Drilled one T-813 Fuel Sender Plates to the most outboard internal tank rib. Right tank. Drill the T-813 Fuel Sender Plate to the most inboard interior tank rib. Right Wing. Dimpled on wrong side. Had to order a new one. Soldered the 15” wire to both BNC connectors. Crimped and soldered both 48” wire to terminal ends. Cut the large access hole on the inboard rib of both tanks.