JL Audio SB-GM-HUMR2-12W6v2, SB-GM-HUMRH2-12W6v2-DG, SB-GM-HUMRH2-12W6v2, SB-GM-HUMRH2-12W6v2-TN User Manual
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Stealthbox
®
INSTALLATION GUIDE
SB-GM-HUMR2/12W6v2, JL AUDIO, Inc 2004
Sheet SKU#011182 Revision8/5/2004 Page 1
for the
SB-GM-HUMRH2/12W6v2
(2003-Up Hummer H2)
This Stealthbox is a product which
requires professional installation skills and
tools.
Please read this installation guide thoroughly before beginning the project. It
will guide you step by step through the
installation. Several of the steps in this
process may require two people to
accomplish.
It is absolutely vital that the enclosure
be properly mounted to the vehicle
according to these 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) and
2) A loose enclosure presents a serious
safety hazard in the event of a collision
or sudden deceleration.
Please enjoy your JL Audio Stealthbox
responsibly.
STEP 1:
Remove the third “jump” seat.
*STEPS 2-4 are for the vehicle that are
equip with the internal spare tire.*
STEP 2:
Remove the spare tire
STEP 3:
Remove the jack and jack tools.
STEP 4:
With an 8mm socket, remove the
four bolts that secure the spare tire rack.
STEP 5:
By pulling up, remove the driver’s
side rear storage bucket.
STEP 6:
With a 10mm socket, flat head
screw driver, Phillips® head screw driver and a
T-15 socket.
Remove the driver’s side rear wheel well plastic trim.
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STEP 7: With the plastic trim out of the way,
remove the plastic inner wheel well.
STEP 11: Thread the supplied pair of socket ca
set screws into the enclosure, leaving 1/2” exposed.
Place the enclosure into place and firmly press
down.
Cont.
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STEP 8: Rest the plastic inner wheel well on the
rear tire. Keep the trim and all the mounting hardware together.
STEP 12: *CAUTION*
Before drilling, make sure that you are not going to
be drilling into any gas lines, brake lines, transmission
lines, electrical wiring, transfer case(4x4 vehicles) or
anything else that might cause a reduction in your
weekly pay. Always wear eye protection when
drilling.
With the use of a 1/2” drill bit and drill. Drill out the
floor at the impression on the wax square.
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STEP 13: Remove the wax square sheets from the
mounting area.
STEP 14: Run speaker wire to the enclosure location.
Also check the woofer for proper operation.
STEP 9: (Inside the vehicle) Cut and remove
the factory jute(sound deadening), from the
removed storage area, from STEP 5.
STEP 10: Place the supplied pair of wax sheets
into place.
Remember to remove the rear paper backing, from
the wax sheets.
SB-GM-HUMR2/12W6v2, JL AUDIO, Inc 2004
Sheet SKU#011182 Revision8/5/2004 Pag e 2
www.jlaudio.com
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