AMP Research Power Step User manual

A U T O M A T I C R E T R A C T I N G R U N N I N G B O A R D
CONTENTS
PG
Parts List 2
Tools Required 4
Installation 5
Warranty 11
TECHNICAL SUPPORT
AMP Research Customer Service
[phone]
VEHICLE APPLICATION
Chevrolet SIlverado /
GMC Sierra
1999-2005
Product # 10-03057-10 (Crew Cab)
10-03057-11 (Extended Cab)
Chevrolet Tahoe / Suburban
Chevrolet Avalanche
GMC Yukon / Yukon XL
Cadillac Escalade Ext / ESV
2001-2005 (2003-2005 for Cadillac)
Product # 10-03036-10 (Suburban,
Yukon XL, Avalanche w/o cladding,
Escalade)
10-03036-11 (Avalanche w/ cladding,
Tahoe, Yukon)
WARNING
Failure to carefully follow the electrical installation steps
could result in severe electrical shock which could harm
the installer and/or damage the vehicle.
!
WARNING
This product is designed to enhance the appearance of the
vehicle. Do not rely in any way on the components of this
product to contain occupants within the vehicle, or to
protect against injury of death in the event of an accident.
Never operate vehicle in excess of manufacturer’s
specifications.
WEAR SEAT BELTS AT ALL TIMES
Read and follow, precisely, all installation instructions
provided when installing this product. Failure to do so
could place occupants of the vehicle in a potentially
dangerous situation. After installing or reinstalling, check to
make sure it has been properly installed.
!
WARNING
The manufacturer strongly recommends that this product
be professionally installed.
!
1/11 IM3057 rev 09.27.05
I N S T A L L A T I O N G U I D E
www.amp-research.com

USED ON SILVERADO
AND SIERRA
HEAVY DUTIES ONLY.
USED ON SILVERADO
AND SIERRA
HEAVY DUTIES ONLY.
7
AMP RESEARCH POWER STEP
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www.amp-research.com
1
23
456
x2
x2 x2
x2

BRACKET
SHAPE VARIES
x4
14 x8
x8
AMP RESEARCH POWER STEP
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GMC / CHEVROLET
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810 11
18
17
21
19 x4
12
x25
13
15 16
20
9
x4
x4
x4 x5
x8

13 mm
7 mm
1/8" 3/16" 9/32" 21/64"
AMP RESEARCH POWER STEP
4/11
GMC / CHEVROLET
www.amp-research.com
3/16"
13 mm
SILICONE SEALER
5 mm
3/16"
Corrosion Protection Paint
Electrical Tape

6
6
7
8
8
MOUNTING TAB
SILL DRAIN
SILL DRAIN
FOR SUV
8
AMP RESEARCH POWER STEP
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GMC / CHEVROLET
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12
34
56
Steps 1-3 for Heavy Duty Trucks
only! For all other vehicles skip
to Step 4.
Install replacement brake cable guides.
HD - Long Bed: Install plastic brake cable guide
in forward hole of rear body mount.
Template position for Tahoe and Yukon shown
in hidden lines.
With drill template secured with vise grips,
drill 1/8” starter holes. Remove template and
drill holes to 21/64”.
Template position for SUV driver side shown
in hidden lines.
HD - Short Bed: Remove forward most brake
cable guide.
HD - Long Bed: Remove first and third brake
cable guide.
Clamp drill template about 1/16” forward of the
rearmost sill drain.
Tahoe and Yukon: Calmp Template 1/8”
behind second rearmost sill drain.
Clamp drill template to pinch weld about 1/8”
behind the forwardmost mounting tab.
Then repeat Step 5.
SUV’s: On driver side only, clamp template
1/8” forward of sill drain.

