
Automotive Electrical Stamping & Terminal Components
In an automotive wire harness assembly, the complete harness includes wires, insulation, connector plugs, terminals, clips and protective parts. Changdong does not manufacture complete wire harness assemblies or sell auto wiring supplies. Our relevant capability is precision metal stamping for terminals, connector contacts, grounding parts, shielding parts and cable connector metal components used in automotive electrical systems.
These stamped parts are small, but they directly affect crimp reliability, electrical contact stability, insertion force, connector retention and long-term vehicle performance.
Stamped parts for automotive wire harnesses include terminals, connector contacts, grounding terminals, cable connector metal parts, shielding parts and retaining clips. Their quality depends on material selection, progressive die accuracy, burr direction, contact geometry, crimp area stability, plating compatibility and sample validation.
An automotive wire harness system routes power, signals and data between vehicle modules. The visible harness may look like wires and plastic connector plugs, but many functional points depend on stamped metal parts. Terminals provide the electrical connection, connector contacts maintain contact force, grounding terminals connect circuits to body or module ground points, and stamped clips or shields support routing, retention or protection.
For this reason, the correct manufacturing focus is not “wire harness assembly production” but “wire harness metal component stamping.” Changdong can review customer drawings for stamped terminals, connector contacts, cable connector parts and other small precision metal components that are used inside automotive electrical assemblies.
Related capability: electrical metal stamping for terminals, busbars and connectors.
Used for wire crimping and electrical connection. Crimp wings, contact areas and burr direction must be controlled.
Used inside connector plugs to maintain contact force, insertion stability and signal continuity.
Used for vehicle body or module grounding. Flatness, hole quality and surface condition affect fastening reliability.
Used for locking, shielding, positioning or supporting cable connector assemblies.

| Stamped Component | Function in Harness System | Key Manufacturing Control |
|---|---|---|
| Crimp Terminals | Connect the wire conductor to the connector or electrical module. | Crimp wing geometry, burr direction, material temper and formed height. |
| Connector Contacts | Maintain electrical contact force and signal stability inside connector plugs. | Springback, contact surface condition, plating sensitivity and tool wear. |
| Grounding Terminals | Provide stable grounding connection to vehicle body, battery or control modules. | Hole accuracy, flatness, surface cleanliness and fastening area stability. |
| Shielding Parts | Support EMI shielding, protection or mechanical positioning around connector areas. | Bending accuracy, edge quality, local deformation and assembly clearance. |
| Harness Clips and Retainers | Hold cables or connector groups in a stable vehicle installation position. | Retention geometry, formed angle, edge condition and repeated assembly fit. |
For automotive wire harness terminals, stamping quality directly affects crimp quality. If the crimp wings are inconsistent, the wire strands may not be compressed evenly. If burrs appear on a functional crimp or contact area, they may damage wire strands, interfere with insertion or reduce long-term contact stability.
Connector contacts also depend on controlled springback. Many terminals use elastic geometry to maintain contact force after insertion. If material temper, grain direction, forming radius or tool wear is not controlled, insertion force and contact force may drift during production.
For high-volume wire harness terminal stamping, progressive die design should consider strip stability, carrier strength, pilot accuracy, plating-sensitive surfaces, crimp area protection and inspection access. These factors are more important than simply increasing stamping speed.
Keywords such as auto wiring supplies, automotive electrical supplies and automotive wiring tools usually indicate retail or repair intent. Those users may be looking for wire kits, plastic connector plugs, crimping tools, fuses, relays or aftermarket accessories. Changdong is not positioned for those products.
The correct manufacturing scope is custom stamped metal parts used in or around wire harness systems. This includes terminals, connector contacts, grounding terminals, shielding parts, metal clips and cable connector stamped parts based on customer drawings and technical standards.
| Keyword or User Need | Typical Meaning | Changdong Relevance |
|---|---|---|
| Automotive wire harness assembly | Complete wire harness system with wires, plugs and routing accessories. | Relevant only through stamped terminals, connector contacts and metal harness components. |
| Connector plug | Plastic connector body or replacement plug. | Relevant through stamped metal contacts or connector-related stamped components. |
| Car terminal connectors | Metal terminals used to connect automotive wires. | Highly relevant for precision terminal stamping and progressive die production. |
| Auto wiring supplies | Retail repair parts, wiring kits or installation tools. | Not a direct business category for Changdong. |
Review terminal geometry, connector function, material grade, thickness and tolerance requirements.
