AMP Research PowerStep™ | Automatic Electric Running Boards | 2022–2026 Chevrolet Silverado & GMC Sierra 1500 / 2024–2026 2500HD & 3500HD | SKU: 76255-01A

Brand: AMP Research | SKU: 76255-01A | Material: Die-Cast Aluminum (Anodized & PTFE Coated) | Application: Automatic Electric Deploy | Cab Styles: Crew Cab (Bolt-On) & Double Cab (Requires Board Trimming) | Free Shipping | Affirm & Afterpay Available

You Upgraded Your GM Truck. Now Cab Entry Is a Constant Climb.

You bought a current-generation Chevrolet Silverado or GMC Sierra for its class-leading towing capacity, high-strength frame architecture, and massive road presence. But whether your truck sits at factory height or clears oversized tires on a premium suspension system, getting in and out of the cab is a daily physical chore. Fixed factory running boards ruin the lower body lines, permanently rob you of nearly eight inches of ground clearance, and catch on rocks or trail obstacles. Worse yet, stationary steps act like a funnel, tracking mud, slush, and road gravel directly onto your boots every time you enter the cab.

Cheap imitation electric steps are not the answer either. Low-grade step motors lag, flex under heavy loads, and quickly short out when exposed to real-world punishment. In the high-humidity coastal zones or freezing winter corridors of the Corrosion Belt, chemical road brine and liquid salt easily migrate into unshielded pivot joints, seizing cheap components by January. In high-heat arid desert environments, punishing UV rays warp low-grade wiring looms and turn composite step fairings into a faded, chalky mess within a single season.

The AMP Research PowerStep (SKU: 76255-01A) is the permanent industrial-grade fix. Engineered specifically for the 2022–2026 GM 1500 and 2024–2026 heavy-duty (2500HD/3500HD) platforms, this system features weather-sealed electric motors (one per side) that instantly drop a full-length, high-traction step down 8 inches when a door swings open. When closed, the steps retract completely flush beneath the rocker panels—protecting the linkages from trail debris, optimizing aerodynamics, and maintaining your truck's true ground clearance.

The Obsidian Take

The AMP Research PowerStep system completely eliminates the historical trade-off between easy cab access and uncompromised underbody clearance. The 76255-01A is an ultra-specific, high-demand kit geometrically mapped to match the precise factory rocker panel weld stamps, body mount paths, and electronic communication modules unique to the refreshed 2022+ Silverado and Sierra platforms.

The boards mount directly to the rocker panel/body pinch weld using dedicated aluminum brackets—not to the frame. This is a critical engineering distinction. Suspension lifts don't affect the installation footprint because the rocker panel naturally moves with the cab. However, body lifts of 3 inches or greater DO affect installation because they modify the height relationship between the cab floor and the frame, shifting the step's ultimate drop height relative to the ground. Driven by a single weather-sealed high-torque electric motor per side, the OBD-II controller reads the digital door switches directly through the vehicle's computer network and sends 12v to both motors simultaneously upon any door opening, deploying the steps fluidly in approximately one second.

Instead of cheap stamped steel or thin-walled tubes, these boards are crafted from high-tensile die-cast aluminum coated in a military-grade anodized and PTFE non-stick corrosion shield. This prevents pitting and ensures the non-slip traction surface stays straight and safe. Complete with integrated OEM-style LED courtesy lights and a plug-and-play pass-through harness, it provides a seamless, factory-finished entry assist rated for a massive 600 lbs per side.

⚠️ Refreshed GM Generation Constraints: This kit is digitally and physically tailored exclusively for 2022–2026 1500 model years and 2024–2026 heavy-duty models. Due to internal gateway routing variations, the plug-and-play OBD-II controller is pinned specifically to handshake with refreshed digital body control networks. Attempting to splice or force-install this kit onto a 2019–2021 platform or a 2022 "Limited/LD" carryover model will trigger immediate CAN-bus module communication errors.

⚠️ Double Cab Trimming Mandate: While this system is fully compatible with both Crew Cab and Double Cab frame sizes, the aluminum steps come factory-cut to full Crew Cab lengths. Installing this kit on a Double Cab configuration requires manually trimming the aluminum board profiles using a metal-cutting saw according to the included application schematic before mounting.

⚠️ Chassis Clearance and Aftermarket Slider Conflicts: The PowerStep linkage arms occupy the factory mounting areas directly along the rocker panel seams. This system is entirely incompatible with frame-mounted rock sliders, aftermarket body-mounted nerf bars, or trucks with heavy body lifts that alter the relationship between the cab floor and the chassis.

Confirmed Fitment Matrix

CRITICAL FITMENT NOTE: This kit is engineered strictly for current-generation, refreshed GM full-size truck platforms. Verify your exact cab doors, bed length, and body style indicators prior to ordering.

❌ This Unit Does NOT Fit:

• 2022 Silverado/Sierra 1500 Limited / LD Models: Legacy pre-refresh carryover models use an older wiring architecture.

• 2022–2023 Silverado/Sierra 2500HD / 3500HD Models: Earlier heavy-duty platforms possess an incompatible electrical infrastructure.

• Regular Cab Models: Two-door configurations utilize completely separate frame and electrical layouts.

• 8-Foot Long Bed Trucks: Extended wheelbase lengths require a separate wiring harness loom extension.

