Rewire with smoke

Farmall Cub Forum -- Questions and answers to all of your Cub related issues.

Moderator: Team Cub

Forum rules
Notice: For sale and wanted posts are not allowed in this forum. Please use our free classifieds or one of our site sponsors for your tractor and parts needs.
User avatar
BJM68
Posts: 22
Joined: Sat May 13, 2017 7:19 pm
Zip Code: Ont
Tractors Owned: 48 Cub

Rewire with smoke

Postby BJM68 » Sat Aug 05, 2017 7:58 pm

Rewired 48 electrical to 6 volt positive ground New light switch Did not polarize ? Some smoke but disconnect very quickly Wire from ignition switch to magneto got hot Pulled starter switch with light switch and ignition switch both off as test and the smoke arrived

staninlowerAL
5+ Years
5+ Years
Posts: 2662
Joined: Fri Oct 29, 2010 11:34 pm
Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1)'52, (1)'57 IH Cub LoBoy w/FH, (1)'72 154 Number Series Loboy, '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '53 MM BG (offset), (2) '49 Avery V's, '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76 Yanmar 1500, Sears Surburban's, MTD's, Jeeps & other misc. "treasures"
Location: AL (Southwest)

Re: Rewire with smoke

Postby staninlowerAL » Sat Aug 05, 2017 8:37 pm

Unless your tractor/magento has been converted to an external coil, the wire from the ignition switch to the magneto should not have any voltage. The wire is there to ground the magneto through the switch when you are ready to stop the engine. The wiring diagram is in the owners manual which you can download from the "QUICK LINKS" tab at the top left corner of this page.

User avatar
BJM68
Posts: 22
Joined: Sat May 13, 2017 7:19 pm
Zip Code: Ont
Tractors Owned: 48 Cub

Re: Rewire with smoke

Postby BJM68 » Sat Aug 05, 2017 9:42 pm

Good evening Thanks for referring me back to pdfs I had chosen battery ignition schematic There may be hope for a carpenter with a hopefully soon running Cub

staninlowerAL
5+ Years
5+ Years
Posts: 2662
Joined: Fri Oct 29, 2010 11:34 pm
Zip Code: 36558
Tractors Owned: Cubs: (3)'49's, (1)'52, (1)'57 IH Cub LoBoy w/FH, (1)'72 154 Number Series Loboy, '76 Longstripe w/FH, Mowers: C-22, Bush Hog 412, Pennington 59, Woods RM42CF, Woods 42, assorted FCub plows, planters, discs, etc. OTHERS: '49 AC B & Ind. Sickle mower, '61 AC D12 Ser 2, '52 8N, '56 Ferguson 35 Deluxe, '53 MM BG (offset), (2) '49 Avery V's, '56 JD 420C, with Blade and fire plow, '85 JD 850 (Yanmar) w/72" belly mower, '76 Yanmar 1500, Sears Surburban's, MTD's, Jeeps & other misc. "treasures"
Location: AL (Southwest)

Re: Rewire with smoke

Postby staninlowerAL » Sun Aug 06, 2017 7:30 am

Good Luck. Maybe you do not have any major damage.

User avatar
BJM68
Posts: 22
Joined: Sat May 13, 2017 7:19 pm
Zip Code: Ont
Tractors Owned: 48 Cub

Re: Rewire with smoke

Postby BJM68 » Sun Aug 06, 2017 9:21 am

IMG_1417.JPG
Good morning Started the rewire to magneto ignition Lost at regulator Hope picture can help with help

User avatar
John *.?-!.* cub owner
Team Cub Guide
Team Cub Guide
Posts: 22121
Joined: Sun Feb 02, 2003 2:09 pm
Zip Code: 63664
Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
Location: Mo, Potosi

Re: Rewire with smoke

Postby John *.?-!.* cub owner » Sun Aug 06, 2017 9:41 am

That is not a regulator, that is a cutout. I was going to post a link to the proper diagram for it on Farmall Bob's site, but Photobucket will no longer allow me to even look at it.
If you are not part of the solution,
you are part of the problem!!!

Eugene
Team Cub Mentor
Team Cub Mentor
Posts: 16108
Joined: Fri Jul 02, 2004 9:52 pm
Zip Code: 65051
Circle of Safety: Y
Location: Mo. Linn

Re: Rewire with smoke

Postby Eugene » Sun Aug 06, 2017 9:50 am

Wiring diagram for the cutout should be in the 48, or so, owners manual.
I have an excuse. CRS.

