| fortyford | -- 09-07-2020 @ 6:23 AM |
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I was just curious if there is a diagram on where all the wiring clips and how the body wiring is routed from front to rear on a 40.
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| kubes40 | -- 09-07-2020 @ 6:29 AM |
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I am not aware of any chart from Ford that describes the placement. Which harness (exactly) are you wondering about? Mike "Kube" Kubarth
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| fortyford | -- 09-07-2020 @ 2:46 PM |
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The body harness from fire wall back to rear and Kube I think you said the tail light cross over clips to the rear frame brace?I don't understand the license plate light.I came up short on the wiring for it.Got new bulb socket with pig tail and new wire which runs through trunk lid.I guess I will need about 3.5 ft. more to go through trunk pan to power source????
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| kubes40 | -- 09-07-2020 @ 2:55 PM |
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The harness that runs back is placed along the outer frame rail - at the bottom. Typically four clips hold it in place. When it reaches the leg of the "X" member, it is fed through the hole in the frame at that junction and continues back. There is a short pig tail in this harness near (adjacent) the front of the fuel tank. There should be a hole in the floor pan near the reinforcement / body mount in the pan. The wire comes up through there and is connected to the wiring that ultimately goes to the license lamp. That hole in the pan got sealed with body putty - a clay like substance. What body style are you working with? Mike "Kube" Kubarth
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| fortyford | -- 09-07-2020 @ 3:21 PM |
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Thanks,Kube.I am working on a coupe.
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| kubes40 | -- 09-07-2020 @ 5:44 PM |
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I'll soon be wiring my latest project, another '40 coupe. If you want photos of where the wire passes through the floor or anything else, let me know. Mike "Kube" Kubarth
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| fortyford | -- 09-08-2020 @ 4:41 AM |
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Thanks,Kube.I can't understand on the new body wiring harness I have it seems to be a might to long?I had to kinda loop a small amount up about were the master cylinder is?The old one I took out was the same way?Is there by chance a difference in sedan,coupe or sedan delivery?If I stretched it on out to very rear of car I would come up short on my brake light wires to master cylinder?Does this make since?Just wondering if anyone else has ran into this problem?
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| JayChicago | -- 09-08-2020 @ 9:17 AM |
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I just installed a body harness from Road Island Wiring on Saturday, so I can offer some thoughts, for what its worth. (can't be sure I was doing everything correctly. I did try to replicate the harness removed, which was clearly from-the-factory, didn't appear to have ever been altered) The rear of the harness does not go all the way to rear of car. It terminates next to gas tank. The taillight looms then reach forward to it. Some extra length in my original harness was curled into the frame rail up front, where it connects to the front harness. I did the same with the new harness.
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| kubes40 | -- 09-08-2020 @ 10:08 AM |
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Jay, sorry, but that is not correct. Mike "Kube" Kubarth
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| fortyford | -- 09-08-2020 @ 10:50 AM |
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Thanks Jay,I am glad someone else is seeing the same thing I ran into!My body harness would have easily went to rear cross member but like I said I would have come up short on the brake light wires reaching master cylinder?What is up with this???Jay,did you by chance come up short on the wiring to the lincense plate light?It appears something is off some where.Only thing I could have done was take up the extra forward around the radiator I reckon? This message was edited by fortyford on 9-8-20 @ 11:25 AM
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| kubes40 | -- 09-08-2020 @ 12:29 PM |
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If you and Jay are running in to the same issue, I have to wonder what harness you got? Rest assured, the harness was installed the way I'd described earlier. In '39 it crossed over on the front lip of the fuel tank. In mid- '39 that was changed to the rear cross member. I have never had an issue with a harness being too short. Not only am I in to my seventeenth full resto ('39 and '40 Fords), I've rewired a number of them as well. Not once have I experienced what you two describe. Mike "Kube" Kubarth
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| fortyford | -- 09-08-2020 @ 2:19 PM |
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Kube,mine was not to short it was about a foot to long and I had to order an extra length wire to get my lincense plate light hooked up!
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| JayChicago | -- 09-08-2020 @ 2:38 PM |
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No problem with the harness. Mine is installed and all is well. I think only problem is miss-communication of minor details thru these short messages. fortyford, re your license plate wire: I believe the license wire on the trunk lid connects to a a second wire behind the side wall liner of the trunk, and that second wire then runs down thru a hole in the floor board as described by Kube above. You will need that second wire. (on my car that wire remains the original, since it was well protected behind the trunk wall liner and is in excellent condition) This message was edited by JayChicago on 9-8-20 @ 2:49 PM
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| fortyford | -- 09-08-2020 @ 3:43 PM |
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Jay,there is really 3 wires for the license light in my case.There is the socket pig tail,the second wire through the trunk lid and there is the third wire going through the trunk floor that I am getting from Tyree Harris that is I think 53 Inches that is suppose to be for like 38 -48 Ford cars.Like you my harness works good and I will have to say I finally have 6.24 volts at the headlight plugs now.I still will never understand the extra loop thing.Sorry guys,I could go on and on about this license light.Kube,where do you get your wiring and how many going to the license light,I have to ask. This message was edited by fortyford on 9-8-20 @ 6:28 PM
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| JayChicago | -- 09-12-2020 @ 12:21 PM |
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Follow-up: It bothered me that Kube said I did not have the body loom correct, so today I went back under the car. I eliminated the extra loop of loom at the front by sliding the loom back about 2 or 3 inches. BUT...this slides the brake switch branch-out back to the frame cross member, which does not agree with Figure 4-7 in the current 1940 Ford Book, and is not what I found with the removed loom. (shows brake switch branch just aft of MC) My Rhode Island loom has what seemed like too-long brake switch wires, so having the loom branch-out point a few inches aft actually helps with that extra dangling wire. So I am going to leave it that way for now. Some day I may get a chance to see a Kube restoration in person. If possible I'm going to slide under that car, to see how these little details should be done.
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| fortyford | -- 09-12-2020 @ 3:01 PM |
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Jay,I ran into the same thing with brake light wires.Mine are pretty much stretched out.I also got my other license light wire that goes from body harness up through trunk floor to trunk lid wire part # 11A-14415C(41-48 LIC LT EXT W)53 inches long,came with complete wire loom,worked perfect. This message was edited by fortyford on 9-13-20 @ 7:14 AM
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| kubes40 | -- 09-19-2020 @ 5:25 PM |
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Hi guys, I just came in from running my wiring along the frame and rear cross member. Mine fit perfectly. My one and only complaint was the wires that go to the master cylinder had incorrect ends on them. It was easy to replace them with the proper ends but in my opinion, I shouldn't have had to. I still believe if you guys had the fitment issues you describe, your harness was not made correctly. I got my wiring from Mike Driskell. Mike "Kube" Kubarth
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