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Electrical System parts and their functions

7 top-level parts · 91 parts in total · full bill of materials below

#	Part	Qty	What it does
1	12 V Battery	1×	12V
2	Alternator 4 parts	1×
3	Starter Motor	1×
4	Fuse Box	1×	Enclosure holding the fuses and relays that protect and switch the vehicle's electrical circuits.
5	Relay	10×	Electromechanical switch in which a small coil current closes or opens contacts rated for a much larger load, isolating control circuits from what they switch.
6	Wiring Harness 2 parts	1×
7	Engine Control Unit 2 parts	1×

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Build & assembly graph

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Bill of materials for Electrical System

7 top-level lines · 22 rows shown · 91 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	12 V Battery	lv-battery	1×	1	·	part
2	Alternator 4 parts	suv-alternator	1×	1	25	assembly
2.1	Stator Assembly 3 parts	stator-assembly	1×	1	3	assembly
2.1.1	Stator Core (laminations)	stator-core	1×	1	·	part
2.1.2	Copper Winding	copper-winding	1×	1	·	part
2.1.3	Slot Insulation	stator-insulation	1×	1	·	part
2.2	Rotor Assembly 4 parts	rotor-assembly	1×	1	19	assembly
2.2.1	Rotor Shaft	rotor-shaft	1×	1	·	part
2.2.2	Rotor Core	rotor-core	1×	1	·	part
2.2.3	Neodymium Magnet	neodymium-magnet	16×	16	·	part
2.2.4	Ball Bearing	ball-bearing	1×	1	·	part
2.3	Rectifier Bridge	suv-rectifier	1×	1	·	part
2.4	Ball Bearing	ball-bearing	2×	2	·	part
3	Starter Motor	suv-starter	1×	1	·	part
4	Fuse Box	fuse-box	1×	1	·	part
5	Relay	relay	10×	10	·	part
6	Wiring Harness 2 parts	suv-harness	1×	1	51	assembly
6.1	Wire Bundle	wire-bundle	1×	1	·	part
6.2	Connector	connector	50×	50	·	part
7	Engine Control Unit 2 parts	suv-ecu	1×	1	2	assembly
7.1	Bare PCB	pcb-bare	1×	1	·	part
7.2	Microcontroller	mcu	1×	1	·	part

Where the electrical system is used

1 product across 1 domain contain it, directly or inside a sub-assembly

• Automobiles 1 SUV

Used in 1 assembly

SUV

Sourcing: possible vendors

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 (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics bydelectronic.com ↗	Shenzhen, CN	Electronics contract mfg	1,000 pcs	6–10 wks
🇸🇬Venture Corp venture.com.sg ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks