AMP RESEARCH 77255-01A Running Board Kit Instruction Manual

: June 13, 2024
: AMP RESEARCH

Table of Contents

AMP RESEARCH 77255-01A Running Board Kit
Product Information
Product Usage Instructions
APPLICATION
TOOLS REQUIRED
Attaching motor to Linkage assembly
Running board assembly
TOOLS
INSTALLATION INSTRUCTION
FINAL SYSTEM CHECK
Product Registration Benefits
5-YEAR LIMITED WARRANTY
Documents / Resources

AMP RESEARCH 77255-01A Running Board Kit

Product Information

The product is an installation guide for a specific model of running boards designed for Chevrolet Silverado and GMC Sierra Crew Cab vehicles. The product is compatible with model years 2022 – 2024 and is identified by the AMP Part# 77255-01A. The installation time is estimated to be between 3-5 hours, and professional installation is recommended. The product comes with a 5-year limited warranty and is supported by AMP Research tech support.

Product Usage Instructions

Tools Required

Safety goggles
Measuring tape
Power Drill
10 mm socket
13 mm socket
1/2 socket
Ratchet wrench and extension
Wire crimpers
Wire stripper/cutter
3/16 hex key wrench (Allen wrench)
4mm hex key wrench (Allen wrench )
Electrical tape
Weatherproof caulking (silicone sealer)
Silicone spray

Installation Steps

Step 1: Attaching motor to Linkage assembly
Refer to the exploded view diagram provided in the manual. Handle the motor and linkage assembly with care.
Step 2: Running board assembly
Follow the cut dimension provided in the diagram to assemble the running board components. Attach the end caps, T-nut inserts, socket cap screws, and end cap wedges according to the diagram.
Step 3: Motor and Linkage assembly
Assemble the motor and linkage components following the provided diagram. Install the driver and passenger motor linkage assemblies, as well as the idler linkage assembly.
Step 4: Rail Assembly
Attach the rail assembly using the supplied bolts and brackets. Install the rail mounting brackets and tighten them to allow for adjustment.
Step 5: Wiring and Controller installation
Connect the wire harness, controller, and other electrical components according to the provided instructions. Use butt connectors, OBD II plug, Posi-TapTM, and cable ties as necessary.
Step 6: Final adjustments and tightening
Make final adjustments to ensure proper fit and alignment of the running boards. Tighten all bolts and nuts securely. Apply weatherproof caulking (silicone sealer) as needed.
Note: Please refer to the complete user manual for detailed instructions, diagrams, and safety precautions.

APPLICATION

Chevrolet Silverado 1500 – Crew Cab 2022 – 2023
GMC Sierra 1 500 – Crew Cab 2022 – 2023 77255-01A
Chevrolet Silverado 2500/3500 – Crew Cab 2024 77255-01A
GMC Sierra 2500/3500 – Crew Cab 2024 77255-01A
Note: The application works only on the Crew Cab model Vehicles.

INSTALLATION TIME 3-5 Hours

Professional installation recommended

TOOLS REQUIRED

Safety goggles
Measuring tape
Power Drill
10 mm socket
13 mm socket
1/2” socket
Ratchet wrench and extension
Wire crimpers
Wire stripper/cutter
3/16” hex key wrench (Allen wrench)
4mm hex key wrench (Allen wrench )
Electrical tape
Weatherproof caulking (silicone sealer)
Silicone spray

WARRANTY 5-Year Limited Warranty

Attaching motor to Linkage assembly

EXPLODED VIEW

Motor Linkage
Motor Kit
Delta PT screws
CAUTION: HANDLE WITH CARE.
To ensure our customers receive all components with full integrity, we pack the motors separately from their linkage assemblies.
This requires that the installer position and fasten the motor before continuing with the installation.
Please follow the instructions below and handle the assembly carefully.
CAUTION: Dropping the assembly or any excessive impact MAY cause damage to the motor.

Instructions:

Position the gear cover in place as shown if not already in place.
Seat motor into position on the three mounting bosses. This may require an adjustment of the gear by moving the swing arms.
After seating into place, fasten the motor with the three motor mount screws with a 4mm Hex Head. Tighten screws to 36 in-lbs (4N-m). Do not over-torque.

