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BrianJones 
Bronze Level
Joined: 01 Jun 2018
Location: Georgia
Points: 23
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 Topic: '57 AC WD45 - Turn over but no fire
Posted: 01 Jun 2018 at 11:26am |
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Hey all, I'm new to the tractor world. I've recently purchased a '57 WD45. It ran great and everything worked perfectly. I noticed that the battery terminals were cracked and the positive was broken all of the way through. I replaced both terminals. It sparked in the process and blew two inline fuses behind the panel where the ignition switch is. They were replaced. I also noticed that the ballast just before the solenoid looked blown too. With it being a 12volt system I'm not sure if that ballast is required
However, now the motor just turns over and the carb floods, but not joy. I'm not getting any fire to the plugs. Any ideas or thoughts? Could I have blown a switch itself?
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Hubert (Ga)engine7
Orange Level
Joined: 12 Sep 2009
Location: Jackson Cnty,GA
Points: 6178
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Posted: 01 Jun 2018 at 12:19pm |
Possibly fried the points, bad condensor or bad coil. I assume it is battery and coil ignition and not a magneto. If by chance it has a pertronix electronic ignition installed it would probably be toast now. Your best bet is to start chasing voltage from the battery through the ignition switch to the distributor and coil. Steve at B&B is the go to guy on all things electrical on these old tractors. http://www.bb-customcircuits.com/ There are a lot of others on here that know a lot more about these than I do.
BTW Welcome to the Forum. This is the best place to get information about Allis Chalmers and just about anything else also. What part of Georgia are you in? I am just above Athens and there are several other members scattered about the state.
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Just an old country boy saved by the grace of God.
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JoeM(GA)
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Joined: 12 Sep 2009
Location: Cumming,GA
Points: 4555
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Posted: 01 Jun 2018 at 12:24pm |
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welcome neighbor!!
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Allis Express North Georgia
41 WC,48 UC Cane,7-G's,
Ford 345C TLB
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Stan IL&TN
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Joined: 13 Sep 2009
Location: Elvis Land
Points: 6730
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Posted: 01 Jun 2018 at 1:20pm |
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1957 WD45 dad's first AC
1968 one-seventy
1956 F40 Ferguson
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DrAllis
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Joined: 12 Sep 2009
Points: 19735
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Posted: 01 Jun 2018 at 2:02pm |
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You need a simple 12V test light to see where power is and power is not.
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BrianJones
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Joined: 01 Jun 2018
Location: Georgia
Points: 23
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Posted: 01 Jun 2018 at 2:10pm |
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Power was lost immediately after the ignition switch. Bypassed the headlight switch and amp meter. Fired right up. Thanks.
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DougS
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Joined: 03 Nov 2011
Location: Iowa
Points: 2490
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Posted: 01 Jun 2018 at 2:30pm |
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Headlight switch shouldn’t matter. Ignition switch matters. When you said, “lost power right after ignition switch” did you mean was or was not on the output side of the switch?
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JC-WI
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Joined: 11 Sep 2009
Location: wisconsin
Points: 33709
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Posted: 01 Jun 2018 at 7:40pm |
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Maybe your amp meter got fried???
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He who says there is no evil has already deceived himself
The truth is the truth, sugar coated or not. Trawler II says, "Remember that."
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DSeries4
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Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7254
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Posted: 01 Jun 2018 at 9:12pm |
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WD45 does not use a ballast or solenoid. It must be a farmer creation...
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'49 G, '54 WD45, '55 CA, '56 WD45D, '57 WD45, '58 D14, '59 D14, '60 D14, '61 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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