Welcome! Please use the navigational links to explore our website.
PartsASAP LogoCompany Logo Auction Link (800) 853-2651

Shop Now

   Allis Chalmers Case Farmall IH Ford 8N,9N,2N Ford
   Ferguson John Deere Massey Ferguson Minn. Moline Oliver

Ford 9N, 2N & 8N Discussion Forum
Order Ford 9N Parts Online

9n charging

Welcome Guest, Log in or Register

07-20-2003 10:33:24

Report to Moderator

just got 1940 9n ,it has been converted to 12volt but only seems to start charging when running at high r.p.m.s. is there any way to get it to charge when it starts? it is a single wire alt. thank you in advance. wayne

[Log in to Reply]   [No Email]
nope . . . Dell (WA)

07-20-2003 10:58:22

Report to Moderator
 Re: 9n charging in reply to wayne, 07-20-2003 10:33:24  
Wayne..... ...thats the problem with the simplistic 1-wire 12 volt alternator conversion. Ya gotta jazz that cold engine to about 1800 rpms to get it charging. This is not a problem with automobile engines because you almost always run the engine 3000+ rpms as you pull away from your parking spot. I always point that "little problem" out to the electrically challenged that want to convert to 12 volts.

Remember you N-Engine idle speed is a sloooww 400 rpms. Your N-Engine is governor regulated to 2200 rpms max.

If you want your 12 volt conversion to start charging at low engine speed, you'll need to completely re-wire and use a 3-terminal Delco 10-SI 12 volt alternator. The instructions are in the "archive" BUT I don't recommmend changing a successful conversion for the electrically challenged novice, live with it..... ....respectfully, Dell..... ..a 12 volt advocate for the right reasons

[Log in to Reply]  [No Email]

07-20-2003 13:37:32

Report to Moderator
 Re: Re: 9n charging in reply to nope . . . Dell (WA), 07-20-2003 10:58:22  
Yes there is a fix to this.They now make 1 wire alternators that will start charging as soon as the tractor is running.If you have a alternator shop around you check with them if you don't I can give you the # of a guy that builds these.

[Log in to Reply]  [No Email]

07-20-2003 14:58:06

Report to Moderator
 Re: Re: Re: 9n charging in reply to brownie, 07-20-2003 13:37:32  
thank you guys for the imfomation/ ican live with this as long as it charges. now to move on and take care of any other problems i can find and i am sure thare will be some. wayne

[Log in to Reply]  [No Email]
Duner Wi

07-20-2003 17:32:38

Report to Moderator
 Re: Re: Re: Re: 9n charging in reply to wayne, 07-20-2003 14:58:06  
A smaller pulley on the Alt. will speed it alt. and should cut in at lower engine RPM.

[Log in to Reply]  [No Email]
Dell (WA)

07-20-2003 18:13:51

Report to Moderator
 Re: Re: Re: Re: Re: 9n charging in reply to Duner Wi, 07-20-2003 17:32:38  
Duner..... ..thats only partially true. There is a MINIMUM pulley size that will flex the 5/8 wide fanbelt around. 3" dia pulley is just about the min size. Has to do with dynamics of rubber belts..... ....respectfully, Dell

[Log in to Reply]  [No Email]
[Options]  [Printer Friendly]  [Posting Help]  [Return to Forum]   [Log in to Reply]

Hop to:

We sell tractor parts!  We have the parts you need to repair your tractor - the right parts. Our low prices and years of research make us your best choice when you need parts. Shop Online Today. [ About Us ]

Home  |  Forums

Copyright © 1997-2023 Yesterday's Tractor Co.

All Rights Reserved. Reproduction of any part of this website, including design and content, without written permission is strictly prohibited. Trade Marks and Trade Names contained and used in this Website are those of others, and are used in this Website in a descriptive sense to refer to the products of others. Use of this Web site constitutes acceptance of our User Agreement and Privacy Policy

TRADEMARK DISCLAIMER: Tradenames and Trademarks referred to within Yesterday's Tractor Co. products and within the Yesterday's Tractor Co. websites are the property of their respective trademark holders. None of these trademark holders are affiliated with Yesterday's Tractor Co., our products, or our website nor are we sponsored by them. John Deere and its logos are the registered trademarks of the John Deere Corporation. Agco, Agco Allis, White, Massey Ferguson and their logos are the registered trademarks of AGCO Corporation. Case, Case-IH, Farmall, International Harvester, New Holland and their logos are registered trademarks of CNH Global N.V.

Yesterday's Tractors - Antique Tractor Headquarters

Website Accessibility Policy