Body Control Module (BCM) Harnesses

Our Body Control Module (BCM) Harness Collection is built for technicians and tuners working with GM body control systems across a wide year range. These harnesses support reliable bench-top testing, reprogramming, and diagnostics for common BCM applications, from early 2000s models to late-generation platforms. Whether you're troubleshooting or setting up a clean reflash environment, these BCM harnesses deliver dependable connectivity and performance.