| Component code | Name | Assembly reference |
|---|
| A1 | Battery | - |
| A1 | Battery | 5530B |
| B1 | Junction unit | 5505A |
| B5 | MAXI FUSE box-1 | - |
| B5 | MAXI FUSE-1 box | - |
| B10 | Fuse controlled by ignition (INT/A) | - |
| B10 | Key-dependent supply fuse (INT/A) | - |
| B38 | Additional heater fuse | - |
| B98 | Supplementary fuse box | 5505A |
| B99 | Maxifuse box on battery | - |
| B99 | Maxifuse box on battery | 5530B |
| C1 | Battery earth | - |
| C1 | Battery earth | 5530B |
| C10 | Front left earth | 5505A |
| C16 | Air conditioning earth | - |
| C20 | Passenger side dashboard earth | 5505A |
| C41 | Earth cable loom for additional heater | - |
| D4 | Front/engine connection | - |
| D8 | Front / air conditioning - heater
coupling | - |
| D8 | Front coupling / air conditioner
- with heating | - |
| D21 | Dashboard/air conditioning-heater connection | - |
| D21 | Dashboard/air conditioning-heater coupling | - |
| D22 | Additional heater junction | - |
| D22 | Front./dashboard coupling for additional heater | - |
| D22 | Front/dashboard connection for additional heater | - |
| J36 | Additional heater relay - 1 | - |
| J36 | Additional heater relay -1 | - |
| J36 | Additional heater relay | - |
| J37 | Additional heater relay - 2 | - |
| J37 | Additional heater relay | - |
| J38 | Additional heater safety relay | - |
| K80 | Additional heater temperature sensor | - |
| K80 | Additional heater temperature sensor | 1004B |
| M10 | Engine management control unit | 1060G |
| M70 | Climate control system control unit | 5040D |
| M75 | Additional heater control unit | 5020L |
| O25 | Additional heater resistance | 5020L |
| O25 | Additional heater resistance | 5020L |
| O25 | Additional heater resistor | 5020L |
| O25 | Additional heater resistor | 5020L |
