Diagram 4-3. Battery, starter, generator, engine start interlock relay
| A | battery |
| IN | starter |
| WITH | generator |
| C1 | voltage regulator |
| F125 | steering column switch |
| J31 | interval mode relay for windshield washer and wiper |
| J207 | engine start interlock relay |
| S205 | fuse 2 x 30A |
| Tlh | black plug on the right side of the engine compartment |
| T2cl | 2-pin black plug, in the engine compartment on the right side |
| T9 | 9-pin brown plug engine starter immobilizer relay |
| T10o | 10-pin brown connector for under cowl fuse/relay box |
| T10p | 10-pin black plug for under cowl fuse/relay box |
| T17m | 17-pin blue plug on the front pillar on the right |
| () | connection to ground (-) battery - body |
| 81 | ground (-) 1 in the instrument cluster wiring harness |
| A17 | terminal 61 wire in the instrument panel wiring harness |
| A41 | positive potential wire terminal 50 in the wiring harness on the instrument panel |
| * | cars with manual transmission |
| ** | cars with automatic transmission 01V/01L |
| *** | cars with automatic transmission Multitronic 01J |