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John Deere Tractors Discussion Forum
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1949 D Spark Plug Routeing

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Wes

11-13-2003 19:24:56




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Mr. Clooney or who ever. How does the plug wires route from the distributor to the plugs. Also how many sets of wooden blocks should they pass through.
Thanks
Wes




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Glen in TX

11-14-2003 13:47:15




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 Re: 1949 D Spark Plug Routeing in reply to Wes, 11-13-2003 19:24:56  
We have done several Ds over years and this is what we found on them. Spark Plug Wire Routeing:
Styled D:
one- D1918R Wood Support Block on ventilator tube.(Two wires from mag go through two holes in block that slides on over ventilator tube and then wires go over intake to block on right hand side mounted to front gas tank support and then left wire goes over to left block mounted on front gas tank support.)(Split blocks with 2 holes mount with 1/4" carriage bolt and square nut.)

two- D369R Split Wood Support Block mounted on each side of front gas tank support over spark plug. (split wood block with two holes mounted with 1/4" carriage bolt and square nut.)

Unstyled D: Mountings on these vary by year. On early D we have found 3 of the D369R Split Blocks used with 1 on rear gas tank support behind mag and 2 on front gas tank support over spark plugs (1 on each side). This set up seems to be used on them up till 1931 in parts book but we have found this setup used on some up to 1934 and early 1935 models as well. According to parts book the same setup of blocks was used from 1931 on as on the later styled D using the 1 ventilator block and 2 split blocks on front.

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Jace

11-14-2003 10:10:19




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 Re: 1949 D Spark Plug Routeing in reply to Wes, 11-13-2003 19:24:56  
Wes, I have restored a few styled D's. Starting from the mag, the wires go to a wooden block mounted on the ventilation tube going from the air intake casting to the front of the governor housing. This block just has a big hole for the pipe to fit through, and two small holes running perpendicular to the big hole. From there, the wires run to the second wooden block mounted on the right side of the front gas tank support. Then, the left hand wire continues on to a third block mounted on the left side of the front gas tank support. It is exactly like an unstled D from 30-38, so Clooney's pictures should be right.

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Clooney

11-14-2003 04:38:32




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 Re: 1949 D Spark Plug Routeing in reply to Wes, 11-13-2003 19:24:56  
Wes, I have some archive pictures [actually quite a few on the un-styled, not many on the styled]..

~When I did my first un-styled "D" I did quite a bit of research. I haven't ever restored a styled "D" though..

~I can't see Deere changing the wire routing on the styled "D" over the us-styled but you never know..

~Here's my offer?? For what it's worth.. I will look in my archive photos for wire routing on the styled "D"..If I find anything credible [& useful] I will E-Mail them to you.. If you can determine if the styled "D" is the same as the un-styled I do have some photos there..

~Hopefully someone that has researched the styled "D" will pipe in here & help you..

~What mag are you running on that "D"?

~Send me your E-Mail address & if I find anything that can help you I will send it along..

[email protected]

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Wes

11-15-2003 19:22:20




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 Re: Re: 1949 D Spark Plug Routeing in reply to Clooney , 11-14-2003 04:38:32  
Clooney, My mag is a WICO Type X, I would like to see the pictures when you get a chance.
Thanks
Wes



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Wes

11-13-2003 19:26:30




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 Re: 1949 D Spark Plug Routeing in reply to Wes, 11-13-2003 19:24:56  
I should have said Mag instead of Distributor.
Wes



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