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hunter321 
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 Topic: wiring
Posted: 11 Jan 2021 at 12:03pm |
I am rewiring my ac wd45 and was wondering if this is the correct diagram
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steve(ill)
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Posted: 11 Jan 2021 at 1:10pm |
that drawing was taken from the Allis B-C service manual..
I dont know about the WD45, but may be "close"... does your tractor have a Magneto ?
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hunter321
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Posted: 11 Jan 2021 at 2:01pm |
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Yes I believe it has a magneto
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hunter321
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Posted: 11 Jan 2021 at 2:44pm |
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Also does anyone know if I can get 6 volt led sealed beam lights for my wd45
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steve(ill)
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Posted: 11 Jan 2021 at 4:05pm |
hunter, you need to figure out what you want to have in the end. If you are restoring and want it original, then the 6v might be the way to go... If you use the tractor and want it more common with other vehicles, you might want to switch to a 12 volt battery. Your magnito does not use the battery, so ignition is no problem.. Your starter does not care if the battery is 6 or 12 volts and it does not care if it is positive or negative ground. Quite a few people have changed to a more common 12 volt battery and negative ground ( like your car or truck) when they are rewiring... If you do that, then head lights and other accessories are easier to come by.
The above diagram is basically right for a WD 45.. but i think you have a dash with light / switch, other that the B and C did not have.
Good time now to decide now what voltage / ground you want to have in the future.
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steve(ill)
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Posted: 11 Jan 2021 at 4:07pm |
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The charging system is also a concern. If your generator is in good shape it will put out just enough to keep a 12 v battery charged. You would eliminate the light switch resistor and install a voltage regulator... Another idea is to install a small automotive alternator with an internal regulator and simplify the wiring.... all depends on what you want in the end.
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hunter321
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Posted: 11 Jan 2021 at 6:34pm |
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I wired the tractor tonight and it still won't start it hasn't started in at least 14 years. It had a oil change wiring is brand new new battery but no spark.
I am restoring it and am keeping it 6 volt positive ground
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hunter321
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Posted: 11 Jan 2021 at 6:35pm |
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I am a 14 year old and have no idea what I am doing. I just look up what I need to know
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jaybmiller
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Posted: 11 Jan 2021 at 7:31pm |
re: 6 volt led sealed beam lights
yes, you can take a 12 volt sealed LED unit, providing it has BOTH red and black wires ( power to LED). You'll need to buy a 'voltage booster' module ( $5+-) good for the amps of the LED unit.
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steve(ill)
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Posted: 11 Jan 2021 at 7:56pm |
hunter, if you have a magnito it will have 4 wires on the cap that go to the individual spark plugs.. The magnito has no BATTERY POWER. It is a rotor and coil inside the housing that generates it own spark..
A DISTRIBUTOR ignition system has a black cap with 5 wires.. the one in the CENTER comes from an external coil that is powered from the battery... just like an old truck.
Assuming you have a MAGNETO with 4 plug wires only, you do NOT need any other wires or battery to get the spark.. All the battery does is crank the motor over... If you remove the black plastic magneto cap you will see a point inside that opens and closes and makes the spark JUMP... There might be corrosion on the point faces. spread them 1 /16 inch and drag some fine sand paper across the contacts several times.. See if that works.. If not, you might had additional problems with the condenser or internal coil.
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steve(ill)
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Posted: 11 Jan 2021 at 7:57pm |
the drawing show ONE WIRE going to the magnito from a KILL SWITCH.. Just to be safe, take that wire OFF THE TERMINAL to make sure it is not GROUNDED ( = no spark)
a magneto looks like this (below)... will have 4 spark plug wires.
a distributor cap looks like this ( below)
Edited by steve(ill) - 11 Jan 2021 at 8:10pm
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steve(ill)
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Posted: 11 Jan 2021 at 8:14pm |
hunter, dont take the mag off the tractor because right now you dont know how to retime it during install......... just watch this movie and maybe get an idea of how things work.