Evaluate burr direction, carrier strength, pilot location, crimp area and contact surface protection.
Design blanking, piercing, bending, forming and cutoff stations for repeatable high-volume production.
Check dimensions, formed height, burr condition, contact area and assembly fit against the confirmed drawing.
Dongguan Changdong Tool & Die Co., Ltd. was founded in 2012 and operates a 4,000 m² facility with 80+ employees. The company supports DFM, CAE/process review, die design, CNC machining, WEDM, grinding, die assembly, press tryout, sample measurement and metal stamping production.
For wire harness related metal components, Changdong can review custom stamped terminals, connector contacts, cable connector stamped parts, grounding parts, shielding parts and small precision stamped components. Progressive die production is commonly considered when the part requires stable volume production and repeatable feature accuracy.
For selected precision features, tolerance capability may reach approximately 0.03 mm, subject to drawing, material, feature type and inspection method. Common projects typically use approximately 0.5–6.0 mm sheet, subject to material, geometry, die structure and DFM review.
Automotive wire harness assembly includes wires, connector plugs, terminals, clips and protective parts. Changdong is not a complete harness assembly manufacturer; its relevant capability is precision metal stamping for terminals, connector contacts and related metal components.
Stamped terminals and connector contacts influence crimp quality, electrical continuity, insertion force, contact stability and assembly reliability. Their manufacturing quality depends on material selection, progressive die accuracy, burr direction, formed geometry and inspection control.
For custom terminal or connector stamped part projects, customers should provide 2D drawings, 3D models, material grade, sheet thickness, plating or surface requirement, tolerance standard, annual volume and assembly notes for DFM review.
Connector-related stamped parts for automotive wiring and cable assemblies.
EV Copper Terminal Stamping PartsCopper terminal stamping for vehicle power connection and electrical applications.
Metal Stamping Tolerance GuideTolerance considerations for terminals, holes, formed features and contact areas.
No. Changdong focuses on precision metal stamping parts such as terminals, connector contacts, cable connector metal parts, grounding parts and small stamped components used in automotive electrical assemblies.
Typical stamped parts include crimp terminals, connector contacts, grounding terminals, shielding parts, cable connector components, clips and retainers.
Burr direction can affect crimping, insertion, contact surfaces and assembly fit. Burrs on functional areas may damage wire strands or interfere with connector performance.
Progressive die stamping is commonly used when terminals or connector contacts require stable high-volume production and repeatable feature accuracy.
Copper alloy, brass, phosphor bronze, stainless steel and plated steel may be used depending on conductivity, elasticity, corrosion resistance and drawing requirements.
A 2D drawing, 3D model, material grade, sheet thickness, plating or surface requirement, tolerance standard, annual volume and assembly notes are recommended.
For automotive wire harness related stamped parts, please provide the 2D drawing, 3D model, material grade, sheet thickness, plating or surface requirement, tolerance standard, annual volume and sample target date. The final manufacturing route will be confirmed after drawing review, DFM evaluation and sample validation.
Contact Changdong for Drawing ReviewShenzhen Changdong Stamping Dies CO., LTD. © copyright Add:NO. 56-B, Fuming South Road, Dalang, Dongguan, P.R.C
E-mail:sales@chang-dong.com Tel:0086-769-8106 1256 0086-189 2949 4380 Sales Manager: Ms. Alice Fax:0086-769-8106 1926
Changdong is one of professional metal stamping die maker in China more than 10 years. We provide metal stamping dies to the customers in 16 countryies.
The company makes the progressive dies and transfer dies. As a stamping die manufacturer, also we provide the prototype dies and metal prototype parts for the short-run production.
Our main products: Stamping Die | Drawn Die | Metal Stampings | Checking Fixture | Progressive Die | Transfer Die | Metal Prototypes | Metal Stamping Tools| Prototype Parts | Prototype Die