Ensure your PowerStep system stays operational with the (STB) 19-04280-STB Controller. This certified AMP Research unit is the direct, upgraded replacement for discontinued B-03 and B-05 controllers. Product Highlights Direct Upgrade: Supersedes and replaces older B-03 and B-05 controller models. Lighting & Expansion Ready: Fully supports the AMP Research LED Lighting Kit and includes a dedicated plug for the optional Manual Toggle Switch. Vehicle Compatibility: Designed for hardwired installations on: Ford F-150: 2009–2014 (SuperCrew & SuperCab) Ford Super Duty (F250/F350/F450): 2002–2003 & 2008–2016 Ford Excursion: 2002–2003 ⚠️ Important Ordering Information Wiring Requirements: If you are replacing an original B-03 or B-05 unit, a specific Green & Yellow Plug (19-04361-90) is required for installation. Expert Support: Fitment for these controllers is highly specific. To ensure you have the right part for your year and model, please call us at 906-AMP-STEP before finalizing your purchase. (To be used on the following kits 75141-01a, 75134-01a & 77106-01a). Additional plug is for the Optional Toggle Switch This item ships directly from AMP and is considered a custom part. At this time there is NO Estimated Time of Production or delivery. NOTE: This part is "Made to Order, and is Non-Refundable.