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Ford 9N, 2N & 8N Discussion Forum
Show Parts for Model:

Re: 12v conversion - now hard/no start when cold - ytmag kit

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Kurt-NEPA

01-10-2013 15:30:41
70.44.245.96



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I'm with JMOR on this. If you have a 12 Volt coil you only need the ballast resistor. The other resistor is a 12V to 6V step down resistor and is only needed if you use the original 6 volt coil.
I would pull out (or bypass) the step down resistor and see it that cures the cold start problems.
Post back with your results. If you still have problems we'll work with you to get it running right.

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Wade C

01-10-2013 15:53:30
199.91.130.252



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 Re: 12v conversion - now hard/no start when cold - ytmag kit in reply to Kurt-NEPA, 01-10-2013 15:30:41  
Quoting Removed, click Modern View to see

There are two resistors in the line, the OE one on the terminal block under the ammeter, and then in addition, the one that was sent with the kit. But no information in the kit as to if it should be used or not, and no info on the coil either. The website says its a 12v coil... so was a bit surprised there was a SECOND resistor they said to use in series... but their email said to use it. If I bypass the secondary resistor - leaving the OE in the line only, it started fine when cold - great actually - better than it did when 6v. But with it in as they say, its much worse than the 6v.

But just want to be sure Im not going to burn out the coil, not having any information on it other than "12 Volt coil" (from: http://www.ytmag.com/8NE10300ALTC_501.htm) and no mention of anything in the instructions about the resistor other than "IF used - wire this way" type mention.

My initial thought was to remove the second resistor (new one from the kit) which is what brought about the idea of by passing it when it wouldnt start cold. But concern for burning the coil out is what prompted me to post here. JMOR and you both are backing up my initial thoughts... that it shouldnt burn out the new coil.

Should have some good cold weather tomorrow, so leaving it out on the trailer (had it loaded to take back to dad today until it wouldnt start when I went to chain it down for the trip). Will be able to do a test in some good cold air in the morning. Only thing I cant test is how it handles hot weather :lol: and time will tell if the coil burns out I guess. But good to know my thinking wasnt too far off base.

If she starts well tomorrow like expected, Ill just make a pig tail (and make my all new and pretty re-wiring job look like a nice job with a hacked in splice :x ) and haul it back to him for "testing" :twisted:
If anyone else wants to chime in with confirmation, or other details, Ill be checking back as well as letting you know all is well.

Thanks

Wade

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