(A) End cap left (x1)
(B) End cap right (x1)
(C) T-nut insert (x2)
(D) Socket cap screw (x2)
(E) End cap wedge right (x1)
(F) End cap wedge left (x1)

Running board assembly

Motor Linkage Assembly Driver
Motor Linkage Assembly Passenger
Idler Linkage assembly
Rail Assembly

TOOLS

INSTALLATION INSTRUCTION

Remove plastic body plugs in the three locations shown. Using supplied M8 Conical washer bolts(9), Install brackets(23,24,25) onto the truck as shown. Bracket legs face each other.
The rail support bracket is located between the front and rear linkage mounts as shown. Do not tighten to allow for adjustment.
Slide 7 carriage bolts(12) into the rail and position them in place to attach brackets leaving the 3rd and 5th bolts in place to use to attach Light Brackets. Use the provided flange nuts (15) to attach the board to brackets. Do not tighten to allow for adjustment.
Add Light Bracket (18) to the 3rd and 5th bolt counting from the front side. Insert Flange Nut (13) onto the bracket tab to attach light brackets into the position shown. Do not tighten to allow for adjustment. Repeat steps 1 through 3 on the other side.
Thread supplied bolts 2x (9) into the Rear Drive Linkage. Repeat the step for Front Idler Linkage. Do not tighten.
Install the provided spacer (14) and M6 bolt (10) into the upper mount as shown on both the Drive and Idler linkages. Do not tighten.
Slide mounting T-nut into position, Center board in rail pocket. Tighten fasteners to 10 ft-lbs.
Use a 13mm socket Torque linkage bolt 4x (9) from step 4 to 16 ft-lbs Next use a 10mm socket, torque linkage spacer bolt 2x (10) from step 5 to 8 ft-lbs.
Verify rail clearance at the front fender trim and push upwards on the rail to ensure the rail is snug to the bottom of the linkage mounting bracket. Using a 1/2” socket start at the rear of the vehicle and work forward. Torque 5 flange nuts (13) to 16ft-lbs. Tighten mounting bracket hardware from step 1. Torque to 16ft-lbs
Attach motor to linkage. Using a 4mm hex Torque to 36 in-Lbs.
Remove the fuse from the Powerstep wire harness.
Remove the Negative terminal on the battery to prevent a CEL when removing the Connectors under the dash in step 13. A loss of communication code may appear if the battery is not disconnected.
Attach the wire harness to the controller and ensure locking tabs are engaged. Remove the cover on the battery top box. Connect the Red wire to the stud on the positive power battery cable terminal. Secure controller with supplied 11” cable Ties(16). The black wire will be attached to the negative terminal accessory stud when the battery is reconnected in Step 19.
Route the long wire harness leg across the truck under the edge of the cowl (zip tied thru the push rivet slots on the bottom), and then down to the outside of the frame away from the exhaust and steering, cable ties(15) it in place.
The other leg shall go down immediately away from the exhaust and to the frame area. A cable tie as needed.
Remove the driver-side door sill trim and kick panel carefully. Pull up the carpet, and poke a small screwdriver through the rubber insulation material.
Route wire harness along the frame and back towards rear linkages. Secure with zip ties. Push both wires through rubber grommets.
NOTE: Seal holes with silicone glue and cover with tape so the carpet does not stick to glue.
Affix LED lamp (17) to LED Bracket (18) that was installed in step 3. Slide the bracket into the desired position and tighten using the 5/32” Allen key.
Using supplied butt connectors (19), connect the lamp wires. Red to Red, Black to Black. Once Crimped use heat gun to shrink the tube. Close and wrap the conduit with electrical tape. Secure all loose wires with cable ties. Pull lamp wires upward to avoid any wire snagging.
In the driver-side kick panel area, locate a bank of 8 plugs. Locate the light grey connector and the light green connector.
a. On the dark grey connector, locate the Light Green/Grey stripe wire located in pin location 29. Use the supplied Posi-tap™ (21) and connect the blue wire from the OBD module.
b. On the light green connector, locate the Green/Yellow stripe wire located in pin location 19. Use the supplied Posi-tap™ (21) connector and connect the white wire from the OBD module.
See the next step for Posi-lock™ (8) install instructions.
OBD II install: Use Supplied Posi Twist connectors to attach the Plug and Play Module to the Harness. Attach matching colors on the harness to the wires on the module. Plug in the module to the OBD II port on the vehicle. Secure the harness with supplied tie wraps.
Note: If the OBD II pass-thru harness (76404-01A) was purchased see the install sheet supplied in the packaging. The pass-through harness allows for an open port for other accessories. See the next page for a brief description.
Reconnect the Negative battery terminal and attach a black wire to the terminal. Check that all doors activate the Power Step and that the LED Lights work when doors open and close. Reinstall any remaining trim panels.

