2024-2025 Volkswagen Onboard Supply Module Wiring Connector / Pigtail Set

The Onboard Supply Module Wiring Connector Pigtail Set is a critical component located within the vehicle's body control module (BCM) system. This genuine OEM part, compatible with 2024 and 2025 Volkswagen Atlas and Atlas Cross Sport models, ensures seamless communication between the onboard power supply and other electronic systems. The pigtail connects various wiring harnesses to the BCM, playing a vital role in powering auxiliary systems such as lighting and infotainment. Common issues leading to replacement include damaged connectors from wear or physical impact, resulting in malfunctioning electrical components. This part is also referred to as a wiring harness connector or pigtail assembly. OEM part numbers include 5WA937086AD and 5WA937086BQ, ensuring compatibility and reliability.