Control panel, optical and acoustic oil level control

F1 - oil pressure regulator (0.9 bar for turbodiesel,: bar for naturally aspirated diesel)
F22 - oil pressure regulator (0.3 bar)
G5 - tachometer
3114 - oil level control device
K2 - generator control lamp
K3 - oil pressure warning lamp
K29 - preheat control lamp
T7a / - plug connector, 7 pins, in the junction box of the engine compartment
T14 / - plug connector, 14 pins, in the junction box of the engine compartment
Y2 - digital clock
30 - ground, next to the relay board
81 - connection to ground, in the harness of the control panel