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02-10-2023, 11:18 AM | #1 |
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Turn Signal Junction Block Confusion
Ok, the installation of all the new wiring harnesses in my '51 Tudor is going pretty smoothly, HOWEVER I have a number of wires that the diagrams simply say "To turn signal junction block" but there is NO diagram of the ins and outs of this block. I know it's a long shot but wondering if anyone has a pic of this block (with wires) or could sketch it? Any diagrams out there that say '49-'51 turn signal diagram show '49-'50, this is a '51 only thing. The attached pic of this block shows that the upper 4 holes are "conjoined" so that makes things more interesting. Electrically speaking, I'm not the sharpest knife in the drawer,... any insight most welcome. Thanks
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I went, I saw, I bought the T shirt 51 Ford Deluxe Tudor 32 Ford roadster 39 Mercury Towncar |
02-10-2023, 12:02 PM | #2 |
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Re: Turn Signal Junction Block Confusion
If you can imagine that block bent back on itself so you can see both ends at the same time this diagram might be helpful. It's for a 57 but on those models the flashers were normally included as standard. There appear to be 2 blocks. One is on the inner fender I can't remember where the other one is.
http://www.oldcarmanualproject.com/t...re5765-195.jpg Here is a close up of the block. The black wire from the flasher unit goes to one of the single straight through terminals. The blue wire goes into the other end of the same terminal and feeds the indicator switch. |
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02-10-2023, 12:53 PM | #3 |
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Re: Turn Signal Junction Block Confusion
Thanks Mart for the diagram, I'll study it a bit and see if I can relate it to my situation. I admit, if I were completely clear on the power "flow chart" I could figure it out. I mean from where is the power supplied to the turn signal system, from the TS switch, from the flasher? or? Thanks.
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02-10-2023, 01:41 PM | #4 |
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Re: Turn Signal Junction Block Confusion
There ought to be an original Ford diagram posted 'somewhere'. I had (or have) the original Ford diagram (if I could find it?), and I know it got posted on BillB's site many years ago. I've run across the posting from time to time, and I would think it could be found. The diagram came with the TS kit that was available from your local Ford dealer, back when these cars were new. (49-51)
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02-10-2023, 02:10 PM | #5 |
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Re: Turn Signal Junction Block Confusion
Maybe, this?
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The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 Last edited by petehoovie; 02-10-2023 at 02:17 PM. |
02-10-2023, 02:44 PM | #6 |
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Re: Turn Signal Junction Block Confusion
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See if you can then trace it from there. |
02-10-2023, 02:55 PM | #7 |
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Re: Turn Signal Junction Block Confusion
And, then there is this diagram >
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The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
02-10-2023, 03:14 PM | #8 |
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Re: Turn Signal Junction Block Confusion
The terminal block in post #1 is the type with a pair of twin sockets and four independent sockets. This shows in the diagram. Diagrams are on the VanPelt Sales web site under drawings/electrical for reference. The twin sockets can be fed by one wire with two wires on the output end. Ford made these sockets in various configurations such as single row and double row like the one pictured. The Mercury cars also used them and they came with turn signals as standard equipment so those diagrams can also be of some reference. Turn signals were optional on Fords so not all diagrams have them.
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02-10-2023, 03:15 PM | #9 |
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Re: Turn Signal Junction Block Confusion
Thanks but no, that is the 49-51 diagram that SHOWS 49-50, 51 is a different dash.
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02-10-2023, 03:42 PM | #10 | |
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Re: Turn Signal Junction Block Confusion
Quote:
Thanks Rotor, I did figure out those terminal blocks with the twin & single sockets when doing the front parking/turn signal crossover wires, which are on the main schematic.
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02-10-2023, 03:44 PM | #11 |
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Re: Turn Signal Junction Block Confusion
Is this junction block mounted on the inner fender panel or there abouts? If so this may help. From what I see, three are joined and there are two singles.
Based on my experiences, the ones that are joined as follows: 1. Headlight high beam 2. Headlight low beam 3. Parking lights The two singles are for the signal lights, one for each side. Ford has used these blocks for a number of years and look like the same on my 54 Victoria and 56 Bird. For the joined ones, there is one wire in coming from the harness and two going out to a light on each side of the car. On the singles, one in from the harness, one out to the bulb I hope this clarifies it a bit. I would surmise that 51 was the first year Ford considered signal lights more or less to be standard so the 51 junction block would be different from 49/50.
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48 Ford Conv 56 Tbird 54 Ford Victoria Last edited by paul2748; 02-10-2023 at 03:54 PM. |
02-10-2023, 03:47 PM | #12 | |
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Re: Turn Signal Junction Block Confusion
Quote:
I agree bobH, and I'm looking all over. Kinda funny, over on the HAMB there are a ton of '51 turnsignal diagram requests, and most answers refer to diagrams that show everything but.
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02-10-2023, 04:04 PM | #13 | |
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Re: Turn Signal Junction Block Confusion
Quote:
Paul, the block(s) you mention are on the LH and RH sides of the radiator bulkhead and are wired as you mention. The block I'm working out is under the dash. Thanks for the input.
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02-10-2023, 04:10 PM | #14 | |
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Re: Turn Signal Junction Block Confusion
Quote:
Great info Mart! Referencing the pic of the block in my first post, do you think the feed to the directional switch goes into one of the "double sockets"?
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02-10-2023, 05:04 PM | #15 | |
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Re: Turn Signal Junction Block Confusion
Quote:
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The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
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02-10-2023, 06:47 PM | #16 |
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Re: Turn Signal Junction Block Confusion
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02-10-2023, 06:55 PM | #17 |
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Re: Turn Signal Junction Block Confusion
Ford would run the harness down the left side to the first terminal block for headlight, park light, and horn. They then have the cross over from one side to the other terminal block. Headlights will both be on at the same time so they will have cross overs for low beam and high beam circuits. The horns have a cross over for both to operate at the same time. Park lamps are separate from head lamps but would have a cross over to function both. The turn signals are separate so they have their own wires for each side. It would basically be one wire for left and one for right on them.
This link is to VanPelt Sales. the 1951 Mercury and the 1952 Ford have turn signal circuits. http://www.vanpeltsales.com/FH_web/F...950-51merc.jpg The Mercury has a terminal block hanging from a wire next to the steering colomn for the turn signal stuff to connect to but I don't know what the Ford had in 1951. It was likely supplied in a kit for dealers to install per customer request. This is for 1952 Ford car. It might match up better. http://www.vanpeltsales.com/FH_web/F...wiring1952.jpg Last edited by rotorwrench; 02-10-2023 at 07:26 PM. |
02-10-2023, 07:30 PM | #18 |
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Re: Turn Signal Junction Block Confusion
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The only thing nice about being imperfect is the joy it brings to others.... "Silver rings, your butt! Them's washers!" "We shot our way out of that town for a dollar's worth of steel holes!" - from 'The Wild Bunch' - 1969 https://www.youtube.com/watch?v=7NReUd2_0u0 |
02-10-2023, 08:33 PM | #19 |
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Re: Turn Signal Junction Block Confusion
THANK YOU SO MUCH to all who responded and provided diagrams and such which helped me a bunch. I did contact the guys at Shoebox Central (30 min. before they closed) and asked if they could pull the diagram sheet that comes with their column turn signal harness, take a pic of it and email to me. They did,.... and it answered any remaining questions I had. Got it all sorted out!
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02-20-2023, 01:49 PM | #20 |
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Re: Turn Signal Junction Block Confusion
Does this help?
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