Corrected misaligned fuel gauge in right wing, transferred five gallons fuel from left wing to right wing. Installed ship's battery. Connected main cable from battery to starter and the #12 feed back into the cabin. Installed grounding cable. Secured with Adel clamps. Added rivet and reinstalled rudder. Established a ground and wired the TailBeacon, powered up and configured via the WiFi link to the iPad. Found correct nuts and installed oil pressure gauge. Adjusted elevator stops to achieve correct up/down travel.