2
1
16
12 10
10
9
13
11
TIGHTEN AFTER
ADJUSTMENT
ADJUST EDGE TO
HORIZONTAL
11
AVOID
DRILLING
THROUGH
WIRES.
10
12
AVOID
DRILLING
THROUGH
WIRES.
AMP RESEARCH POWER STEP
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78
910
11 12
Use a straight edge to make a vertical line
centered between drilled mounting holes.
READ THE ABOVE CAUTION NOTE!
Center the upper support mount and drill 1/8”
starter holes, then remove mount and drill 3/16”
holes. Drill through first layer of sheet metal
only. Attach with #14 sheet metal screws.
Mount linkage assembly and upper bracket and
finger tighten all fasteners.
Slide mounting T-nut into position. Mount
board and tighten fasteners to 10 ft-lbs. Align
the end of the board with the rear edge of the
back door.
Tighten button head fasteners and upper nut to
16 ft-lbs. Then adjust the bottom edge to
horizontal and tighten hex bolt to 16ft-lbs.
CAUTION: Remove step plates on inside of cab and move vehicle
wire harnesses out of the way before drilling in Steps 8 & 9.
File down any exposed screw tips
from inside and cover with silicone.
File down any exposed screw tips
from inside and cover with silicone.
READ THE ABOVE CAUTION NOTE!
Repeat Steps 7 & 8 for rear mount. Drill through
first layer of sheet metal only. This mount
support will mount partially behind frame
support and will require only one sheet metal
screw.
Mount linkage assembly and upper bracket and
finger tighten all fasteners.
IMPORTANT NOTE:
For Truck and HD Avalanche:
The motorized linkage
assembly goes to the front
location on the drivers side
and to the rear location on
the passenger side.
For SUV & 1500 Avalanche:
The motorized linkages
assembly go to the fromt
location on both sides.

15
4
5
4
4
4
3
4
AMP RESEARCH POWER STEP
7/11 IM3057 rev 03.25.05
GMC / CHEVROLET
www.amp-research.com
13 14
15 16
17 18
Remove left hood support on driver side and
replace with M8 hex bolt. Position controller
and slide bracket over the hood support bolt.
Apply 8mm nut.
Remove power fuse. Attach power lead RED
wire to positive lead in the junction box.
CAUTION: Do not ground wrench when
engaged with nut.
Route long end of wire harness above engine
and down through passenger side wheel well.
Zip tie harness to cowling clips on fire wall.
Route short end down drivers side.
Route wire harness along the frame. Secure
with zip ties.
Poke hole through rubber grommet near
front door on underside of floor panel with
small phillips screwdriver. Push both wires
through hole.
(See Step 19 for passenger side notes.)
Pop off the threshold cover with screwdriver and
remove the kick panel. The panel will slide out
from under the seat after fasteners give way.
Plug in wire harness.
(Ensure that locking
tabs engage.) Attach ground lead to junction
box mounting bracket.
Secure with zip ties.
Plug wire
harness into
motors.

4
19
21
4
AMP RESEARCH POWER STEP
8/11 IM3057 rev 03.25.05
GMC / CHEVROLET
www.amp-research.com
19 20
21 22
23 24
Pull up the carpet and thread both wires
through the floor panel (same steps on passen-
ger side EXCEPT drill 9/32” hole in metal and
add rubber grommet).
Attach T-tap connector to wire found in step 20.
Apply spade connector to shorter wire of Step
19 and connect spde to T-tap.
Remove plastic trim on door
near mirror attachment.
To remove door, first pry off door lock.
Remove door bolts.
Pry off door handle plate and any remaining
panel fasteners. Then remove door panel.
IMPORTANT: Steps 20 and 21 are for Crew Cabs only. Light blue and Green wires
will not be used otherwise. See wire diagrams for model years previous to 2003.
Seal holes with silicon glue. See wire diagrams for model
years previous to 2003.
NOTE: Remove door light
while removing door panel.
On Crew Cab carefully remove wire wrap and
find LIGHT BLUE wire with BLACK STRIPE (on
passenger side find GREEN wire with BLACK
STRIPE rear of the “T” junction where wires cross
under the front seat).
Crew Cab Only. Tape off extra wires otherwise.

17
4
4
17
4
4
19
21
AMP RESEARCH POWER STEP
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GMC / CHEVROLET
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25 26
27 28
29 30
Pull back the door weather guard. Pry off
speaker and unplug. Thread plastic tube
through accordion.
Feed longer wire of Step 19 through tube into
door and pull out plastic tube on door side.
Route wire along harness going to switch plate. Attach T-tap connector to GRAY wire with
BLACK STRIPE (passenger side: BLACK with
WHITE STRIPE). Attach routed wire to the
previous step and spade connector to T-tap.
Secure all wires with zip ties and electrical tape. Make sure that plug lever is fully opened before
reinstalling. Failure to do this will adversely
affect the operation of the powerstep and
window controls.
Reinstall door panel.

AMP RESEARCH POWER STEP
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GMC / CHEVROLET
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31 2
3
32
Replace power fuse.
Check that both doors activate the powerstep. Reinstall any remaining trim panels.
Repeat the adjustments of Step 12 if the stowed step position is not even.