Electrical System
Assembly12 V system with body, door, and rear-entertainment control units. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Electrical System parts and their functions
8 top-level parts · 1,108 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Electronic Control Unit 4 parts | 7× | Electronic control unit: a sealed microcontroller module with power, sensor inputs, and outputs that runs one vehicle system's control software. |
| 2 | 12 V Battery | 1× | 12 V lead-acid or lithium battery that powers the vehicle's low-voltage electronics and starts or wakes the main system. |
| 3 | LV Wiring Harness 4 parts | 1× | Low-voltage wiring harness distributing 12 V power and signals to lights, sensors, switches, and control units. |
| 4 | Alternator 4 parts | 1× | Belt-driven generator that charges the battery and powers the electrical system while the engine runs. |
| 5 | Starter Motor 4 parts | 1× | Geared electric motor that spins the engine to start it when the key is turned. |
| 6 | Infotainment Head Unit 5 parts | 1× | Dashboard head unit with display, processor, radio, and connectivity that runs navigation, media, and phone functions. |
| 7 | Rear-Seat Entertainment 4 parts | 1× | Ceiling or seatback screens for rear passengers. |
| 8 | ADAS Sensor Suite 3 parts | 1× | Cameras, radar and ultrasonic sensors providing complementary observations for driver-assistance functions. |
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Bill of materials for Electrical System
8 top-level lines · 53 rows shown · 1,108 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Electronic Control Unit 4 parts | ecu | 7× | 7 | 93 | assembly |
| 1.1 | Bare PCB | pcb-bare | 1× | 7 | · | part |
| 1.2 | Microcontroller | mcu | 1× | 7 | · | part |
| 1.3 | CAN Transceiver | can-transceiver | 1× | 7 | · | part |
| 1.4 | SMD Passive (R/C/L) | smd-passives | 90× | 630 | · | part |
| 2 | 12 V Battery | lv-battery | 1× | 1 | · | part |
| 3 | LV Wiring Harness 4 parts | lv-harness | 1× | 1 | 54 | assembly |
| 3.1 | Wire Bundle | wire-bundle | 1× | 1 | · | part |
| 3.2 | Connector | connector | 40× | 40 | · | part |
| 3.3 | Fuse Box | fuse-box | 1× | 1 | · | part |
| 3.4 | Relay | relay | 12× | 12 | · | part |
| 4 | Alternator 4 parts | hatchback-car-alternator | 1× | 1 | 25 | assembly |
| 4.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 4.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 4.1.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 4.1.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 4.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 4.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 4.2.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 4.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 4.2.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 4.3 | Rectifier Bridge | hatchback-car-rectifier | 1× | 1 | · | part |
| 4.4 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 5 | Starter Motor 4 parts | hatchback-car-starter | 1× | 1 | 24 | assembly |
| 5.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 5.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | · | part |
| 5.1.2 | Copper Winding | copper-winding | 1× | 1 | · | part |
| 5.1.3 | Slot Insulation | stator-insulation | 1× | 1 | · | part |
| 5.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 5.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | · | part |
| 5.2.2 | Rotor Core | rotor-core | 1× | 1 | · | part |
| 5.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | · | part |
| 5.2.4 | Ball Bearing | ball-bearing | 1× | 1 | · | part |
| 5.3 | Starter Solenoid | hatchback-car-solenoid | 1× | 1 | · | part |
| 5.4 | Pinion Drive | hatchback-car-pinion-drive | 1× | 1 | · | part |
| 6 | Infotainment Head Unit 5 parts | infotainment-unit | 1× | 1 | 304 | assembly |
| 6.1 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 6.2 | Compute SoC Module | soc-module | 1× | 1 | · | part |
| 6.3 | LCD Panel | lcd-panel | 1× | 1 | · | part |
| 6.4 | Touch Digitizer | touch-digitizer | 1× | 1 | · | part |
| 6.5 | SMD Passive (R/C/L) | smd-passives | 300× | 300 | · | part |
| 7 | Rear-Seat Entertainment 4 parts | minivan-rear-entertainment | 1× | 1 | 8 | assembly |
| 7.1 | LCD Panel | lcd-panel | 2× | 2 | · | part |
| 7.2 | Bare PCB | pcb-bare | 1× | 1 | · | part |
| 7.3 | Compute SoC Module | soc-module | 1× | 1 | · | part |
| 7.4 | Speaker | speaker | 4× | 4 | · | part |
| 8 | ADAS Sensor Suite 3 parts | adas-sensors | 1× | 1 | 41 | assembly |
| 8.1 | Camera Module 3 parts | camera-module | 8× | 8 | 3 | assembly |
| 8.1.1 | CMOS Image Sensor | image-sensor | 1× | 8 | · | part |
| 8.1.2 | Lens Assembly | camera-lens | 1× | 8 | · | part |
| 8.1.3 | Bare PCB | pcb-bare | 1× | 8 | · | part |
| 8.2 | Radar Module | radar-module | 5× | 5 | · | part |
| 8.3 | Ultrasonic Sensor | ultrasonic-sensor | 12× | 12 | · | part |
Where the electrical system is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
Sourcing: possible vendors
Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
|
🇨🇳Foxconn
foxconn.com ↗
|
Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| flex.com ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| dixoninfo.com ↗ | Noida, IN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| bydelectronic.com ↗ | Shenzhen, CN | Electronics contract mfg | 1,000 pcs | 6–10 wks |
| venture.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |