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1973 - 1979 F-100 & Larger F-Series Trucks Discuss the Dentsides Ford Truck
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A new daily driver F 150 '78 4x4 for the rest of the time.

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Old Feb 22, 2026 | 07:04 AM
  #211  
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Hello, I was just at the truck again. The cable problem is still bothering me. I've solved the simple things like the lights and heating. What I'm still missing are individual plugs for which I don't have a counterpart.
The electrical diagrams I can see are only very general, with lights, switches on the dashboard, and steering wheel. I have a few photos of what I'm missing.

Starting in the engine compartment at the air conditioning box. Flat plug with two cables and one cable continues. At the end, a plug for flat plugs.


Then plug driver side where the wiring harness goes into the engine compartment.



Then in the dashboard. Behind the speedometer. Two plugs at an angle. One white and the other black.



Then there are blue/white cables with plugs. I plugged them into the lights in the footwell. But I'm not sure if I did that right. And if that's where they belong.







Then there is another cable coming out of a yellow distributor.


Finally, there is one switch left. With a long cable. Looks like an accessory.




If anyone has any ideas, I'd be grateful for anything. I'll try the internet again. Today is Sunday afternoon and it's raining. So it's hardcore couch potato time and tablet metal.

Best regards, Bernd 61 HD


 
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Old Feb 22, 2026 | 07:42 AM
  #212  
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I’m not near my truck now so I can’t post a picture but I have that switch. Mounted above the left shoulder behind the door.
It controls the light that is mounted on the cab and illuminated the bed.
 
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Old Feb 22, 2026 | 08:08 AM
  #213  
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Originally Posted by NM76F150
I’m not near my truck now so I can’t post a picture but I have that switch. Mounted above the left shoulder behind the door.
It controls the light that is mounted on the cab and illuminated the bed.
Hello, thank you for your reply. I have a switch above my left shoulder. It's for the cargo light.
Best regards, Bernd 61 HD

 
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Old Feb 22, 2026 | 11:15 AM
  #214  
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Hello everyone, I'm moving on. The two connectors in the dashboard are for the DIR flasher and hazard flasher.


I have now studied various diagrams and found the relays based on the colors of the cables.
Regards, Bernd 61 HD
 
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Old Feb 23, 2026 | 02:33 PM
  #215  
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Hello, this morning I was able to open the gates for the first time without freezing to death. It's now 10 degrees. So first, I'll seal the loading area with Owatrol for the third and last time.


Then I got an LPG system. From an F 100 with a carburetor engine. I still have an LPG tank.






That part has to come off. The truck is going to be my everyday vehicle. That's why LPG is more convenient when refueling.

Then I moved on to the dashboard. I installed the speedometer and tried to install the radio. It's not that easy. First, I cleaned and repaired the cover.








Then I cleaned and installed the sun visor. The illuminated mirror turns the truck into a luxury vehicle.



Then back to the cables. First, the cables for the front headlights and turn signals. I don't need to replace the entire cables. The copper stranded wire was not oxidized and was still easy to solder. So I only needed to replace the lamp sockets.



Then the rear wiring harness. The problem was the junction for the old trailer socket. The repaired section was disconnected and soldered back together.



Throughout the day, the weather was used to sandblast and prime the trailer coupling.



In the afternoon, I painted it black. Twice. Since it is nitro paint, the color dries quickly.



That will allow it to dry properly. Then apply clear varnish on Thursday.

Best regards, Bernd 61 HD


 
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Old Feb 23, 2026 | 04:00 PM
  #216  
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Moving right along!
 
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Old Feb 24, 2026 | 01:23 PM
  #217  
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Hello, today we continue with the trim strips. The last delivery also included the clips from Carpender. The Owatrol sealant is dry and now the trim strips can be refitted. First, clean everything inside and out.






I used clips for screws wherever there were holes. The individual spots that are difficult to reach are in the wheel arch above the stiffening plate. But with a lot of skill, I managed it. The first side was then finished. But it took a long time with all the cleaning and polishing.


Then the other side. Same procedure. Except that I'm missing a trim strip.



I turned the whole place upside down. Didn't find anything. But I did find everything else I'd been missing for a while.

Then I fitted the missing trim strips to the front fenders. I couldn't do that before because the clips weren't here yet.




Then the decorative moldings for the door frame. Clean and polish them again.







