Socket, fuse box, brake light
F - brake signal switch;
L42 - incandescent lamp for lighting the socket;
L50 - an incandescent lamp for lighting the ashtray from behind;
T2b - two-pin plug connector, on the brake light switch;
T2t - two-pin plug connector, on the incandescent lamp for rear ashtray lighting;
T2u - two-pin plug connector, on the glove box light;
T3d - three-pin plug connector, on a socket;
T5d - 5-pin connector, on the C-pillar on the left (black);
U - socket;
U1 - cigarette lighter;
W6 - glove box lighting;
80 - connection on "mass" in the wiring harness behind the instrument panel;
A4 - connection with positive pole (58b) in the wiring harness behind the instrument panel;
A18 - connection (54) in the wiring harness behind the instrument panel on the left;
* - only for cars with gasoline engines
The structure of circuit diagrams of electrical equipment is located here →
Symbols found in circuit diagrams are here →
Explanations for the symbols found in the wiring diagrams are here →