT any magic elixir or cure all for many ignition problems such as the distributor cap or rotor or bad plug wires or bad plugs or worn distributor bushings etc which may be even worse with an elec ignition if you run at higher voltages.........If the distributor has good bushings and you install a new set of points and condensor and have a good cap (no hairline cracks or carbon traces) and good plug wires n plugs plus a good coil you may be fine. However most people report improved starts and idle with an elec ignition BUT YOU STILL NEED A GOOD CAP AND ROTOR AND GOOD WIRES AND PLUGS.

If you are going to convert to elec ignition Id go with negative ground and if you swap to an alternator most also require Neg ground.
.
If you change grounds the ammeter leads need swapped and the coil is also polarity sensitive regardless if you use elec or points ignition.

If you do convert to elec ignition Id match up a high energy (12 volt if youre going to 12 volts DUH) coil with it to get the most bang for the buck the elec switch has to offer and use good quality plug wires.

A good H should start n run fine with an original 6 volt system at Pos ground if originality is any concern for you

John T


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