Jim Becker
Team Cub
Team Cub
Posts: 12913
Joined: Sun Feb 02, 2003 2:59 pm
Zip Code: 55319
Circle of Safety: Y
Location: MN

Re: Rewire with smoke

Postby Jim Becker » Sun Aug 06, 2017 11:31 am

From the ATIS FAQ.
Image

ParlowMillFarm
5+ Years
5+ Years
Posts: 157
Joined: Mon Oct 17, 2011 4:56 pm
Zip Code: 02738
Tractors Owned: 1949 Cub
1964 JD1010
Location: Marion, Massachusetts

Re: Rewire with smoke

Postby ParlowMillFarm » Sun Aug 06, 2017 11:33 am

Is this the wiring diagram he should be using?
Attachments
04-6VoltCutoutAndMagneto-rev4_17-1.gif

User avatar
John *.?-!.* cub owner
Team Cub Guide
Team Cub Guide
Posts: 22121
Joined: Sun Feb 02, 2003 2:09 pm
Zip Code: 63664
Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
Location: Mo, Potosi

Re: Rewire with smoke

Postby John *.?-!.* cub owner » Sun Aug 06, 2017 12:46 pm

ParlowMillFarm wrote:Is this the wiring diagram he should be using?
yes, that is the correct diagram for a cutout with magneto, so long as magneto has not been converted to use a separate coil.
If you are not part of the solution,
you are part of the problem!!!

User avatar
BJM68
Posts: 22
Joined: Sat May 13, 2017 7:19 pm
Zip Code: Ont
Tractors Owned: 48 Cub

Re: Rewire with smoke

Postby BJM68 » Sun Aug 06, 2017 6:50 pm

Thank you to all I am losing desire to sell and am very interested in learning something new Do I remove my my F generator to F cutout and wire F cutout to 4 position switch ( will need to order tomorrow)

User avatar
John *.?-!.* cub owner
Team Cub Guide
Team Cub Guide
Posts: 22121
Joined: Sun Feb 02, 2003 2:09 pm
Zip Code: 63664
Tractors Owned: 47, 48, 49 cub plus Wagner loader & other attachments. 41 Farmall H.
Location: Mo, Potosi

Re: Rewire with smoke

Postby John *.?-!.* cub owner » Sun Aug 06, 2017 8:23 pm

Yes, the F terminal on a cutout is used on stationary engines to provide a partial ground and keep the battery charged. The wire from the F terminal to the light switch allows you to controll the charge using the Hi and LO setting on the light switch. An alternative is to replace the cutout with a regulator and leave the F lead where you have it, which will allow the regulator to control the charge rate.
If you are not part of the solution,
you are part of the problem!!!

Jim Becker
Team Cub
Team Cub
Posts: 12913
Joined: Sun Feb 02, 2003 2:59 pm
Zip Code: 55319
Circle of Safety: Y
Location: MN

Re: Rewire with smoke

Postby Jim Becker » Sun Aug 06, 2017 8:36 pm

John *.?-!.* cub owner wrote:Yes, the F terminal on a cutout is used on stationary engines . . .

And tractors with a starter but no lights.

User avatar
Glen
5+ Years
5+ Years
Posts: 1843
Joined: Mon Mar 19, 2012 7:33 pm
Zip Code: 00000
Tractors Owned: 1956 Farmall Cub with Fast Hitch, F-11 plow, Disc, Cultivator, Cub-22 mower
Circle of Safety: Y
Location: Wa.

Re: Rewire with smoke

Postby Glen » Sun Aug 06, 2017 8:45 pm

Hi,
I'm not sure from what you wrote if you have the 4 position switch, it originally had High and Low charge, and Dim and Bright lights. You had to pick the charging rate that the battery needed. The charge rate, and the lights were in the same switch.
Below is a page from the Cub owner's manual showing how they originally looked under the hood, and 2 pages telling about the switch.
IH called the cutout a Relay.
If you need a 4 position switch, you might have to find a used one, not sure, someone might have them new. IH started using a 4 position switch on the Cubs in about 1958 that was just for the lights, it is not the same as the 1940's switch.

http://farmallcub.com/rudi_cub/www.clea ... e%2033.jpg

http://farmallcub.com/rudi_cub/www.clea ... e%2034.jpg

http://farmallcub.com/rudi_cub/www.clea ... e%2035.jpg

This is the rear of the 4 position switch, pic from TM Tractor. :)
Attachments
Cub switch 3.jpg


  • Similar Topics
    Replies
    Views
    Last post

Return to “Farmall Cub”

Who is online

Users browsing this forum: Bill V in Md, Bud-in-PA, Cubfriend and 7 guests