SB-GM-SLVCRW/10W1v2_INSTR_SKU#011173
I N S T A L L A T I O N G U I D E
for the
SB-GM-SLVCRW/10W1v2
1999 - 2006 Chevrolet Silverado / GMC Sierra
Crew Cab
Thank you for choosing a JL Audio Stealthbox® for your automotive sound system.
With proper installation, your new vehicle-specific enclosed subwoofer system
will deliver years of listening pleasure.
If you choose to perform the installation yourself, it is absolutely vital that
the Stealthbox
instructions. Failure to mount the enclosure properly presents two problems:
1) The sub-bass performance will suffer due to the movement of the enclosure
caused by the force exerted by the woofer(s).
2) A loose enclosure presents a serious safety hazard in the event of a collision
or sudden deceleration.
®
be properly mounted to the vehicle according to these
S T E P 1
C
A
Lower both sides of the rear seating.
Remove the jack (A), jack tools (B) and the rear window
sill plate (C).
B
S T E P 2
With a Phillips screw driver, remove the two screws that
secure the passenger’s side c-pillar to the rear wall.
INSTALL ATIO N
D I F F I C UL T Y:
OU T
OF
55
ESTIMATED TIME:
23 H OURS
®
We strongly recommend that you have your new Stealthbox
JL Audio dealer. The installation professionals employed by your dealer have the necessary
tools and experience to disassemble and reassemble your vehicle properly. Also, keep in
mind that your warranty coverage extends to two (2) years if your system is installed
or approved by your authorized JL Audio dealer. If you prefer to perform your own
installation, please read this installation guide completely before beginning the process.
installed by your authorized
S T E P 3
Pull off the passenger’s side rear door sill plate.
Continued on Next Page
SB-GM-SLVCRW/10W1v2_INSTR_SKU#011173
S T E P 4
With a Phillips screw driver, remove the two screws that
secure the driver’s side c-pillar to the rear wall.
S T E P 5
Pull off the driver’s side rear door sill plate.
S T E P 6
Pop the c-pillars off the wall.
Stretch out the seat belts and carefully place both c-pillars
into the bed of the truck, so they are out of the way.
S T E P 8
Passenger's side:
Grab the black plastic box(vent column) and pull it towards
the front of the truck, until it clears the threaded stud(circled).
No mounting hardware secures this vent column to the
truck.
After the vent column is free from the threaded stud,
lift up and pull the vent column out.
The vent that is mounted to the rear wall, needs to stay in
place.
S T E P 9
Driver's side:
Grab the black plastic box(vent columns) and pull it towards
the front of the truck, until it clears the threaded stud(circled).
No mounting hardware secures this vent column to the
truck.
After the vent column is free from the threaded stud,
lift up and pull the vent column out.
The vent that is mounted to the rear wall, needs to stay in
place.
S T E P 1 0
If the truck is not equipped with the folding floor
extensions, go to STEP 13.
Remove the driver's side and the passenger's side folding
floor extensions from the mounting bar (circled).
Page 2 • JL Audio, Inc 2006
S T E P 7
With a T-45 socket and ratchet, remove both the passenger’s
side and the driver’s side seat belt retracting units.
Remove the rear wall carpeting.
S T E P 1 1
With cut off wheels or a saw, remove both folding floor
extension mounting bars from the rear seat mounting
supports.
If you are to use cut off wheels, protect the interior from
the sparks. Do not allow the sparks to shower upward. The
sparks will cause cosmetic damage to the headliner.
Continued on Next Page
SB-GM-SLVCRW/10W1v2_INSTR_SKU#011173
A
B
A
B
S T E P 1 2
With cut off wheels or a saw, remove the four (two are
circled) rear wall ledges. These support the folding floor
extensions.
Cut as flush to the rear wall as possible.
S T E P 1 3
Remove the rear wall carpeting.
HD Series Only
With cutting wheels or a saw, cut the threaded studs from
the rear wall(B). Cut as flush to the rear wall as possible.
1500 Series Only
With a set of pliers, work the threaded studs(B), until they
break free from the rear wall. With an Unibit®, enlarge these
holes to an 1/2-inch diameter.
S T E P 1 4
Spray the areas that have been cut with paint. This is to
prevent any rust from forming.
HD Series Trucks Only
S T E P 1 6
Place the pair of supplied wax square into place.
Passenger's side(pictured):
Place one of the supplied wax squares onto the lower left
corner of the same emboss metal that the threaded stud
was located on.
Driver's side(not pictured):
Place one of the supplied wax squares onto the lower right
corner of the same emboss metal that the threaded stud
was located on.
HD Series Trucks Only
S T E P 1 7
Thread the supplied pair of socket cup set screws into the
Stealthbox®, leaving 3/4-inch of thread exposed. Position
the Stealthbox® in the mounting location and press onto the
Stealthbox® firmly.
Remove the Stealthbox® carefully, leaving the wax squares
in place. The socket cup set screws will leave impressions in
the wax.
HD Series Trucks Only
S T E P 1 8
Note: Before drilling, make sure that you are not
going to be drilling into any gas lines, electrical wiring
or anything else that might cause a reduction in your
weekly pay. Always wear eye protection when drilling!
Page 2 • JL Audio, Inc 2006
S T E P 1 5
Mount the driver's and the passenger's seat belt
retracting units, c-pillars and rear door sill plates back into
place.