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DrAllis
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Posted: 11 Jan 2021 at 8:46pm |
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A WD-45 with a magneto ???
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hunter321
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Posted: 12 Jan 2021 at 6:19am |
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It definitely has a distributor. I have friends who have ac wd45 and can help with the work you guy mentioned before. Thanks
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Steve in NJ
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Posted: 12 Jan 2021 at 7:01am |
Sitting that long, it probably just needs some Brakekleen on a rag run through the points. It'll probably fire right up!
Steve@B&B
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WF owner
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Posted: 12 Jan 2021 at 7:20am |
 Steve in NJ wrote:
Sitting that long, it probably just needs some Brakekleen on a rag run through the points. It'll probably fire right up!
Steve@B&B |
... and it probably has a better quality condenser than you can buy today !
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hunter321
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Posted: 12 Jan 2021 at 8:33am |
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ill try that
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hunter321
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Posted: 12 Jan 2021 at 11:15am |
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if i have everything wired ecpet the light switch would it matter
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steve(ill)
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Posted: 12 Jan 2021 at 11:44am |
all you need is a hot wire going to the COIL from the battery ( negative if that is your HOT).... then a wire from the coil (+) to the distributor point..... those two wires will give your distributor point power... if it starts and you want to stop, just pull the little wire off the battery. ( or on - off switch).
you dont need the light switch, generator, etc.
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hunter321
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Posted: 12 Jan 2021 at 11:52am |
This is what I have wired right now 
Edited by hunter321 - 12 Jan 2021 at 11:55am
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steve(ill)
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Posted: 12 Jan 2021 at 12:01pm |
yea, that looks pretty good.. While you were posting, i took the ORIGINAL drawing at the top of the page, put the coil and distributor in, and highlighted the HOT wire ( negative), from the battery, to the starter, to the amp meter, to the on- off switch, to the coil to the distributor......... i think that is what you have shown..
Edited by steve(ill) - 12 Jan 2021 at 12:03pm
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steve(ill)
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Posted: 12 Jan 2021 at 12:05pm |
you dont need the light switch or the generators wires, or head light wires to make it run... all you need is the HOT red wires i have shown from the battery - starter - amp - switch - coil - distributor .... then the POINT has to open and close and have good contact faces.
like mentioned earlier... if you dont know if the amp meter and ingition switch are good.. you can run a wire from the battery negative terminal straight to the coil... and the coil wire to the distributor... it should have power with those two wires. ... you can also use a test light or meter to see if you have 6 v at the coil terminal.
Edited by steve(ill) - 12 Jan 2021 at 12:08pm
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hunter321
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Posted: 12 Jan 2021 at 12:12pm |
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The switch is new I am getting a new ammeter and me and my dad are going to see if I have power to the coil or not
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hunter321
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Posted: 12 Jan 2021 at 12:14pm |
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Once I get it started I am going to add in the light switch
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hunter321
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Posted: 12 Jan 2021 at 4:42pm |
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Could the sparkplug wires and the wire from the distributor to the coil be bad
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DrAllis
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Posted: 12 Jan 2021 at 5:03pm |
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Sure, they could be, but until you know you have power or not to the coil and thru the points, that is just a guess.
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hunter321
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Posted: 01 Feb 2021 at 10:55am |
I have power the coil and every thing but when I checked if I had spark I still dont
Edited by hunter321 - 01 Feb 2021 at 10:57am
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hunter321
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Posted: 01 Feb 2021 at 11:36am |
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What do I try next
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Sugarmaker
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Posted: 01 Feb 2021 at 12:59pm |
No spark? Might try cleaning points and or check/set point gap.
Need these things too which I assume you checked: Fuel? Check for flow through the carb. Compression? Check each cylinder for pressure on compression stroke.
Regards, Chris |
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ac45dave
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Posted: 01 Feb 2021 at 1:04pm |
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Make sure the distributor is grounded.If not grounded,then clean the mounting surfaces were the dist mounts into the engine.
Edited by ac45dave - 01 Feb 2021 at 1:04pm
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