The supply reaches the switches on the seats
via connection
D70 (left seat) and D71 (right seat) from the
ignition-controlled line (INT/A) for relay T21 of B45 through the
line protected by fuses F77 and F79 of junction unit B45 for the
left and right seats, respectively.
The energizing controlled by the ignition
(INT/A) for relay
T21 arrives via relay T8 of engine compartment
junction unit B1 and fuse F3 of junction unit B2.