I installed the BAL Lockarm Kit on my fifth wheel. Essentially, it and the JT Strongarms are very much identical. As for the rear two bars, they attach to the center of the trailer frame slightly behind the jacks and angulate from the base of the jacks to the trailer frame.
There isn't any significant difference in the electric jacks and in the manual jacks (except how they are extended). The important thing to remember is that you need a good sturdy attachment point for the trailer end of the bars. I mounted mine to the trailer hitch that was welded onto our fifth wheel. Had it not been there, I would have bolted a piece of 3"x1" angle stock about 12" long in the location and mounted the bars to that angle stock.
The stabilizer jack "ground end pad" is the same on the electric scissors jacks that I've seen, so mounting that would be the same as the manual jacks.
I can post pictures of my installation of the BAL system if it would help, but essentially the Strongarm or BAL system is attached the same way to either scissors jack ground plate.
Good Luck.
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John
2015 F250 6.7l 4x4
2014 Cougar X Lite 27RKS
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