Features: Specifically designed for Research Power Boards, this running board controller power board (1904280STA) for A-04/A-06 controllers, restoring performances to electric step for vehicles. Crafted from ABS material, the module features a simplified easy installation process, allowing direct replacement of worn out units via its integrated two pin jumper connection. Ideal for owners seeking to upgrades or repair their existing running board systems, particularly those experiencing reduced responsiveness or stability in their power step. Perfect for maintaining smooth electric step operation during vehicle entry/exit, ensuring reliable functionality in daily commutes, family trips, or adventures. Enhances running board responsiveness and stability through precise power management, delivering consistent performances across diverse weather conditions and terrain types. Specifications: Material: ABS Size: About. 7.8x4x13.4cm/3.07x1.57x5.28in Part Number: 1904280sta Package Includes: 1pc Power Board note: Please allow 1-2cm errors due to manual measurement. Due to difference between different monitors, the picture may not reflect the item actual color.