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520 coil wiring with a Pertronix


 
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PushnFords
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Joined: 30 Dec 2014
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PostPosted: Sat Jun 20, 2015 5:22 am    Post subject: 520 coil wiring with a Pertronix Reply to specific post Reply with quote

I thought I posted this question a few days ago so my apologies if it is a duplicate...I can't find the other post.

Installing a new Brillman wiring harness in a 520 along with a Pertronix module. The wiring harness has a BROWN wire coming from the MAG/GRND terminal on the ignition switch to the (-) terminal of the coil. There is also a GREEN wire coming from the resister to the (-) terminal of the coil. I don't have the paperwork in front of me but the (+) coil terminal connects to...the ignition switch somewhere I think. The Pertronix module directions appear to say that the GREEN wire needs unhooked & hooked to one of the Pertronix wires while the other Pertronix wire connects to the coil (-) terminal. It doesn't say what to do with the BROWN wire but does say that there should only be two wires total going to the coil. What do I do with the BROWN wire?
 
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John Deere D
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PostPosted: Sat Jun 20, 2015 7:15 am    Post subject: Re: 520 coil wiring with a Pertronix Reply to specific post Reply with quote

Original wiring diagram.



 
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Lee B
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PostPosted: Sat Jun 20, 2015 11:18 am    Post subject: Re: 520 coil wiring with a Pertronix Reply to specific post Reply with quote

Tape it up, it is not needed.

Diagrams below show positive ground (thanks John Deere D), did you purchase a positive ground EI unit? It's important to match your ground system (positive or negative) with the EI unit used.
 
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PushnFords
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PostPosted: Sun Jun 28, 2015 8:28 pm    Post subject: Re: 520 coil wiring with a Pertronix Reply to specific post Reply with quote

Thank you!
 
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PushnFords
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PostPosted: Sun Jun 28, 2015 8:29 pm    Post subject: Re: 520 coil wiring with a Pertronix Reply to specific post Reply with quote

Yes I bought the positive ground EI unit. Getting anxious to get it assembled & try to fire it up!
 
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