Question about Campbell Hausfeld Welding Tools

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I had to put a new switch on the front of my 90a Campbell Hausfield wire welder. This is a three pronged on and on switch that is either high or low . One prong is 15a the other prong is 20a and the third is a ground. The problem is that the prongs on the old and new switch are labeled 1, 2, & 3 and I have no idea which one is high, which one is low and which one is the ground. When i got the welder someone had already dismantled that part of it. I also don't know which colored wire of the three is ground, 15a and 20a.

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  • David Hill Mar 12, 2011

    -I just need a wiring diagram for the hi-lo switch I just bought for a Farmhand Autostrike 85 welder made by Campbell Hausfield. It didn't have a switch for the 15a-20a hi/lo switch when I got it. So I don't know which wire is high,lo,or the ground. I also don't know which one of the three prongs on my new switch is high, lo, or ground.

  • David Hill Mar 12, 2011

    It is a Farmhand welder marketed by Tractor Supply, but made by Campbell Hausefield. It is an "Autostrike" 85. The closest thing to a model# I can find is DK688519AV. There is no model # on the back of the welder. It has a on-on rocker switch on the front that I had to replace, but I don't know the wiring of the three prongs I don't know which wire is hi, lo, or ground, and I don't know which prong of the 123 listing is hi lo or ground.

  • David Hill Mar 14, 2011

    Still not enough detail to really be helpful, but it was the best answer I got. I still need more detail in layman's terms and not so much "electrician" shop talk that I don't understand, and a wiring diagram.



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OK well usually whenever a switch such as this is utilized, usually the Center Connector is the "Feed/Fed " and the two "Outer" terminals are the "Outputs/Inputs", However this is NOT the way your switch is wired, it seems yours is more of a "Selector" switch, IE: Low to High.
What you first need to do, is use an Ohm meter, and find the Earth wire, (usually this wire is green, or green/yellow, sometimes even Black) but CHECK this, in any event, this wire is most likely the "Common" and the 15a & 20a are connected to that in turn? and when switched it selects a High speed or a Low speed, by the putting of a Ground signal on either one of those connections?
You also need to meter out the switch to find that common connection, and which one is active at default, and then use i would think, the LOW setting as default, with the High, being the selectable.
hope this helps, BE CAREFUL PLEASE.
I have searched for data on this but could find none, perhaps you could try the manufacturer, i have no doubt, they will assist you if you require.

Posted on Mar 12, 2011


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