Rear light

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fiddler
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Rear light

Postby fiddler » Sun Apr 11, 2021 7:01 pm

Onward and upward... so now that it runs and the lights work and it is starting to look pretty I want to put a combination rear light on it. So does the switch on the combination light control the white light or the red light? I would assume it would control the white light, but the original tractor seems to have had the switch wired so that you could have the rear light only on, or the headlight and rear light, but not the headlight only. I guess so you could see up the cliff when you drove off of it?? Anyway, I have none of the rear light fixtures. It looks like I need a bracket, but I don't know where it bolts, somewhere near the seat post near as I can tell, and of course a light, and some sort of way to attach the light to the bracket. Anybody have a couple of photos or maybe a list of parts?? Or a link where I can see how this is supposed to work? (As far as what I am doing with this tractor....you can justify a small tractor with 2 acres, but it is harder to justify a go kart!!)

Jim Becker
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Re: Rear light

Postby Jim Becker » Sun Apr 11, 2021 7:43 pm

The light bracket bolts to a bracket welded to the battery box. The main light switch has 2 lights-on positions: D for dim and B for bright. These 2 positions supply different voltage to the front lights. In either position, full voltage goes to the rear light. If you have a combo-light, there is a switch on the housing of the light to switch between white and red.

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Glen
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Re: Rear light

Postby Glen » Sun Apr 11, 2021 8:34 pm

Hi,
You didn't say the year of the Cub, I guess it is your 1948 Cub.

At the bottom of this post is a pic from TM Tractor of a Cub battery box, showing the rear light bracket, on the rear of the box.

Below is TM Tractor's listing for a new battery box, you can look at the pics.

http://www.tmtractor.com/new/el/5721fp.htm

Below is TM Tractor's listing for a new rear light bracket.

http://www.tmtractor.com/new/el/427fp.htm

Below is their listing for the rear light clamp, it goes on the round shaft of the bracket above.

http://www.tmtractor.com/new/el/351fp.htm

The light needs a spacer on the threaded rod on the light, above the clamp. The spacer is thinner than the spacers on the original front lights.
There were 2 different thicknesses of rear spacer used through the years.
This spacer below should be right, the other spacer was used on newer Cubs, the Cub parts manual says.

http://www.tmtractor.com/new/el/802fp.htm

The rear light is shown some in the 1949 Cub owner's manual, but not up close, I think.
Below is a page with it in the pics. :)

http://farmallcub.com/rudi_cub/www.clea ... age-55.jpg
Attachments
Cub battery box.JPG

fiddler
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Re: Rear light

Postby fiddler » Sun Apr 11, 2021 9:08 pm

yup...the 48 cub. Thanks for the help. So now..I order the battery box...and the battery won't fit in it right? That would be my modus operendi....

fiddler
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Re: Rear light

Postby fiddler » Sun Apr 11, 2021 9:16 pm

So it looks like a couple of hundred bucks for the box and hardware...and I don't have the light yet. Maybe used would be less. Although my experience with used from ebay is that it costs more than TM new.... Well...in for a penny....

fiddler
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Re: Rear light

Postby fiddler » Sun Apr 11, 2021 11:26 pm

330 bucks...this better look real pretty!!!

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Glen
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Re: Rear light

Postby Glen » Mon Apr 12, 2021 2:00 am

Hi,
If you need a 6 volt battery, a group 1 battery fits in the battery box on my Cub.
Other people on here have said that they use that size.

I've never tried to put a battery in a TM Tractor battery box, hopefully that size fits it.
If you are going to buy one of their boxes, you could ask them what size 6 volt battery fits in it before you buy it.

Below is a new combination rear light at TM Tractor, you can look at the pics.

http://www.tmtractor.com/new/el/2036fp.htm

The 1948 Cubs originally had no combination rear light, just the white light like the front lights.
There is no combination rear light shown in the Special Equipment section in the 1949 Cub owner's manual.
A combination rear light can be added if you want.

Below are pics from TM Tractor of I think, the 1st style of combination rear light Cubs used, Jim B. said before that they started using it on Cubs in about 1951.

http://www.tmtractor.com/tm-tractor/gel ... t2_001.htm

They soon started using the newer light, like TM Tractor sells.

A 1948 Cub should have the 4 position charge rate, and light switch on the dash, if it still has the original style generator, with the Relay on top of the gen. :)

fiddler
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Re: Rear light

Postby fiddler » Mon Apr 12, 2021 2:39 am

Nope...I bought it sans generator. or generator bracket for that matter. I converted to 12vdc negative ground. Alternator. New alternator bracket. Unfortunately I found the new one after purchasing a used generator bracket and modifying it with threaded rod and bushings and spacers to run the new alternator... But the new bracket looks so much better....I will get a smaller battery for the box if needs be. I can use this one on the gate opener when that battery fails. I have the lights wired to the 4 position switch so that I can get headlights or headlights with rear lights. No dim lights...why would you want to do that? Thinking the red light would be good in case I need to run over to the neighbors field with it. (Not likely but prepared is best).

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Re: Rear light

Postby KETCHAM » Mon Apr 12, 2021 10:51 am

Always nice having a work light on tractors.....I'd be afraid with driving it on the road after dark....Nobody pays attention as it is....just sayin
47 CUB[Krusty] 49 CUB[Ollie] 50 H-- PLOWS DISCS MOWERS AND lots more stuff!!Life is to short -Have fun now cause ya ain't gonna be here long!!!!

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Glen
10+ Years
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Posts: 5352
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: Rear light

Postby Glen » Mon Apr 12, 2021 6:45 pm

There is also a clip for the rear light wire, it goes on the top bolt for the rear light bracket, and faces up.
Below is the listing at TM Tractor, there are pics in the listing.

http://www.tmtractor.com/new/el/1365fp.htm

Below is the listing for the 12 volt rear combination light.

http://www.tmtractor.com/new/el/2036-12vfp.htm

There is a size of 12 volt battery that fits in the Cub battery box, below is a page from the 1965 Cub operator's manual showing it in the battery box, and the cables.
This pic is the factory 12 volt system.

http://farmallcub.com/rudi_cub/www.clea ... age-25.jpg

Maybe someone with the 12 volt system will write the number of the battery.

If you buy a battery box, and want to ground the system the original way, to one bolt that holds the box down, for the 12 volt system, sand the bottom of the box, and the right side extension, around the bolt holes, so it makes a good contact. Wipe off all sanding with a clean rag.

Be sure that the bolt head at the ground strap is not sticking up so the battery sits on it, it might wear through the battery eventually.
You could check all the bolt heads to be sure they don't stick up too much, use a small straight edge. :)

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Re: Rear light

Postby Cubfriend » Mon Apr 12, 2021 7:19 pm

I believe the 12V battery you are referring to is the group 26R.
Frank


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