| Component code | Name | Assembly reference |
|---|
| A5 | Terminal board | - |
| B1 | Junction unit | - |
| B1 | Junction unit | 5505A |
| B1 | Junction unit | 5505A |
| B2 | Dashboard junction unit (CPL) | - |
| B2 | Junction unit | 5505A |
| B3 | Relay unit | 5505A |
| B99 | Battery fuses junction unit (CBA) | 5530B |
| C10 | Front left earth | - |
| C13 | Front earth on left side panel | 5505A |
| C30 | Rear left earth | - |
| D1 | Front-dashboard coupling | - |
| D4 | Engine front connection | - |
| D4 | Front-engine prewiring coupling | - |
| D6 | Rear - front coupling | - |
| D25 | Dashboard-left rear coupling | - |
| D25 | Dashboard-rear coupling left | - |
| H1 | Ignition switch | 5520A |
| I50 | Inertial switch | 1040A |
| K10 | 4 stage pressure switch | 5040B |
| L20 | Air conditioning compressor engagement electro-magnet | - |
| L20 | Air conditioning compressor engagement electro-magnet | 5040A |
| M10 | Engine management control unit | - |
| M10 | Engine management control unit | 1056B |
| M70 | Climate control system control unit | - |
| M70 | Climate control system control unit | 5040B |
