wiring d17 series IV
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=103360
Printed Date: 04 Nov 2025 at 4:12am
Software Version: Web Wiz Forums 11.10 - http://www.webwizforums.com
Topic: wiring d17 series IV
Posted By: allisd17
Subject: wiring d17 series IV
Date Posted: 16 Mar 2015 at 10:21pm
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Hello all, Im new to the forum a new to allis chalmers. Im in need of some advise. i acquired a D17 series IV and literally drug out of the woods. the previous owner quit using one day when it wouldn't start and there is sat for years until me. the motor wasnt stuck and for the most part complete. But i can't seem to get it to crank(even on starting fluid). its got new coil points and condenser, rebuilt the carb, plugs and wires look to be correct and in good order, power at the coil and to points.??? does anyone have any ideas what I'm over looking???? Second I've never fooled with positive ground equipment before this tractor has been converted to alternator and does that mean that it was converted to negative ground as well? and what other issues could going from pos ground to neg cause?
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Replies:
Posted By: DSeries4
Date Posted: 17 Mar 2015 at 9:09am
With an alternator on it, chances are it is a negative ground now. However, switching between positive and negative ground is very easy. Switch the battery cables around, switch the wires on the back of the ammeter, and switch around the 2 small wires on the coil and you are done.
You say you can't get it to crank. Does this mean that the starter is not turning the engine over? Have you checked the battery and cleaned the connections (and ground contact)?
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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: jlogli
Date Posted: 17 Mar 2015 at 4:41pm
Do you have 12 volts at the lead wire to the coil?
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1945 WC on full steel, WD wide front, WD45 power steering, 1966 D-17IVfactory 3 point.1967 D-17IV SC. 1973 rotobaler white top. orange top roto, model 90 combine,82S, four bottom plow.302 baler.
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