| Component code | Name | Assembly reference | 
|---|
| A6 | Rear junction node | - | 
| B1 | Junction unit | 5505A | 
| B2 | Junction unit | - | 
| B2 | Junction unit | 5505A | 
| B70 | Trailer fuse | - | 
| B99 | Battery fuses junction unit (CBA) | 5530B | 
| C21 | Passenger side dashboard earth | - | 
| C30 | Rear left earth | - | 
| C31 | Rear right earth | - | 
| D1 | Front-dashboard coupling | - | 
| D6 | Rear-engine compartment coupling | 5560C | 
| D19 | Dashboard / battery coupling | - | 
| D20 | Dashboard-rear coupling | - | 
| D25 | Dashboard-left rear coupling | - | 
| D26 | Dashboard-right rear coupling | - | 
| D27 | Left rear-right rear coupling | - | 
| D73 | Trailer wiring connection | - | 
| E50 | Instrument panel | - | 
| E50 | Instrument panel | 5560B | 
| M45 | Electronic Check device | - | 
| M45 | Electronic Check device | 5560C |