It looks the same. So if there is a draw bar in place the mod might be easier. If the older unit has a tether, a PS-3 mod will be much more involved.
PS-2 3V and PS-3 are available. So are PS-2 3v with 5Volt connectors to make a back fit to a PS-2 5V unit easier.
PS-2 Kits were on hold to ensure sufficent parts for production engines and repairs.
I think it will be a while before PS-3 kits would be out, if even needed. I think the PS-2 3V mod is easier to deal with for engines without PS-2 at all. To many upgrade options wouldn't make a lot of business sense, at least not to me. G
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