Allis D-14 wiring problem
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=149386
Printed Date: 13 Sep 2025 at 2:32am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: Allis D-14 wiring problem
Posted By: Dana Miller
Subject: Allis D-14 wiring problem
Date Posted: 11 Apr 2018 at 10:22pm
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I am putting A new ignition switch {2-wire} in my D-14.It starts,runs, but when I turn the key off it keeps running.Has been converted to 12 volt.I am not sure I put the yellow wire in the right place,also has A start button.I just need to know where this yellow wire goes...I forgot! Thank you!
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Replies:
Posted By: DougS
Date Posted: 12 Apr 2018 at 4:20am
Does it have an alternator? If so you need a diode or lamp on the exciter line. You can also change the 2-wire ignition switch to a key switch and use the ACC position for the exciter line.
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Posted By: jaybmiller
Date Posted: 12 Apr 2018 at 5:55am
Hmm.. yellow is the coil feed, through the ballast resistor. Since it was 'converted to 12V' , I'm with DougS and thinking it has an alternator on it now.
If so, the alternator wire is attached to the ignition switch on the coil side. Removing the alternator wire and putting it onto the other terminal of the ignition switch( the 'feed' side) will solve the problem.
I'm basing this on fig 184 of the I&T book, wiring for D-14 tractor.
What's interesting to me as none of the 3 wiring diagrams show a ballast resistor, and all 4 of the D-14s I'v had have them....
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3 D-14s,A-C forklift, B-112
Kubota BX23S lil' TOOT( The Other Orange Tractor)
Never burn your bridges, unless you can walk on water
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Posted By: Dana Miller
Date Posted: 12 Apr 2018 at 11:12am
has alternator,and key switch,also has push start button.wouldnt shut off when I put key in off position.thank you for responding.
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Posted By: Dana Miller
Date Posted: 12 Apr 2018 at 11:27am
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headed out to do this.hopefully this ole farm girl gets it right. thanks again Dana
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Posted By: DSeries4
Date Posted: 12 Apr 2018 at 6:51pm
Did you get a wiring diagram with your kit? Not all kits will use a yellow wire going to the same place. When in doubt, look over the wiring diagram and match up your wires.
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '63 D15D, '66 D15II, '66 D21II, '67 D17IV, '67 D17IVD, '67 190XTD, '73 620, '76 185, '77 175, '84 8030, '85 6080
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Posted By: Dana Miller
Date Posted: 12 Apr 2018 at 9:10pm
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no schematic was sent, but I followed what Mr.Miller said.Decided to re-wire all the hard old wires,and added A dash lamp and headlight wires today.Got it all done. Ran out of time for today to start it.Tomorrow I will run it and see.Thank you Dana Miller
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