Rear Combination Light for 180  
       
      Printed From: Unofficial Allis
        Category:  Allis Chalmers
       Forum Name:  Farm Equipment
       Forum Description:  everything about Allis-Chalmers farm equipment
       URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=208769
       Printed Date: 03 Nov 2025 at 9:33pm Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
      
 
  
      Topic: Rear Combination Light for 180
       
      Posted By: emh1889
       Subject: Rear Combination Light for 180
       Date Posted: 03 Nov 2025 at 7:15am
       
      
        
          
	
New to me 180, trying to figure out the rear combination light. It has the spot for the small 12v bulb it looks like, but no lead for that bulb. Does it use a bulb and lead wire like the dash lights do? The one on the tractor is a 4428. But what I find online looks like it should be a 4409? I’ll try to attach a pic of it  Also, has anyone done LED replacement bulbs for the front work lights? I’m not sure if I want to keep it original or make it functional  uploads/25985/IMG_4294.jpeg" rel="nofollow - IMG_4294.jpeg  uploads/25985/IMG_4294_2025-11-03_07-15-05.jpeg" rel="nofollow - IMG_4294_2025-11-03_07-15-05.jpeg 
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  Replies: 
       
      Posted By: TedN
       
      Date Posted: 03 Nov 2025 at 1:00pm
       
      
        
          
	
Not sure exactly what is supposed to be in that rear light, I know the one on my seriesIII has two wires coming out of the light stem, and one has enough damage to the insulation that I have it unplugged. I have been switching everything to LEDs not only for the added light but also because I had an alternator failure one night and had the lights completely out before I baled to the end of the row. I also pack a couple magnetic battery powered LEDs now, just in case. I did find some 4411 LED lamps that look similar to the incadescent lamps, have them in one of my balers and have been happy with them so far.
  Ted
  ------------- 190XTD seriesIII, 190XTD seriesI, maroon belly 7000, 190XTD series??? project(or maybe parts)
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      Posted By: emh1889
       
      Date Posted: 03 Nov 2025 at 1:14pm
       
      
        
       
      
      Posted By: plummerscarin
       
      Date Posted: 03 Nov 2025 at 2:50pm
       
      
        
          
	
Pretty sure it should be 2 wires. One field work, one for road lights 4409 is the sealed beam field light. This is my 170 HTH 
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      Posted By: emh1889
       
      Date Posted: 03 Nov 2025 at 2:54pm
       
      
        
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That would make more sense. They have some of the wiring messed up it seems. The fender flashers are on with all three light settings 
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      Posted By: AC720Man
       
      Date Posted: 03 Nov 2025 at 5:59pm
       
      
        
          
	
On my 190, the flasher comes on with each light setting…low beam and high beam. Also the rear red light. The 3rd click is high beam and rear work light only. No flasher or red light in that position.
  ------------- 1968 B-208, 1976 720 (2 of them)Danco brush hog, single bottom plow,52" snow thrower, belly mower,rear tine tiller, rear blade, front blade, 57"sickle bar,1983 917 hydro, 1968 7hp sno-bee, 1968 190XTD
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