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Allis Chalmers Discussion Forum
:

Wiring connections on CA Allis

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DCPULLER

02-23-2008 14:53:35




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Recently purchased a main wiring harness from Yesterday Tractor for a 1953 CA Allis. Front part of harness is self explanitory, yellow to lights, heavy red to field, short black to battery on cut out, and long black to coil. The heavy black to starter button. Now for the wires for under the cover, this is where we have questions. Heavy red and heavy black to each side of amp meter w/short jumper to light switch. There is a threaded hole in the top side of light switch, which wire goes there? There is a "s" by the hole. Hole on bottom side of switch for the yellow light wire? If we put power to jumper wire of light switch with the switch pulled out to the first click about halfway there is power at the hole on top of switch with "s" by it. If switch is pulled out all the way there is no power at top or bottom. Can some one tell me if the switch is bad and the correct way to connect wires in the box. The wires in the old harness had no color and were burnt up. Thanks

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George R. (MN)

02-25-2008 05:34:22




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 Re: Wiring connections on CA Allis in reply to DCPULLER, 02-23-2008 14:53:35  
DC,
I should have checked the photo closer, the arrows explaining the wiring do not appear. Anyway, "F" terminal from generator to resistor side of the light switch. Jumper from minus side of ammeter to terminal "B" on light switch. Wire from starter (small wire) to plus side of ammeter. Wire from cutout relay marked "bat" on generator to Minus side of ammeter, wire from coil (minus side) to ignition switch, minus side of ammeter to ignition switch. This would be for a 6 volt positive ground system. I hope this helps, good luck George

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George R. (MN)

02-24-2008 07:13:59




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 Re: Wiring connections on CA Allis in reply to DCPULLER, 02-23-2008 14:53:35  
third party image

Try pic again!



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DCPULLER

02-24-2008 13:35:24




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 Re: Wiring connections on CA Allis in reply to George R. (MN), 02-24-2008 07:13:59  
Question for CA wiring!
I would like to know where each of these wires go. The field wire and the battery wire and the wire from the coil to the switch and plus the starter wire. We have the wires for the lights hooked up right, but the rest I can't seem to get right. I would appreciate your help or do you think we have a bad switch? Thank You!



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DCPULLER

02-24-2008 08:27:02




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 Re: Wiring connections on CA Allis in reply to George R. (MN), 02-24-2008 07:13:59  
thank you much for the information

DCPULLER



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George R. (MN)

02-24-2008 07:11:28




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 Re: Wiring connections on CA Allis in reply to DCPULLER, 02-23-2008 14:53:35  
DC,

The wires for the headlights & tailights go to "S" terminal on the switch. I will try to post a picture. Hope this helps.
Good luck, George
thehttp://i152.photobucket.com/albums/s161/AGR_2007/11-04-07_1014.jpg



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