| F105 | Reversing light switch and freewheel lock |
| F108 | Freewheel lock warning lamp switch |
| F154 | Freewheel bridging switch |
| J81 | Intake manifold preheating relay |
| J173 | Freewheel lock control unit |
| J257 | Mono-Motronic control unit |
| M16 | Reversing light bulb, left |
| M17 | Reversing light bulb, right |
| N87 | Freewheel lock valve |
| T1 | Single connector, behind relay plate |
| T3 | 3-pin connector, on gearbox switch |
| T45 | 45-pin connector, on Mono-Motronic control unit |
| 196 | Earth connection -1-, in rear wiring harness |
| E12 | Positive (+) connection -1- (15), in Mono-Motronic wiring harness |
| E21 | Connection (reversing light), in Mono-Motronic wiring harness |