Main components
| Main components | 
| 1. | Control module, E39 (ECM) (590) | |
| 2. | Main instrument unit (MIU) (540) | |
| 3. | Alternator (2) | |
| 4. | Battery (1) | |
| 5. | Column Integration Module, CIM (703a) | |
| 6. | Battery sensor (343) | |

 
     
		