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Test accessories engineered for wire harness verification — connector adapters, loop back plugs, and more.

Our test accessories are designed by the same team that builds your harnesses — so they fit right, test right, and ship fast. Products below are launching soon; sign up or check back for availability.

Coming Soon

Connector Adapters

Universal test interface adapters

Precision-machined connector adapters designed to interface your harness under test with standard test equipment. Available in configurations for common aerospace, automotive, and industrial connector families.

Use Cases

  • End-to-end continuity checkout
  • Hi-Pot (high-potential) dielectric testing
  • Pin-level continuity checks
Coming Soon

Loop Back Plugs

Single-connector continuity verification

Loop back plugs short specified pins within a single connector, enabling automated continuity and resistance checks without a second mating connector. Ideal for verifying harness integrity at incoming inspection or final test.

Use Cases

  • Wire continuity testing
  • Automated test fixture integration
  • Incoming inspection verification
Coming Soon

128 Pin to 128 Pin Coupler — Receptacle

Test harness extension coupler

A receptacle-style coupler that joins two 128-pin connectors end-to-end, extending the reach of your existing test harness without signal degradation. Designed to pair directly with our 128 Pin Test Harness.

Use Cases

  • Extending test harness length in tight test setups
  • Daisy-chaining multiple harness segments
  • Reducing test fixture reconfiguration time
Coming Soon

128 Pin Test Harness

Cirrus-compatible interface harness

A purpose-built test harness with a 128-pin connector on one end and a Cirrus testing machine interface on the other. Available in standard lengths or spec'd to your exact run requirement.

Use Cases

  • Cirrus tester integration
  • Production-floor continuity and functional testing
  • Paired use with 128 Pin Coupler for extended reach

Available lengths: 5 ft · 10 ft · 15 ft · Custom

More products coming soon

Have a specific test fixture or adapter requirement? Contact us and we'll spec it out.