Technical Specifications

Before You Order — 4 Fitment Checkpoints

Electronic running boards require precise platform matching to prevent field installation errors. Review these four checkpoints before checking out:

1. Cab and Generation Validation: Verify your truck is a 4-door Crew Cab or Double Cab layout. If it is a 2022 model year, confirm it is the "New Body Style" and not an LD/Limited model. If it is an HD model, confirm it is a 2024+.

2. Double Cab Tool Requirement: If you are buying this for a Double Cab, verify you have the proper tools (metal-cutting saw) to cleanly trim the aluminum step profiles down to the correct shorter length per the included schematic.

3. Fender Flare & Wheel Offset Review: If you are running aggressive aftermarket flat-style fender flares, heavy mud flaps, or wide-offset wheels, manually verify that your front tires will not contact the forward step linkage arm during a full lock-to-lock steering sweep.

4. Existing Armor Check: Look under your rocker rails. Any existing frame-mounted rock sliders, step bars, or aftermarket nerf bars must be fully unbolted and removed, as the PowerStep brackets require exclusive access to those factory pinch weld tracks.

Professional Installation & Mechanical Notes

• Harness Routing Strategy: Pro Tip: Always route your primary electronic wiring loom along the frame rail using the included heavy-duty zip ties before mounting and torquing the step brackets. Note: On the driver side, Do Not Zip-Tie the Wire Harness to the Brake Lines.

• Pre-Torque Function Test: Connect the plug-and-play pass-through OBD-II controller under the dash and cycle the step motors electronically by tripping the door sensors prior to applying final torque values to the bracket hardware. This allows the linkage arms to square up naturally and prevents binding.

• Pivot Point Maintenance: While the premium PTFE finish keeps road salt and grime from adhering to the aluminum boards, spray the exposed mechanical pivot pins periodically with a premium dry silicone lubricant to keep the high-torque steps cycling silently through mud and winter conditions.

AMP RESEARCH POLICY NOTE: Due to the vehicle-specific software programming loaded into the plug-and-play OBD-II diagnostic gateway box, once this wiring network has been connected to vehicle power, the system is non-returnable. Double-check all vehicle configurations prior to unboxing electrical sub-assemblies.

Questions We Get Asked

How do the running boards know exactly when to deploy and retract? The system includes a smart OBD-II controller that plugs directly into your factory diagnostic port under the dash. It reads the digital door open and close signals directly from your truck's internal computer network. When any door opens, the module instantly sends 12 volts to the weather-sealed motor on that side to deploy the board.

Do both sides deploy simultaneously or just the side where the door opens? Both sides deploy simultaneously when any door is opened. This ensures a rock-solid step surface is fully available regardless of which side you are entering, exiting, or accessing your roof rack from.

Why does a Double Cab truck require manual board trimming? The aluminum steps ship factory-cut to full Crew Cab lengths, which are the longest passenger doors GM produces. Double Cabs utilize smaller rear entry doors and shorter overall rocker dimensions. AMP includes an exact scaling template to guide your cut lines using a standard metal-cutting saw.

What is the precise difference between the 2022 "New Body Style" and a 2022 "Limited"? In 2022, GM simultaneously manufactured the old T1 architecture carryovers (labeled Limited or LD) alongside the refreshed T1XX platforms. Their electronic gateway layouts, under-dash pins, and body mount styles share zero cross-compatibility. This kit integrates purely with the refreshed New Body Style.

Why don't heavy-duty 2500HD and 3500HD models from 2022 and 2023 fit this kit? GM's heavy-duty truck platforms did not receive the refreshed internal digital electronic configuration updates until the 2024 model year launch. Attempting to handshake the 76255-01A kit's OBD-II module with a 2022–2023 HD vehicle network will trigger instantaneous module communication faults.

Will an aftermarket suspension lift interfere with the step mounting rails? No. Because the mounting links anchor directly to the rocker panels rather than the frame rails, suspension lifts between 2 and 6 inches have no effect on installation geometry. However, body lifts greater than 3 inches shift the vertical cab plane away from the ground, altering step drop positions.

Can I use these automatic steps alongside my factory rock sliders? No. The PowerStep deployment brackets occupy the exact same rocker panel pinch weld paths used by frame armor, running boards, and nerf bars. All existing side steps must be removed completely to clear the linkage paths.

Why Buy From Obsidian Forged Auto Supply

• Authorized AMP Research Dealer — Full manufacturer warranty validation with factory-direct product routing and support tracking.

• Free Shipping, Lower 48 — Rapid large-parcel ground delivery shipped directly from our closest regional distribution warehouse.

• Real Fitment Verification — Text (469) 407-7538 (SMS only) with your GM truck’s VIN, cab layout, bed length, and aftermarket lift specifications. An Obsidian specialist will audit your factory build sheet for a 100% certified fit confirmation before shipping.

• Premium Financing Available — Safe, secure checkout flexibility via Affirm and Afterpay on qualifying orders.

Disclaimer

The technical and product information presented above is compiled from data provided directly by the component manufacturer. Obsidian Forged Auto Supply maintains a rigorous engineering audit workflow to ensure vehicle fitment compatibility; however, we are not responsible or liable for sudden manufacturer-driven specification updates, raw metadata changes, or accuracy discrepancies in the foundational data sheets provided by the manufacturer.

2022–2026 Chevrolet Silverado & GMC Sierra 1500 / 2024–2026 2500HD & 3500HD. Crew and Double Cab setups. Clear the entry climb effortlessly. Add to cart.

Unsure if your refreshed GM truck's exact manufacturing date, custom trim line, or negative wheel offset will clear this automatic step geometry? Text your build specs to (469) 407-7538 and an Obsidian technician will verify it.