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

Re: 12 volt conversion on 1947 8n

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Dell (WA)

12-27-2012 09:03:16
63.226.211.116



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Tim.........one of the reasons to convert to 12V is the FASTER spinning of the 6V-starter motor on 12V for eazier starting of worn low compression engine. The 6V-starter motor does just fine on intermittent 12V starter duty. There is NO problem, connecting yer ignition ON switch to the right side of the 3-terminal starter solenoid as you described. Iff'n you connected to the left side of yer 3-terminal starter solenoid, yer engine would only run while pushing the BIG thumb starter button by the tranny shifter.

Remember, yer 30-0-30 ammeter was originally wired for positive (+) ground and will read BASSACKWARD with negative (-) ground that yer 12V-alternator demands. Iff'n still the original "loop" ammeter, just thread the ammeter wire thru the loop the OTHER direction, otherwize swap leads on back of 2-terminal ammeter. Surprizingly enuff, ammeter don't care, positive (+) ...or... negative (-) ground and even more amazing don't care iff'n 6V or 12V.

HOWSOMEVERS: both the original 6V-squarecan coil and the modern 12V-squarecan coil use the same "infamous ballast resistor".......NO ARGUE!!! ........Dell, a 12V advocate for the right reason, who knows 8-ways to convert to 12V and they all work the first time

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Trc8000

12-27-2012 15:10:00
76.202.2.108



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 Re: 12 volt conversion on 1947 8n in reply to Dell (WA), 12-27-2012 09:03:16  
Thanks Dell......so on the right side of the solenoid I got the ignition wire, positive battery cable, and wire from regulator coming from alternator. Left side is hooked to starter and small post in back is hooked to the push start button. Now all I gotta do is charge the battery and I should be good to go....
Thanks again.

Tim



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