AMP Research PowerStep B05 to STB Pigtail Adapter Harness
The AMP Research 19-04361-90 Pigtail Adapter is the best wiring solution for connecting older B05 PowerStep controllers to newer STB (Smart Truck Bed) modules or updated harnesses. This genuine AMP pigtail ensures reliable power and signal transfer for seamless PowerStep operation during system upgrades or repairs.
Key Features
- Direct Compatibility: Converts B05 controller connector to STB/module style for plug-and-play integration
- OEM Quality: Factory-spec wiring with weatherproof connectors for long-term reliability
- Easy Upgrade: Essential for updating older PowerStep systems to current harness standards
- Secure Connection: Molded ends prevent corrosion and ensure solid electrical contact
Specifications
| Specification | Detail |
|---|---|
| Part Number | 19-04361-90 |
| Type | B05 to STB Pigtail Adapter |
| Connectors | B05 Female to STB Male |
| Length | Approximately 12 inches |
| Material | Automotive-Grade Wiring & Connectors |
| Country of Origin | United States |
| Warranty | 5-Year Limited |
Product Notes
- Single pigtail harness – for PowerStep controller to module/harness conversion
Installation Notes
- Estimated time: 10-20 minutes, very easy difficulty, plug-and-play connection
- Simply unplug old harness and connect pigtail between B05 controller and new module
This Part Fits
| Application | Notes |
|---|---|
| AMP Research PowerStep Systems | B05 Controller to STB/Updated Harness Conversion |
| Various Vehicles | With Older PowerStep Installations Requiring Update |
Why Choose AMP Research?
- Inventor of automatic running boards with industry-leading innovation and quality
- Premium USA-made components with military-spec finishes for extreme durability
- 5-year warranty provides confidence for years of reliable operation
Frequently Asked Questions
-
Q: What does this pigtail do?
A: Adapts older B05 PowerStep controllers to newer STB modules or harness revisions. -
Q: Is it required for all upgrades?
A: Yes when converting from B05 to current PowerStep harness standards. -
Q: Does it extend length?
A: Provides short adapter – for longer runs, additional extensions may be needed. -
Q: Is wiring modification needed?
A: No, fully plug-and-play between compatible AMP components.
Shipping & Handling
- Method: UPS/FedEx Ground
- Availability: In stock, ships same or next business day
- Packaging: Official AMP Research retail packaging

AMP
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