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electronic ignition

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smdv806

06-05-2007 08:21:00

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Why did my pertronix kit burn out? It was running great for about two weeks and then all of a sudden my tractor started to miss and finally it wouldn"t start back up. I took the distributor cap off and the label on the unit was melted.

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smdv806

06-05-2007 10:41:12

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Re: electronic ignition in reply to smdv806, 06-05-2007 08:21:00

I didn"t leave the switch on. I do have a super high voltage Accel coil on it though without a resistor.

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buickanddeere

06-05-2007 12:15:07

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Re: electronic ignition in reply to smdv806, 06-05-2007 10:41:12

"Without a resistor"....uh oh. A 12V system needs either a 1.5 ohm 6V coil and a 1.5 ohm ballast resistor. Or use just a 12V 3.0ohm coil and no ballast. Running 12V/8 amps through a 6V coil is not going to produce some Ultra Mega Turbo Whiz Bang Blitzburg ignition system. By running 7-8 amps through a control box and coil designed for 3-4 amps. The current was too much for the wires and pushed the smoke out. Once the smoke leaks out of electrical equipment, it's ruined. The smoke can be added only once at the factory when the electrical equipment is new.

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Jerry/MT

06-05-2007 10:32:03

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Re: electronic ignition in reply to smdv806, 06-05-2007 08:21:00

The Pertronix instructions that I got with my unit warned against leaving the key on for extended periods without the engine running. It will cause the unit to overheat and fail. I think if the "rotor" is in the "points closed" position(I don't know what the proper terminology is.),there is a continuous current flow through the unit and it cannot disapate the resulting heat.

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Jak

06-05-2007 09:36:31

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Re: electronic ignition in reply to smdv806, 06-05-2007 08:21:00

They replaced mine free of charge.My tractor lost ground and thats what got mine.Needs good ground badly.Hope this helps.Jack(TN).

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John T

06-05-2007 09:02:08

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Re: electronic ignition in reply to smdv806, 06-05-2007 08:21:00

Perhaps it was just BAD to begin with?? Other things may be that the current rating of the electronic switch was NOT compatible with the coil??? I believe some of the Pertronix Flame Thrower high energy coils require a higher current rated switch then their normal switch used for tamer or stock coils that draw less current.

Grounds and wiring and connections can contribute to problems, but if its already fried you better check with pertronix and hope your switch was matched up for whatever coil you used. If you used the old stock coil the off the shelf elec switch should have handled that fine.

I guess your switch matched your tractor voltage and ground??

John T

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oldnnew

06-05-2007 09:05:12

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Re: electronic ignition in reply to John T, 06-05-2007 09:02:08

Did you leave your ignition switch on without the tractor running for a length of time? Doing this will burn 'em up. I installed a key type ignition on my tractor when I installed the Pertronix just in case someone at any of the tractor shows that I attend turned the ignition on and left it for whatever reason.

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