Catia V5 Electrical Harness Design - Automotive Projects

Discover automotive electrical harness design, organizing wiring to connect ECUs, sensors, lights, motors, relays, fuses, and power supplies. Explore 3D harness design, harness families, form board design, and manufacturing considerations.

Explore harness families and variants across cabin, seating, doors, roof, engine, and subsystems, and see how complexity drives multi-version designs for luxury options and EV high and low voltage harnesses.

Discover the core automotive harness components—wires, connectors, protections, and retainers—and learn design rules for temperature, water ingress, EMI, dynamic movement, and assembly line considerations.

Explore automotive harness component resources from specialized suppliers, including tapes, convoluted tubing, clips, and connectors, with guidance on part numbers, CAD data, and temperature ratings.

Explore the automotive harness design and manufacturing process, from PLM placeholders and 3D bundle planning to 3D routing, retainers, and manufacturing handoffs, including milestones like M1 and VP.

Learn the roles and responsibilities of electrical harness design engineers in automotive projects, including collaboration with external suppliers, a project leader, car designers, circuit design teams, and dfma processes.

Explore automotive connector selection criteria by analyzing housing, pins, seals, backshells, and EMI shielding, and learn how to choose based on pin count, voltage, current, seals, and environment.

Explore how connector housing, pins, and wires form the power and signal paths in automotive harnesses, detailing voltage, current, insulation, CSA, startup currents, and validation.

Identify wiring choices by matching circuit voltage and calculating voltage drop and current in automotive harnesses. Explore insulation and coating options, shielding, twisted pairs for CAN networks, and temperature ratings.

Automotive relays switch high-current circuits using a coil, with normally open/closed and changeover contacts, pinouts like 85/86/87/30, plus diode or resistor suppression and coil ratings.

Explore fuse selection criteria for automotive harness design, including amperage, continuous ratings, 75% guidance, nuisance blow, and how current-time charts and datasheets guide reliable wiring and component protection.

Learn splice selection criteria for automotive harnesses, comparing crimped splices to soldering, and using data sheets to choose splices based on CSA, insulation, and seam styles.

Electrify connectors in Catia v5 harness design by extracting parts from a STEP file, defining 35-pin connectors with terminations, and adding bundle connection points. Distinguish inline and ECU connectors.

Explore validating inline connectors in Catia v5 electrical harness design by aligning axes, matching contact surfaces, and avoiding clashes through color coding and precise connection points.

Model inline and open connectors in Catia v5 for automotive harness design, create axis alignments, apply tolerances, and validate 20-pin connectors.

Position and align audio amplifier and inline connectors inside an automotive electrical harness using compass moves, surface alignment, and 24 mm spacing, then connect and save the assembly.

Designs a CATIA V5 electrical harness by creating a geometrical bundle, adding multi-branch documents, placing clips and connectors, defining branches, and planning clearances and data sheet requirements for brackets.

Design the wire bundle routing around the body and white, add branches to connectors, and position strap-on stud clips with tolerance awareness for a hidden, secure harness.

Route wire bundles, create branch points to the door connector, align clips with planes and axes, copy branches, and set lengths and tangencies for realism.

Route the main harness along the bracket, secure with tape-on clips or cable ties, and ensure branching points, hole dimensions, and manufacturing plant rules govern slack and assembly sequence.

Position the plastic channel inside the electrical harness, align it with studs, and route the bundle through clips and brackets while defining its CSA with sketches.

Position inline connectors with clips in a plastic channel, route the harness through the engine-compartment grommet, and document bending radius and related FMEA and design verification considerations.

Route a wire bundle through a plastic channel using clips and studs, create a central branching point, and connect to the fuse box and dashboard.

Add clips and align connectors to advance the harness design. Route wire bundles with branching points, ensuring proper distances and slack for a complete 3d harness infrastructure.

Learn to calculate electrical harness bundle diameters using wire sizes and tape allowances, validate with Catia v5, and apply a 20% extra sizing rule.

Update bundle diameters in automotive harness design using the 35 calculation and bundle diameter calculator, then assign wires per connector pins and tape, plan the main bundle and slack layout.

Learn to adjust an automotive electrical harness by adding local slack, repositioning clips and studs, and applying symmetry in an assembly to prevent cable clashes and improve routing.

Finish the symmetry on the opposite side, adjust slack everywhere to improve bending radius, and ensure bundles never clash or touch the floor.

Analyze the harness in assembly design to identify design-rule violations, such as insufficient bundle length (minimum 50 mm), mislocated branching points, and six mm clearance issues near brackets.

Coordinate dimensioning and drawings for the harness manufacturing plant using 3D models. Ensure tolerances, slack, and clearances are considered early, using Catia V5 or alternative tools like Excel or PowerPoint.

Start the under body electrical harness project in Catia V5, route devices inside the gearbox, and plan the grommet to the cabin, using device data sheets.

Define bundle connection points for gearbox connectors, assign pin counts (eight-pin and four-pin), color components, and assemble the electrical harness as a gearbox harness under a dedicated product.

Position circular connectors, copy a gearbox connector, rotate the 90-degree connector 180 degrees, align surfaces, and route the harness through a bracket with round holes and clips.

Plan and route wire bundles from connectors into the bracket, create branches and clips, set slack and bend radii, and prep for ECU connection in part 1.

Route wire bundles using clips and connectors with proper slack and clearance, apply tangents and datasheet hole tolerances, and set up bundle diameter calculations for the next video.

Calculate bundle diameters for a gearbox harness in Catia V5, using data sheets, corrugated tubes, and bending radii to verify wire layouts for valves, motor, ECU, and sensors.

Add slack to wire harness in Catia V5, keep bend radius minimal, align clips as wires move, and verify bundle diameters and fixing points for issues in the next video.

Assess fluid pipe and wire clearance against CAD measurements, ensuring 20–25 mm clearance, and propose bracket and clip adjustments plus fmea considerations.

Finish the harness in Catia v5 by aligning brackets, designing branches with proper slack and tube size, and planning dynamic powertrain movement with grommets through the body in white.

Review the final assignment for this Catia V5 electrical harness design project, and identify an obvious harness requirement violation by revisiting videos and presentations, with a future discussion planned.

Learn connector detailing for tensioned wires, calculating branch lengths from the clip to the connector, ending the tape accurately, and adding slack for 90-degree bends to guide manufacturing assembly.

Investigate seat harness dynamics in Catia v5, assessing cable length, bending radius, and strain relief with proper clip placement to ensure reliable movement and durability.

Design the second half of the seat harness in Catia V5 by copying datum planes, routing three bundles, adjusting lengths within the seating surface, and running a dynamic simulation.

Model underbody harness dynamics by simulating gearbox motion relative to the body in white using clips. Add minimum ten millimeters slack to the longest bundle and six positions.

Learn grommet installation basics for automotive harnesses, including determining hole diameter with required clearance, selecting the right grommet, and evaluating real-world scenarios of cabin versus gearbox harness arrangements.

Explore poka yoke in electrical harness design by ensuring connectors cannot be misconnected through distinct keys and mating guides, preventing incorrect assembly in automotive harnesses.

Tailor your CV for engineering roles by identifying job sources, uploading detailed experience, and delivering a minimal, readable CV with targeted education, skills, and a portfolio.

Learn practical interview strategies for an automotive harness design role, including researching the company, preparing a portfolio, presenting harness design knowledge, and staying professional and open to learning.

Build a concise automotive electrical harness design portfolio and CV, showcasing projects, case studies, and diagrams for Catia V5 expertise.