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Guide2 min read

Requesting a wiring harness: what your cable assembly supplier needs

The more complete the enquiry, the faster and more precise the quote. This checklist helps you prepare your enquiry for wiring harnesses and cable sets, even if there is no drawing yet.

Wiring harness with colour coded connectors
From our production: Wiring harness with colour coded connectors.

Technical documents

  • Drawing with lengths, branch dimensions and pin assignment (pin or contact plan)
  • Bill of materials with cables, contacts, connectors, seals and protection (with manufacturer part numbers, where these are already defined)
  • 3D data of the installation situation, for example to design the cable routing
  • Alternatively a sample or a requirements specification

No drawing available? Then sketch the wiring harness in the enquiry form or have it drawn up by our design office.

Quantities and dates

  • Quantities for samples, pre-series and series production
  • Annual requirement and call-off volumes, as far as they are known
  • Target date for samples and for the start of series production
  • Packaging and form of delivery
  • Material you would like to supply yourself, cables, connectors or devices for example

Environment and requirements

  • Place of use and environment: temperature, humidity, oil, chemicals, vibration, movement
  • Electrical requirements: currents, voltages, shielding, high voltage
  • Sealing of the connectors
  • Standards or customer specifications that have to be met
  • Marking and labelling

Testing and documentation

  • Required scope of testing: continuity and short circuits, high voltage, functional test
  • Test records and measurement reports with every delivery
  • Initial sample inspection or documentation to PPAP
  • Requirements for traceability

You do not have to know everything: we clarify missing details together. Send us what you have through the enquiry form, by e-mail to info@powertune.de or by phone on +49 9321 3924811. The checklist is also available as a fillable PDF.

FAQ

Answered briefly.

Do I need a finished drawing for an enquiry?

No. A sample, a requirements specification or a description is enough to start with. Our design office can prepare the production documents with EPLAN.

How quickly will I receive a quote?

Usually within 2 to 3 working days. Exactly how quickly depends on the material: we often have standard components in stock, while for exotic special parts we wait for our suppliers to quote.

Can I sketch the wiring harness online?

Yes. In the enquiry form you can optionally create a sketch of your wiring harness with connectors, cables, branches and lengths. It does not replace a drawing, but it makes getting started easier.