AMP Research PowerStep 75155-01A User manual

www.amp-research.com 1/9 IM75155 rev 01.09.19
INSTALLATION GUIDE
AMP RESEARCH TECH SUPPORT 1-888-983-2204 (Press 2) Monday - Friday, 6:00 AM - 5:00 PM PST
3-5 Hours
Professional installation recommended
APPLICATION MODEL YR PART #
Toyota 4Runner 2010 - 2019 75155-01A
(Excludes Limited)
5-Year Limited Warranty
WARRANTY
Invented, engineered and manufactured exclusively by AMP Research in the USA. May be covered by one of the following patents:
6,641,158; 6,830,257; 6,834,875; 6,938,909; 7,055,839; 7,380,807; 7,398,985; 7,584,975 ©2012 AMP Research. All rights reserved.
Printed in USA.
INSTALLATION TIME
12 3 4
SKILL LEVEL
3= Experienced
TOOLS REQUIRED
qSafety goggles
qMeasuring tape
q19 mm socket
q10 mm socket
q12 mm socket
qRatchet wrench and extension
qPliers
qWire crimpers
qWire stripper / cutter
q3/16” hex key wrench (allen wrench)
q4mm hex key wrench (allen wrench)
qElectrical tape
qWeather proof caulking (silicone sealer)
q9/32 drill bit
qDrill

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AMP RESEARCH POWERSTEPTM – 4 RUNNER
2
Driver Motor
Linkage Assembly
3
Passenger Motor
Linkage Assembly
5
Wire Harness
6
Controller STA
7x8
Socket Cap Screw
1x2
Running board assembly
D
B
(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)
A
CE
F
Cut Dimension
4
Idler Linkage
Assembly
x2

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AMP RESEARCH POWERSTEPTM – 4 RUNNER
PARTS LIST AND HARDWARE
IDENTIFICATION
8x4
Posi-Tap™ (Red/Grey)
10 x6
Cinch Fastener
14 x2
Motor
15 x2
Motor Cover
12
Cable Tie 7”
x25 13
Cable Tie 11”
x2
20 x8
Butt Connector
19 x4
LED Lamp
18 x4
Grommet
9
Flat Head Cap Screw
x8 11
Flange Head Bolt
x8
16
Frame Mount Extrusion (Driver Rear)
17 x3
Frame Mount Extrusion
21 x4
Flat Head Cap Screw

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AMP RESEARCH POWERSTEPTM – 4 RUNNER
Snug bolts to allow for adjustment at a later step.
Locate forward most set of threaded holes on
the frame. Located just behind front body mount.
Using provided at head cap screws attach frame
mount extrusion to front set of threaded holes.
Torque screws to 16 ft-lbs.
Pre thread upper M10 ange head bolt onto
frame mount. Slide linkage into position and
thread in lower ange head bolt.
Locate Rear most set of threaded holes on the
frame just forward of rear suspension. Vehicle
shown has Vehicle Stability Control lines. Tighten
screws to 16 ft-lbs.
Pre thread upper M10 ange head bolt onto
frame mount. Slide linkage into position and
thread in lower ange head bolt. Motor faces
front of vehicle.
17
17
17
16
16
1
3 4
56
2

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AMP RESEARCH POWERSTEPTM – 4 RUNNER
Once running board is attached to lower mount
tighten linkages at front and rear. Tighten front
linkage and check for bind in the system. Steps
should deploy under own weight.
Slide mounting T-nut into position. Slide the
board back so that the front of the board is
aligned with the front edge of the front door.
Torque to 10 ft-lbs.
Secure controller to factory wire loom using
supplied 11” wire ties. Connect Red fused wire
to stud on battery positive terminal. Connect
Black wire to ground on inner fender panel.
Run wire harness as shown outside the frame
rails on both sides. Avoid hot, sharp or moving
parts! Secure with 7” wire ties.
Remove fuse.
Note: Run loom with Green/Yellow and
Pink/Black Trigger wires down drivers side
of vehicle.
Attach motor onto Motor Linkage Assembly
using two M6x16 at head screws on both drive
and passenger sides
7
910
11 12
8

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AMP RESEARCH POWERSTEPTM – 4 RUNNER
Pry left foot rest loose at driver side kick panel. Pry up front door sill plates and remove kick
panel fasteners and panels on driver and
passenger side.
Kick panel fastener
Open wire harness
contained in black
plastic split loom
Pull up carpet and locate rubber grommet.
Slice the grommet and pass trigger wires from
under the vehicle and into the cab.
Insert Tighten
Strip 3/8” Insert and
Tighten
Posi-Tap Instructions
17
15 16
13 14

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AMP RESEARCH POWERSTEPTM – 4 RUNNER
Slide rubber grommet on Wire Harness into
slot of Motor Cover. Slide Motor Cover over
Motor.
5
14
15
14 5
Connect Wire Harness to Motor.
Drivers Side Front: Connect Red Trigger Wire to
Red factory Door Ajar signal wire (12 volt negative
with door open) using supplied Posi-Tap.
Drivers Side Rear: Connect Purple Trigger Wire to
Purple factory Door Ajar signal wire using supplied
Posi-Tap.
Passenger Side Front: Connect Black Trigger
Wire to Black factory Door Ajar signal wire (12 volt
negative with door open) using supplied Posi-Tap.
Passenger Side Rear: Connect Red Trigger Wire
to Red factory Door Ajar signal wire using supplied
Posi-Tap.
18
19
23
20 21

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AMP RESEARCH POWERSTEPTM – 4 RUNNER
Insert plastic push pin rivets in mounting
holes of Motor Cover.
10
Drill a 9/32” hole through the pinch weld at marked
locations. Debur all holes.
19
18
Insert grommet into drilled holes. Insert lamp wires
through the grommets. (Silicon lube will help wires
slip through grommets.)
Afx lamp to rocker panel surface. Make sure lamp
is afxed to a at, clean surface.
24”
53”
24 25
22 23
26 27
20
Using supplied butt connectors, connect the lamp
wires. Red to Red, Black to Black. Once Crimped
use heat gun to shrink tube.
On each side of the vehicle measure from the front
edge of door line on the pinch weld to the specied
lengths below. Measure at 24” for front LED Light
and 53” for rear LED LIght.

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AMP RESEARCH POWERSTEPTM – 4 RUNNER
www.amp-research.comwww.amp-research.com
CORRECT OPERATION OF LIGHTS: All four lamps will illuminate upon opening any door of vehicle. Lamps
will stay on until restowing of both Power Steps or until 5 minutes has expired with the doors open. When the
lights timeout after 5 minutes, they can be reillumintated by closing and opening any door of vehicle.
FINAL SYSTEM CHECK
Check that all doors activate the PowerStep and 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.
28 29
Close and wrap with conduit and electrical tape.
Secure all loose wires with cable ties, with lamp
wires pulled upward to avoid any wire snagging.
Reinstall the fuse.
Check that all doors activate the Power Step and the LED Lights work when doors
open and close. Reinstall any remaining trim panels.

Automatic power deploy:
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 trappedin 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.
™
Congratulations on your purchase of the
genuine AMP Research PowerStep!
Here’s what you should know...
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 specied. The
decision to repair or replace is wholly within the discretion of the manufacturer.
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, re, 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 specic
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 CUSTOMER SERVICE 1-888-983-2204
5-YEAR LIMITED WARRANTY
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 insure that the product is properly installed.
AMP Research PowerStep running boards automatically move
when the doors are opened to assist entering and exiting the vehicle.
The material that your product is made from can be recycled.
Please also consider recycling the packaging that your
product came in.