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rgmutchler Member
Joined: Sep 28, 2008 Posts: 344 Location: Caldwell, Texas
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Posted: Fri Mar 13, 2020 3:04 pm Post subject: Fuel Vent Line on M38 |
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I am in the process of installing a wiring harness and in that process once I got the fuel gauge working I looked at the fuel tank vent.
I am having some problems determining how it is routed. It appears that it follows the path of the fuel tank sender wire and then exits out a hole in the left top of the firewall. (hole #18 in Ryan's book). After coming out that hole it goes across to the air cleaner.
So when I look at the route the lower cowl support has one hole in it and I used it for the fuel tank sender wire and loom. But I don't find a separate hole in the lower cowl support for the 3/16 vent line. I replaced the lower cowl support and maybe it wasn't replicated in the replacement part.
In any case I don't want to route the line around the lower cowl support.
This picture shows the path the fuel sender wire through the lower cowl support.
I have spent a lot of time in the picture albums and the manuals looking for a picture. I am not saying there isn't one, just that I haven't found it. So any comments or info is appreciated. _________________ R G Mutchler
M274A5
M-38 MC13312
http://willysmjeeps.com/v2/modules.php?set_albumName=rgmutchler&op=modload&name=gallery&file=index&include=view_album.php |
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BobW Moderator
Joined: Apr 04, 2005 Posts: 218 Location: Monticello, NY
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Posted: Fri Mar 13, 2020 6:09 pm Post subject: |
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Here is what my 1952 looks like. It is probably original. Your Jeep has an early serial number so it could have been different then.
_________________ Bob W. Monticello, NY. 1952 CJ3A, 1952 M38, 1950 CJV-35/U |
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1889 Location: South Carolina, Dorchester County
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Posted: Fri Mar 13, 2020 7:48 pm Post subject: |
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Hi RG,
If it helps, mine are exactly like BobW's photo.
I also snuck a ground wire into the loom with the sender wire. It goes from the sender body top plate to the same ground used for the gauge panel.
Wes' advice.
_________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
Last edited by RonD2 on Fri Mar 13, 2020 9:05 pm; edited 2 times in total |
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rgmutchler Member
Joined: Sep 28, 2008 Posts: 344 Location: Caldwell, Texas
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1889 Location: South Carolina, Dorchester County
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Posted: Fri Mar 13, 2020 10:09 pm Post subject: |
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RG,
I edited my post to add a photo of mine, right after your post.
And if you'd like some measurements let me know and I'll see what I can do. _________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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Ryan_Miller Site Administrator
Joined: Apr 03, 2005 Posts: 1634 Location: Kansas
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Posted: Sat Mar 14, 2020 6:20 am Post subject: |
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Ground wire is a good idea!
I did the same thing. The fuel sending unit really needs it to work reliably in my experience. _________________ Ryan Miller
MVPA # 22010 |
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rgmutchler Member
Joined: Sep 28, 2008 Posts: 344 Location: Caldwell, Texas
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1889 Location: South Carolina, Dorchester County
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Posted: Sat Mar 14, 2020 6:42 pm Post subject: |
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Hi RG,
Sorry for the delay. A little tricky getting good measurements with stuff in the holes, but this should be pretty darn close.
I left one critical measurement off the drawing: the bottom edge of the bottom hole is 9-9/16 inches above the drivers floor, measured straight (not following the curve) up the slope of the rear edge of the cowl support brace.
Measured a different way, the straight line vertical distance from the bottom edge of the bottom hole to the drivers floor is 9-1/8 inches.
Hope this is clear enough to help. Please let me know if you need anything else I can do.
[/img] _________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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wesk Site Administrator
Joined: Apr 04, 2005 Posts: 16227 Location: Wisconsin
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rgmutchler Member
Joined: Sep 28, 2008 Posts: 344 Location: Caldwell, Texas
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RonD2 Member
Joined: Oct 02, 2014 Posts: 1889 Location: South Carolina, Dorchester County
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Posted: Sun Mar 15, 2020 11:28 am Post subject: |
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It never ocurred to me to look at the right side! So I just did and can confirm it has the same measurements as the left. Much easier to measure without stuff in the holes. Thanks Wes!
Wes' photo also reminds me that I need to locate and punch (not drill) the holes for my floor drains..... _________________ Ron D.
1951 M38 Unknown Serial Number
1951 M100 Dunbar Kapple 01169903 dod 5-51
“The only good sports car that America ever made was the Jeep."
--- Enzo Ferrari
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