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Coach Electrical System

Assembly

A second high-output alternator, auxiliary battery, and dedicated fuse panel powering all coachbuilder-added loads. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Coach Electrical System parts and their functions

6 top-level parts · 15 parts in total · full bill of materials below
Coach Electrical System parts diagram: 1 auxiliary alternator, 2 12 v battery, 3 coach fuse panel, 4 wire bundle, 5 relay, 6 power supply. 15 parts in 6 top-level items.
Coach Electrical System parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Auxiliary Alternator 1× Second belt-driven 220 A alternator dedicated to cabin HVAC, lighting, and audio loads.
2 12 V Battery 1× Auxiliary AGM battery
3 Coach Fuse Panel 1× Distribution panel isolating coach circuits from the donor vehicle harness.
4 Wire Bundle 3× Group of insulated conductors cut to length, terminated, and bound together to carry power and signals between the assemblies of a machine.
5 Relay 8× 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 Power Supply 1× 12 V to USB/accessory converter

3D model

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Build & assembly graph

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Bill of materials for Coach Electrical System

6 top-level lines · 6 rows shown · 15 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Auxiliary Alternator limousine-aux-alternator 1× 1 · part
2 12 V Battery lv-battery 1× 1 · part
3 Coach Fuse Panel limousine-fuse-panel 1× 1 · part
4 Wire Bundle wire-bundle 3× 3 · part
5 Relay relay 8× 8 · part
6 Power Supply power-supply 1× 1 · part

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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
VendorHQSpecialtyMOQLead 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 Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks