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ALLIS-CHALMERS G
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Dan Hauter View Drop Down
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Joined: 06 Feb 2011
Location: Carlinville, IL
Points: 1253 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Dan Hauter Quote  Post ReplyReply Direct Link To This Post Topic: ALLIS-CHALMERS G
    Posted: Yesterday at 2:15pm
I have G# 7602. It's been stored in a shed with the battery removed. Unfortunately I don't remember how the battery was installed before. I bought a new 6 volt battery & installed it with the positive terminal toward the starter. I hooked up the positive terminal. When I attempted to hook up the negative terminal I got a lot of sparking. I reversed the battery & I'm getting less sparking but it still seems like too much to me. What am I doing wrong?
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PaulB View Drop Down
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Joined: 12 Sep 2009
Location: Rocky Ridge Md
Points: 4967 		Post Options Post Options   Thanks (0) Thanks(0)   Quote PaulB Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 2:18pm
6 Volt: + ground PERIOD, plain and simple. I've never known anything 6 volt to be -ground.
If it was fun to pull in LOW gear, I could have a John Deere.
Real pullers don't have speed limits.
If you can't make it GO... make it SHINY
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DSeries4 View Drop Down
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Joined: 12 Sep 2009
Location: Ontario, Canada
Points: 7454 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DSeries4 Quote  Post ReplyReply Direct Link To This Post Posted: Yesterday at 2:48pm
Sparking should not happen no matter which way the battery is hooked up.  Check your wiring.  You are grounding out somewhere.
'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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only AC orange View Drop Down
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Joined: 06 Dec 2014
Location: Eastern Indiana
Points: 500 		Post Options Post Options   Thanks (0) Thanks(0)   Quote only AC orange Quote  Post ReplyReply Direct Link To This Post Posted: 12 hours 55 minutes ago at 8:06am
Ignition switch on?
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WF owner View Drop Down
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Joined: 12 May 2013
Location: Bombay NY
Points: 4915 		Post Options Post Options   Thanks (0) Thanks(0)   Quote WF owner Quote  Post ReplyReply Direct Link To This Post Posted: 12 hours 34 minutes ago at 8:27am
Originally posted by PaulB PaulB wrote:

6 Volt: + ground PERIOD, plain and simple. I've never known anything 6 volt to be -ground.

... unless someone changed it over the years.

The systems can be easily changed from positive ground to negative ground by changing the two small wires on the coil, switching the wires on the back of the ammeter and "flashing" the generator.

If the wire going from the coil to the distributer is on the positive (+) side of the coil, it is positive ground. If the wire going from the coil to the distributer is on the negative side, it is negative ground.

I agree that only way you are getting sparks is if you have something in the system grounding out.
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