Manual 45A-04 Drawing shows WH-P156 and WH-P761 going under the avionics shelf where the voltage regulator was at on older design. Rerouted through the firewall grommet to be ready to attach to the voltage regulator that is now inside the engine compartment on the firewall.
Manual 46-22 steps 1 & 2, safety wire two engine plugs. Did not safety wire the oil tank plug yet.