Manual 31B-05 steps 3 - 5, route the instrument cable harness through instrument bottom via cushioned clamp.
Manual 31B-06 steps 1 - 3, route nstrument cable harness through fuel sender clamp and two fuselage bulkheads. Connect three wires into connector of fuel sender.
Tape off and prime area around the power port and audio connector mounting holes on fuselage bulkhead. This is done because this area will not be covered by carpet.