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Old Jun 16, 2020 | 03:28 PM
  #1  
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Turn Signal Wiring Question

1975 F250 4x4 Auto. Rebuilt the column, looks great if I do say so myself. Anyway, I put in a new TS Switch from Bronco Graveyard. For the 77 back trucks. Wiring is stock, cab, column all is correct for the truck.
My issue;
The OEM male plug is gone. Prior owner siliconed wires in. After cleaning all this up, each wire has a matching wire, as it should except 3. Instructions say this harness has a cruise wire in it, unused, but does not list color.
On the dash side I have a light green and a white(definitely looks white) that do not match the remaining two on the column side. One the column side, I have dark green, light blue, and dark blue w/black tracer. I tied the "tracer" wire back since there is nothing in the dash wiring to match it. Regretfully it was hot, and I was in a rush and pulled all the wires and silicone out before verifying all of the them....checked 4 out of 9.

I am thinking light green goes with dark green, and solid white to solid light blue. Again all other wires matched up color/tracer wise other than color being a shade lighter or darker but still the same "color" with or without tracer.
Anyone seen something like this before?
Is there ANYWHERE to get the male OEM curved plug?

Right now I have some marine style bullet insulators over the terminals to eliminate the chance or cross contact. It will work, but it would be nice to do it factory. I could cut and make my own plugs but there is not much of the harness to play with and do not want to do all this unless forced to.
 
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Old Jun 17, 2020 | 07:22 AM
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You can go to a Pull and Pay type wreaking yard and cut one off a harness if you can find s similar year truck there, or there is a swap meet post on this forum where you can ask if someone has an extra one they can send you.
Mark.
 
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Old Jun 17, 2020 | 07:24 AM
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https://www.ford-trucks.com/forums/1...ead-parts.html . Here's a link to the thread.
Mark.
 
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Old Jun 17, 2020 | 08:25 AM
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Daniel PM sent. The one I have is an 11 Pin spot with 10 being used.


 
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Old Jun 17, 2020 | 11:48 AM
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Thanks but I need the male plug end.....which has the female terminals. Guessing no NEW ones exist?
Good picture and shows my issue...all wires match to the switch but the green and blue....thinking the colors faded since it is light green and white on my plug side to dark green and light blue on the switch.


 
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Old Jun 17, 2020 | 12:30 PM
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So I read it as you needed the male end off the truck side of the harness. And you need one off the steering column elec connection end of it. Now I have to go see if I have a junk steering column I can cut THAT end off of...... ain't hunting parts fun.
 
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Old Jun 17, 2020 | 12:34 PM
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I changed the switch on my '77, and here is my post about it - with some pictures.

https://www.ford-trucks.com/forums/1...l#post17903778
 
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Old Jun 17, 2020 | 04:36 PM
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SO now I am thinking that there is at least a pin/wiring difference in a manual trans versus an auto trans as far as wiring/pin use. Agree? So I am pretty sure I can get you the column side U plug, but it will be from an auto trans column. That work? I can see where the confusion can come from using the plug outer body or the pins to decide to call it male or female.




 
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Old Jun 17, 2020 | 04:41 PM
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Meangreen 92 , thank you....I feel more confident about it now. I was 95% good now probably 99%. Your drawing is what I wanted to see. That showed the same, light blue, dark green. I should have checked it better before tearing it up but it was jerry rigged....I mean the PO silicone the wires in. It worked for sure, but looked like crap. I did not want to spend 5 hours of time rebuilding and repainting a column to leave a hack job such as that. Don't like how it is now with my rigging but without a plug it hard to make it work out. It looks a heck of a lot better than silicone though.
We will know soon enough once I get the front clip together and engine wiring done in the next week or so.

 
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Old Jun 17, 2020 | 04:44 PM
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77/79 I need that plug pictured....my column is an auto column but I am almost certain they are the same plug. That most recent pic, the plug WILL work and is what I need and what suppliers need to make again LOL.
 
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Old Jun 17, 2020 | 04:45 PM
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Heading to the parts shed....I am pretty sure I have a "for nothing but parts" column on the shelf.
 
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Old Jun 17, 2020 | 04:52 PM
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  sound good.
 
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Old Jun 18, 2020 | 09:13 AM
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Well I have a few spares, but the harness are already gone and the one with a harness is a tilt and I do not want to cut that elec connector off that one since the rest of the column is still in good shape. Well except for where the shift handle goes, but I have parts for that. I have a local JY that I should be able to source you one. I will head up there later on today and look.


 
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Old Jun 18, 2020 | 09:28 AM
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Understandable and sounds good.
 
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Old Jun 18, 2020 | 10:56 AM
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Originally Posted by 77&79F250
SO now I am thinking that there is at least a pin/wiring difference in a manual trans versus an auto trans as far as wiring/pin use. Agree?
I believe that that's on account of the light for the Shift Selector indicator on the top of the column?
Originally Posted by Dustin Daniel
Meangreen 92 , thank you....I feel more confident about it now. I was 95% good now probably 99%. Your drawing is what I wanted to see. That showed the same, light blue, dark green. I should have checked it better before tearing it up but it was jerry rigged....I mean the PO silicone the wires in. It worked for sure, but looked like crap. I did not want to spend 5 hours of time rebuilding and repainting a column to leave a hack job such as that. Don't like how it is now with my rigging but without a plug it hard to make it work out. It looks a heck of a lot better than silicone though.
We will know soon enough once I get the front clip together and engine wiring done in the next week or so.
Also once it's together, a potential source for a bad connection I've found is the two rubber (4 pin?) connectors down under the master cylinder. Sometimes my driver side front marker lights, the one above the headlight and the one on the fender, will stop working, and the problem is at that connector.
 
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