Electrical Components
The Omega - B is the first model to use a 13 - pin socket for the trailer hitch. The terminal assignments are listed on the inside of the cover.
Assignment plan for 13 - pin socket (ex works):
| Contact assignment | Cable colour | Lead cross | |
|---|---|---|---|
| section in mm2 | |||
| Ter. 1 | Turn signal unit, left | black / white | 0.75 |
| Ter. 2 | Rear fog lamp | black / blue | 0.75 |
| Ter. 3*) | Ground (for circuits Ter. 1 to 8) | brown | 1.5 |
| Ter. 4 | Turn signal unit, right | black / green | 0.75 |
| Ter. 5 | Right tail lamp, marker lamp, | grey / red | 0.75 |
| side lamp and license plate lamp | |||
| Ter. 6 | Brake lamp | black / yellow | 0.75 |
| Ter. 7 | Left tail lamp, marker lamp, | grey / black | 0.75 |
| side lamp and license plate lamp | |||
| Ter. 8 | Unoccupied | ||
| Ter. 9 | Current supply (permanent positive) | red | 2.5 |
| Ter. 10 | Unoccupied | ||
| Ter. 11 | Unoccupied | ||
| Ter 12 | Unoccupied | ||
| Ter. 13*) | Ground (for circuits Ter. 9 to 12) | brown | 2.5 |
The two ground leads must not be electrically connected in the trailer hitch.
A mechanical contact in the 13 - pin socket switches off the rear fog lamp during trailer operation.