Wire harness and cable assembly manufacturing is precision assembly work with high mix and moderate volumes. Each harness is defined by a multi-component BOM — wires by gauge/colour/length, connectors, terminals, sleeving, ties, and labels — and must pass electrical and mechanical tests before shipment. Managing this complexity requires ERP features that generic systems rarely include.
Cut-List Management
The cut list is the production instruction for harness manufacturing: which wires to cut, to what length, how many of each. The ERP must generate the cut list from the harness BOM when a production order is raised, accounting for cutting waste and standard lengths. When a harness design is revised — a wire length changes, a connector is substituted — the BOM revision must flow through to the cut list automatically, preventing operators from using outdated instructions.
Wire reel lot traceability starts at the cut list stage. The system should record which reel lots were consumed for each production order, enabling backward traceability when a supplier reports a wire batch quality issue after delivery.
Connector and Terminal BOM
Connector and terminal inventory management has unique characteristics. A single harness BOM may specify dozens of different terminals by crimp type, wire gauge range, and plating. Terminal reels contain thousands of parts; inventory is tracked by quantity remaining, not reel count. The ERP must handle this at component level, with reorder points set per terminal part number and incoming inspection results — contact resistance, pull-out force — stored per supplier lot.
Electrical Testing Records
Continuity testing verifies every circuit in the harness is complete and correctly terminated. Pull-out force testing verifies each crimp meets minimum force requirements. For automotive-grade harnesses, hipot testing verifies insulation integrity. The ERP should store each test result linked to the harness serial number and production order, with the test operator, equipment ID, and test date recorded for traceability. Failed test results should trigger rework job orders automatically.
Wire Specification and Approval Management
Wire used in automotive, aerospace, or industrial applications is typically specified by UL rating, SAE specification, or customer-specific approval. The ERP should store the approved wire specification for each harness design, check incoming wire lot certificates against the approved specification, and flag any substitution for engineering approval before use in production.
Customer-Specific Labelling and Documentation
OEM customers commonly specify exact label formats, barcode symbologies, part number conventions, and documentation packages for each delivery. Managing customer-specific labelling requirements across multiple customers and product lines without an ERP results in labelling errors that are expensive to rectify after shipment. The ERP should store customer-specific label templates and documentation requirements, applying them automatically at the packaging stage based on the customer account and product code on the production order.
A Start Canyon Discovery engagement (one week, S$1,500 to S$3,000) maps your harness product complexity, customer traceability requirements, and test documentation needs against a custom ERP scope — and produces the cost documentation needed for EDG applications.