FINAL SYSTEM CHECK

Check that all doors activate the PowerStep and that the LED lights work when doors open and close.
NORMAL OPERATION: When the doors open, PowerStep automatically deploys from under the vehicle. When the doors are closed, PowerStep will automatically return to the stowed/retracted position. Note that there is a 2-second delay before the PowerStep returns to the stowed/retracted position.
CORRECT OPERATION OF LIGHTS: All four lamps will illuminate upon opening any door of the vehicle. Lamps will stay on until the bestowing of both Power Steps or until 5 minutes has expired with the doors open. When the lights time out after 5 minutes, they can be illuminated by closing and opening any door of the vehicle.
Thank you for your recent AMP Research Purchase.
REGISTER YOUR PRODUCT TODAY FOR
FASTER SERVICE AND PRODUCT UPDATES
Please visit: www.amp-research.com/productregistration or scan the QR Code

Product Registration Benefits

Ensure we have your purchase receipt and product info in our system which is required for warranty
Faster and easier access to customer service and tech support in the unlikely event you need warranty or product support
Registration helps us keep you up to date on product information and offers
To view other Amp Research products that may be offered for your vehicle. Please visit: www.amp-research.com
Congratulations on your purchase of the genuine AMP Research PowerStep! Here’s what you should know.
POWER-DEPLOYABLE RUNNING BOARDS OPERATION: AMP Research PowerStep running boards automatically move when the doors are opened to assist in entering and exiting the vehicle.

Automatic power deployment:

The running boards will extend down and out when the doors are opened.

Automatic power stow:

The running boards will return to the stowed position when the doors are closed.
There will be a 2-second delay before the running boards move to the stowed position.

Automatic stop:

If an object is in the way of the moving running board, the running board will automatically stop.
To reset, clear any obstruction, then simply open and close the door to resume normal operation.
Manually set in the deployed (OUT) position for access to the roof: your foot while at the same time closing the door. To resume normal operation, open and close the door.
Maintenance: In adverse conditions, debris such as mud, dirt, and salt may become trapped in the running board mechanism, possibly leading to unwanted noise. If this occurs, manually set the running boards to
Avoid spraying the motors directly. After washing, apply silicone spray lubricant to the hinge pivot pins. Do not apply silicone, wax, or protectants like Armor All® to the running board stepping surface.
Caution! Keep hands away when the running board is in motion.

5-YEAR LIMITED WARRANTY

AMP RESEARCH warrants this product to be free from defects in material and workmanship for FIVE (5) YEARS FROM DATE OF PURCHASE, provided there has been normal use and proper maintenance.
This warranty applies to the original purchaser only. All remedies under this warranty are limited to the repair replacement of the product itself, or the repair or replacement of any component part thereof, found by the factory to be defective within the time period specified.
The decision to repair or replace is wholly within the discretion of the manufacturer.
This warranty specifically excludes labor. If you have a warranty claim, first you must call our factory at the number below for instructions. You must retain proof of purchase and submit a copy with any items returned for warranty work. Upon completion of warranty work, if any, we will return the repaired or replaced item or items to you freight prepaid. Damage to our products caused by accidents, fire, vandalism, negligence, misinstallation, misuse, Acts of God, or by defective parts not manufactured by us, is not covered under this warranty.
ANY IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE CREATED HEREBY ARE LIMITED IN DURATION TO THE SAME DURATION AND SCOPE AS THE EXPRESS WRITTEN WARRANTY. OUR COMPANY SHALL NOT BE LIABLE FOR ANY INCIDENTAL OR CONSEQUENTIAL DAMAGE.
Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights that vary from state to state.
FOR WARRANTY ISSUES WITH THIS PRODUCT PLEASE CALL AMP RESEARCH TECH SUPPORT AT 1-888-983-2204

WARNING

Be sure to read and precisely follow the provided instructions when installing this product. Failure to do so could place the vehicle occupants in a potentially dangerous situation.
After installing or reinstalling, re-check to ensure that the product is properly installed.
The material that your product is made from can be recycled. Please also consider recycling the packaging that your product came in.
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