1500 Series Trucks, go to STEP 19.
With a drill and a 1/2-inch drill bit, drill through the
impression made in the wax square and through the cab
wall.
Remove the wax squares, as seen in the picture at left.
S T E P 1 9
Place the rear wall carpet back into place.
Feel for both drilled holes in the rear wall through the
carpeting. With an utility knife cut an X that is in line with
these drilled holes.
This is to allow the pair of socket cup set screws to pass
through the carpeting, once the Stealthbox® is in place.
Continued on Next Page
SB-GM-SLVCRW/10W1v2_INSTR_SKU#011173
STEALTHBOX WALL
VEHICLE SHEET METAL
THREADED INSERT
LOCK WASHER
FLAT WASHER
SOCKET CUP SET SCREW
HEX NUT
FENDER WASHER
JL AUDIO 250/1
monoblock subwoofer amplifier
Amplifier Input Section
Input Sens.
Input Voltage
Low/High
Left Ch.
Right Ch.
Signal Sensing
Off/On
Output Mode
Full-Range/Low-Pass/High-Pass
Left Ch.
Right Ch.
Amp LP Filter
Mode/Slope
Off/12dB/24dB
Filter Freq. (Hz)
Bass Control
LF Boost (dB)
Off/30Hz
Infrasonic Filter
+1
+13
+3
+7
+10
Preamp Output Section
+12VDC Ground Remote
S T E P 2 0
If an amplifier is to be mounted onto the
Stealthbox®.
Drill the mounting holes in the proper location. Apply
silicone to the four supplied Phillip head screws before
securing the amplif ier.
Run speaker wire from the amplifier location to the speaker
terminals. Attach the speaker wire to the terminals.
Double check the woofers for proper operation.
S T E P 2 1
1500 Series Trucks
Thread in the pair of socket cup set screws into the back of
the Stealthbox®, leaving 1-1/2" of the threads exposed.
HD Series Trucks
Back out the pair of socket cup set screws,
leaving 1-1/2" of the threads exposed.
S T E P 2 2
From inside the truck, position the Stealthbox® into the
mounting location. From the outside of the truck(between
the cab wall and the bed wall) place the supplied fender
washer, flat washer, lock washer and then nut onto each
exposed socket cup set screw. Use a long 3/8" open end
wrench or ratcheting box end to secure the mounting
hardware. If you have big hands and arms, time to get that
smaller friend of yours to help out.
Note: For added protection it is recommended that
you apply a bead of silicone between the vehicle and
the fender washer. After the bolt assembly is tightly
secured, it is also recommended that vehicle undercoating material is applied to the exposed assembly.
I N C L U D E D H A R D W A R E
(4) #10 x 3/4 Phillip pan head sheet metal screws (2) 3/8" - 16 x 2-1/4" Socket Cup Set Screw
(2) 3/8" Split Lock Washer (2) 3" x 3" Wax Squares
(2) 3/8" Flat Washer
(2) 3/8" x 1-1/4” Fender Washer
P O W E R R E C O M M E N D A T I O N
Enclosure Type: Acoustic Suspension (sealed)
Driver Type: 10W1v2-4
Nominal Impedance: 2 ohms mono
Continuous Power Handling: 300 Watts
P O W E R R E C O M M E N D A T I O N
JL Audio recommends using a high quality amplifier such as the JL Audio 250/1.
The diagram below shows the recommended crossover, infrasonic filter and equalizer settings for the 250/1 when
being used to power your Stealthbox®.
The JL Audio 250/1 is a very versatile audio component. Please consult the owner’s manual for even more
detailed information about installing and tuning this amplifier.
M I D / H I G H F R E Q U E N C Y D R I V E R F I T M E N T
A variety of JL Audio coaxial and component systems will fit in the factory speaker locations of you vehicle.
Front Speaker Size / Location:
6.5-inch / Front Doors
Fits JL Audio Models: TR650-CSi, TR650-CXi, C2-650, C2-650x, C3-650, C5-650, C5-650x & ZR650-CSi
Rear Speaker Size / Location: 6.5-inch / Rear Doors
Fits JL Audio Models: TR650-CXi, C2-650x, C3-650, C5-650x
Page 3 • JL Audio, Inc 2006
C O N G R A T U L A T I O N S
You have completed the installation for this model!
Please go back in the instructions in reverse to mount all
factory paneling back to it's original form.
Please refer to the Power Recommendation section for an
amplifier recommendation and basic set-up help.
All specifications are subject to change without notice. “JL Audio®” and the JL Audio logo, “Stealthbox” and the Stealthbox logo are registered
trademarks of JL Audio, Inc. “Ahead of the Curve” and its respective logo is a trademark of JL Audio, Inc.
JLA-SKU#011173; 09.21.2010 • Printed in USA • ©2006 JL Audio, Inc. • U.S. PATENTS: #5,734,734 #5,949,898 #6,118,884 #6,229,902
#6,243,479 #6,294,959 #6,501,844 #6,496,590 #6,441,685 #5,687,247 #6,219,431 #6,625,292 #D472,891 #D480,709 Other U.S. & Foreign
patents pending. For more detailed information please visit us online at www.jlaudio.com.
1 0 3 6 9 N O R T H C O M M E R C E P A R K W A Y • M I R A M A R , F L O R I D A • 3 3 0 2 5 • U S A
(954) 443-1100
w w w . j l a u d i o . c o m
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