Engine Control Module (ECM) Harnesses

BenchForce's Engine Control Module (ECM) Harness Collection includes everything you need to connect, test, and tune a wide range of ECUs and engines. From GM and Ford to Chrysler and Cummins, these harnesses support popular ECM types and protocols for efficient programming and diagnostics. Whether you're building a bench setup or upgrading your workflow, these precision-engineered harnesses deliver reliable performance for professional and DIY use.