| Component code | Name | Assembly reference | 
|---|
| B1 | Engine compartment junction unit | - | 
| B2 | Junction unit under dashboard | 5505A | 
| B5 | MAXI FUSE box | - | 
| B99 | Maxifuse box on battery | 5530B | 
| C15 | Facia earth, driver's side | - | 
| C38 | Earth on centre tunnel | - | 
| D20 | /Rear dashboard coupling | - | 
| D31 | /Front passenger door. rear coupling | - | 
| D43 | Dashboard/centre console coupling | - | 
| D75 | Radio phone junction | - | 
| D97 | Short circuiting coupling | - | 
| E50 | Instrument panel | 5560B | 
| H1 | Ignition switch | 5520A | 
| H10 | Controls for headlamp alignment,
              instrument lighting adjustment | 5560B | 
| H12 | Hazard warning lights, fog lights,
              rear fog lamps control | 5505A | 
| H35 | Switches on tunnel | 7040L | 
| H50 | Electric window switch on .front
              passenger door | 7005M | 
| M1 | Body computer | 5505A | 
| P20 | Radio | 5570T | 
| P20 | Radio | 5580P | 
| P50 | Cigar lighter/current socket | 7065C |