Re: 9N- Electrical Wiring

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Posted by Tim Daley(MI) on April 08, 2021 at 06:02:32 [URL] [DELETE] :

In Reply to: 9N- Electrical Wiring posted by raski on April 07, 2021 at 04:47:05:

First, it's best to start going thru the entire wiring system, step by step, to ensure your system is correctly wired. Just because you have a 6V battery does not mean it is wired as the OEM 6V/POS GRN system. If you are shorting out wires, it might be a good time to invest in a new harness or if wiring yourself, do it right. The OEM AMMETER was the Induction/Loop Style 30/30 gauge. The wire fed thru the 'LOOP' on the back of gauge and registered induction. If readings were backwards switch the direction of the wire feed. All new gauges are the two screw terminal type. (Series??? Huh???) Thus if gauge charge reads backwards, simply reverse the wires on the screw terminals. A badly corroded resistor doesn't mean it doesn't work. So, you plan to buy a new AMP Gauge and a new Ballast Resistor. There were two Ballast Resistors - one for the 9N & 2N tractors and one for the 8N. The only difference is the mounting screws, but functionally both are the same. LINK below is for the 9N model. Is the wiring with the 1-Wire/3-Brush GEN and the Round-Can Cutout? Is battery new? Have you tested it whether new or old? A new resistor will get hot and smoke a bit when it is first powered up -completely normal so don't freak out, providing all other wiring is correct. Wire correctly and before first before applying power to battery. Lastly, get your Essential Manuals and JMOR's Wiring Pictograms to roadmap your system. Whether a GEN or an ALT, you need the Ballast Resistor in the system. Likewise you must have a fan belt tensioner device otherwise you will never charge the battery.

FORD TRACTOR 9N & 2N OEM 6V/POS GRN WIRING:



FORD 9N/2N WIRING 6V & 12V:

FORD N-SERIES TRACTOR FRONT MOUNT DISTRIBUTOR 9N-12250 BALLAST RESISTOR:


FORD 9N/2N ESSENTIAL OWNER/OPERATOR/PARTS/SERVICE MANUALS:


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