Confirmed both p-Mags have jumpers between terminals 2 and 3. Realigned the cooling tubes to focus air on the fins.

Fabricated new seat hinges and installed on floor. Installed seat backs.

Tied the battery. When switching to BATT on panel, smelled burning, so immediately turned off. I suspected it's coming from CB panel touching side of housing. Untied battery and installed plastic edging along right side along bus bar. Re-tied battery and this solved the problem. PFD, MFD, G5, and rocker switches all lit up. Confirmed correct operation and display on PFD for canopy latch. Confirmed fuel pump and flap motor control from panel. Confirmed GTN650 powers up. Confirmed light dimmer switches work. Confirmed operation of the defrost fan from the panel. The LED does not function.

Went through the procedure for timing the p-mags. Removed Cyl #1 spark-plug and turned the prop CW until at TC and confirmed this aligns with TC mark on rear of flywheel at engine centerline. Rotated prop CW 2 teeth (~4 deg after TC). With p-mag OFF, set BATT and observed red lights one each p-mag. Disconnected MAP line to sensor and blew into line until red light flashed. Blew a second time until light flashed green. Cycled battery OFF/ON and LED was solid green on both p-mags. Turned prop slightly to confirm light turned from red to green to red as prop passed through TC. Couldn't be easier.