That was OK for today. I just don't like the missing trim strips. Maybe they'll turn up somewhere. Probably when I'm looking for something else.

Regards, Bernd 61 HD



 
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Old Feb 26, 2026 | 01:15 PM
  #218  
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Hello, this morning I moved the LPG tank again and tested how I could attach it. I lifted the tank with the jack and tried out different positions. I don't like it at all. I'm going to attach the tank to the loading area. There's enough space there.


Then coat the trailer coupling bracket and other parts with clear varnish.



Since I was already painting, I started painting the loading area from below with beige paint. Before that, I wanted to drill out two broken screws.







I also managed to make holes in the screws, but I still had a long way to go. After half an hour, I gave up. Then I raised the loading area and got started. Unfortunately, I didn't have enough paint.




So I ordered the paint and took the loading area back to the workshop.

Then I started laying the cables for the negative line. First, I had to prepare everything.



Then installed right away. From the battery to the motor and then to the frame.



I also prepared the small ground cables from the frame to the cabin and inner fenders. But I want to solder the cable lugs there. Unfortunately, my propane cartridges are all empty. So I'll have to postpone that.

Then I closed the openings for the lambda sensor with screws. To do this, I had to adjust the sealing rings.



I managed to get that done somehow. I actually wanted to finish the cable to the starter motor too. But my cable isn't long enough. So I'll have to order one.
At the moment, I feel like nothing I do is getting anywhere.

Best regards, Bernd 61 HD
 
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Old Feb 28, 2026 | 03:04 PM
  #219  
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Hello, I started early on Friday morning. First, I unpacked the LPG system.


Simple technology. Just one cable and one Bowden cable. But there's still time.

Then the bracket for the trailer coupling. Everything was assembled and tightened correctly. The bumper was also reinstalled.






Then cables again. The ground cables were soldered. Also installed immediately. From the frame to the cabin and to the inner fender.




Then continue inside. First, the anti-drumming mat.




Not bad. Then I put the carpet in right away. It can stay there for now. It looks like the carpet fits perfectly.






Then back to the dashboard. The two relays have arrived. Then the radio. I adjusted it and made a metal strip to hold the radio in place.








The metal strip was then screwed to the ashtray bracket.


Then I could still mount the mechanism for the hood.




The hood can only be opened from the inside and only if you unlock the latch with the ignition key. I don't like that very much. I'll think of something to make it easier to open the hood.

Regards, Bernd 61 HD


 
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Old Feb 28, 2026 | 11:49 PM
  #220  
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Hi, yesterday I continued working on the cables. I organized and laid various cables in the engine room.


I also installed a fuse on the main line. I think a main fuse is important in an old vehicle.



Then there was a piece of brake line missing on the front axle. The original one had become too short. So I installed a longer brake hose. I had to make the rest of the brake line myself.



Of course, it was tedious to keep crawling under the truck and back again. But it worked. Another job done.

I made the most of the rest of the day and the weather and first drove Elwood out of the garage and washed it. Then I woke up the Mercury.





I wish everyone a pleasant Sunday.

Best regards, Bernd 61 HD


 
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Old Mar 2, 2026 | 12:32 PM
  #221  
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Hello, today I pursued other projects first. The motorhome had a flat tire.
The valve extension had come loose.




That was then done.
After that, I finished painting the truck's loading area. The paint had arrived on Friday.






Then I ordered gear oil. I've been reading a lot about the subject over the last few days. I'll take this one.



It has exactly the same approval rating as my dipstick. My Elwood motorhome has the same one.
Then I did something else to the Mercury.
Best regards, Bernd 61 HD

 
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Old Mar 2, 2026 | 01:22 PM
  #222  
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Killing it Bernd!!!
 
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Old Mar 2, 2026 | 06:44 PM
  #223  
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Nice find !
 
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Old Mar 2, 2026 | 07:06 PM
  #224  
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You have done a ton of work and it all looks very good !
Hope I can come close.
 
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Old Mar 3, 2026 | 04:00 AM
  #225  
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I'm looking for rubber seals and the guide rail for my opening rear window. It's the sliding window with a divider. I specifically need the guide rail. Does anyone have these in stock? A picture is attached. I'd be grateful for any tips. I haven't found anything at the usual suppliers like Carpender and NPD.

Thanks in advance.

Regards, Bernd
 
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