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Restore Automatic Deployment on Your AMP Research PowerStep Running Boards
The AMP Research 19-04280-STB is the standard Type B replacement controller for Gen 3 PowerStep automatic running board systems on select Ford trucks and SUVs. It directly supersedes the older B-03 and B-05 controllers, restoring smooth and reliable automatic deployment triggered by the door signal. The 19-04280-STB includes dedicated ports for the optional AMP LED lighting kit (75131-01A) and an override toggle switch (79106-01A), and it is compatible with PowerStep kits 75134-01A, 75141-01A, and 77106-01A. For systems originally wired to B-03 or B-05 controllers, the pigtail adapter harness 19-04361-90 is required and sold separately. This is a genuine AMP Research component built and engineered in the USA to the same standards as the original factory-installed controller.
Key Features
- Direct replacement for B-03 and B-05 PowerStep controllers
- Compatible with AMP Research PowerStep kits 75134-01A, 75141-01A, and 77106-01A
- Dedicated port for the optional AMP LED lighting kit (75131-01A)
- Dedicated port for the optional override toggle switch (79106-01A)
- Plug-and-play installation — pigtail adapter 19-04361-90 required for older B-03/B-05 harnesses, sold separately
- Genuine AMP Research component, designed and engineered in the USA
- Limited lifetime warranty
- Weather-resistant construction for underbody exposure
Fitment
| Year Range | Make | Model | Trim |
|---|---|---|---|
| 2002-2003 | Ford | Excursion | Limited, XLT, Eddie Bauer |
| 2009-2014 | Ford | F-150 | FX2, FX4, Harley-Davidson Edition, King Ranch, Lariat, Limited, Platinum, STX, XL, XLT |
| 2002-2016 | Ford | F-250 Super Duty | Cabela's, FX4, King Ranch, Lariat, Platinum, XL, XLT |
| 2002-2016 | Ford | F-350 Super Duty | Cabela's, Harley-Davidson Edition, King Ranch, Lariat, Platinum, XL |
Specifications
| Detail | Value |
|---|---|
| Part Number | 19-04280-STB |
| SKU | AMP19-04280-STB |
| UPC | 815410015373 |
| Type | Standard Type B Controller |
| Replaces | B-03 and B-05 controllers |
| Compatible Kits | 75134-01A, 75141-01A, 77106-01A |
| Color | Black |
| Country of Origin | USA |
| Warranty | Limited Lifetime |
| Quantity | 1 Controller |
What's Included
- 1 x AMP Research 19-04280-STB Standard Type B PowerStep controller
Related Parts on Our Site
- 19-04361-90 — B05 to STB Pigtail Adapter (required for older harness connections)
- 79106-01A — Override Toggle Switch (standalone switch for manual step control)
- 79107-01A — Override Switch with STB1 Controller (combo kit)
- 75131-01A — PowerStep LED Light Kit
- 19-04280-STA — Type A Standard Controller (for Type A PowerStep systems)
- 19-04279-XTA — Type A Xtreme Controller
About AMP Research
AMP Research invented the automatic power running board and has remained the industry leader in retractable step technology for trucks and SUVs. Every AMP Research component is designed and engineered in the USA using military-grade materials and tested to withstand years of underbody exposure, vibration, and daily use. The 19-04280-STB controller carries the same limited lifetime warranty as AMP Research's complete PowerStep systems.
Frequently Asked Questions
What is the AMP Research 19-04280-STB?The AMP Research 19-04280-STB is a standard Type B replacement controller for Gen 3 AMP Research PowerStep automatic running board systems. It supersedes the older B-03 and B-05 controllers and is compatible with PowerStep kits 75134-01A, 75141-01A, and 77106-01A on select Ford trucks and SUVs from 2002 to 2016.
Do I need the pigtail adapter harness 19-04361-90?Yes, if your existing system uses a B-03 or B-05 controller with the older wiring harness connector. The 19-04361-90 pigtail adapter is sold separately and allows the new Type B controller to mate with the original harness. If your system already uses a Type B connector, no adapter is needed.
Does the 19-04280-STB support the AMP LED lighting kit?Yes. The Type B controller includes a dedicated accessory port for the optional AMP Research LED light kit (75131-01A). No additional wiring is required beyond connecting the LED harness to the controller port.
Can I add an override toggle switch with this controller?Yes. The 19-04280-STB has a built-in port for the optional AMP Research override toggle switch (79106-01A), which allows you to control step deployment independently from the door trigger signal. The 79107-01A combo kit includes both the switch and a new STB1 controller.
Will this controller work on my 2012 Ford F-250 Super Duty?Yes, provided your F-250 Super Duty is equipped with AMP Research PowerStep running boards using one of the compatible kit numbers: 75134-01A, 75141-01A, or 77106-01A. Verify your kit number before ordering.
Does this fit the 2008-2012 Ford Super Duty?No. This controller does not fit the 2008-2012 Ford Super Duty or the 2009-2012 F-150 in certain configurations. Confirm your specific kit number against the compatible kit list before ordering.
What is the difference between the Type A and Type B controllers?Type A and Type B designations refer to different generations of PowerStep electronics. The 19-04280-STB Type B replaces B-03 and B-05 controllers. If your system uses an A-04 or A-06 controller, you need the 19-04280-STA Type A standard controller instead. Using the wrong type results in an incompatible connector or incorrect trigger logic.
Is this covered by a warranty?Yes. The 19-04280-STB is covered by AMP Research's limited lifetime warranty against defects in materials and workmanship when used as intended on a compatible PowerStep system.
Installation Instructions
- Locate the existing PowerStep controller mounted in the engine bay or behind the front fascia.
- Disconnect the vehicle battery negative terminal before handling any electrical connections.
- Unplug the existing B-03 or B-05 controller harness connectors.
- If required, install the 19-04361-90 pigtail adapter to the vehicle harness connector.
- Connect the new 19-04280-STB controller to the harness connectors until each plug clicks into place.
- If installing an LED lighting kit or override switch, connect those harness leads to the appropriate accessory ports on the controller.
- Mount the controller in the factory location using the original hardware.
- Reconnect the battery and test step deployment by opening each door to confirm proper operation.
WARNING: This product can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and reproductive harm. For more information go to www.P65Warnings.ca.gov.
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