What kind of sheet or screen do I use as a contact for theplacing of the gold upon while submergered in the salt water and to connect the positive contact to. Also I understand to connect the. Negative to a stainless steel rod or carbinide rod for being submerged in the water? I believe one of the types will cause the gold to attach to it? Also a somewhat low voltage/amperage is all that is needed to recover the gold plating before melting with a bit of flux to remove impurities . Result being sellable gold ingot/s?

Taking plating off does NOT work that way...
I wish it did, I would have many many hours of my life back!!

The weight of the gold is Very Very small on a plated piece. If you where to have enough gold to sell of then a true Refiner is the answer. They will pay you for both the gold and silver. But a large quantity is needed to be cost effective.