JL Audio SB-POL-RNGR-SYS User Manual
SB-POL-RNGR/SYS INSTR_SKU# 011278
I N S T A L L A T I O N G U I D E
for the
SB-POL-RNGR/SYS
SKU#94425
2004-2008
Thank you for choosing a JL Audio Stealthbox® for your all-terrain vehicle. With proper installation,
your new vehicle-specific enclosed speaker system will deliver years of listening pleasure.
If you choose to perform the installation yourself, it is absolutely vital that the
enclosures 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).
2) A loose enclosure presents a serious safety hazard in the event of a collision
or sudden deceleration.
S T E P 1
Many of the following steps will be repeated on both
sides of the vehicle.
Remove the five screws that secure each of the kick
panels.
(see circled areas, there are also two inside)
S T E P 2
The kick panels can be removed by pulling up at the bottom
and towards the rear, hinging the panel backwards and out.
INSTALLATION
D I F F I C UL T Y:
OU T
OF
35
ESTIMATED TIME:
23 HOURS
We strongly recommend that you have your new Stealthbox® installed by your authorized JL Audio
dealer. The installation professionals employed by your dealer have the necessary tools and experience
to disassemble and reassemble your vehicle properly. If you prefer to perform your own installation,
please read this installation guide completely
before beginning the process.
S T E P 3
Before test fitting the subwoofer enclosure, make yourself
familiar with the location of the threaded insert on the top of
the enclosure.
From the passengers side, test fit the subwoofer enclosure
into the dash with the raised part of the enclosure going up
and, behind the dash cross-dash bar as shown.
Now is a good time to test the performance of the
Subwoofer.
Continued on Next Page
SB-POL-RNGR/SYS INSTR_SKU# 011278
THREADED INSERT
1/2”ALUMINUM SPACER
LOCK WASHER
FLAT WASHER
STEALTHBOX WALL
HEX BOLT
CROSS-DASH CHANNEL
Relay Screw
Enlarged Hole
S T E P 4
Looking from under the hood take note of the location of
the relay that is screwed to the cross channel. inside that
channel on the bottom there is a hole that should line up
with the threaded insert in the top of the Stealthbox®, this
hole needs to be enlarged (see DETAILS below)
D E T A I L
This DETAIL at left, shows a view looking down into the
cross-dash channel, note the relation of the Relay holding
screw and the enlarged hole. Make sure that the threaded
insert lines up with the correct hole so that you will only
need to drill one hole. There will be a 3/8-16x 1 1/2” Hex
Head Bolt, Split Lock Washer and, 3/8x 1 1/4”Fender Washer
inserted into this channel and, through the hole then
through the 1/2” Aluminum Spacer and threaded into the
top of the Stealthbox® (see DETAIL illustration at far right).
D E T A I L
Enlarge the hole in the cross-dash channel by drilling from
below (there is no access from above) again, ensure that you
will be enlarging the correct hole in the channel!
*CAUTION*
Before drilling, always make sure that you are not
going to be drilling into any gas lines, brake lines,
transmission lines, electrical wiring, exhaust systems
or anything else that might cause a reduction in
your weekly pay. Always wear eye protection when
drilling.
S T E P 6
Install the included Custom Aluminum Bracket on the drivers
side of the subwoofer enclosure as shown using the supplied
3/8-16x 1” Hex Head Bolt, Split Lock Washer and Flat Washer,
these fasteners should be snug but, do not need to be tight
at this time. Install a length of wire that will reach from the
mounted enclosure to the amplifier location.
D E T A I l
This is how the hardware should be arranged in the channel
then, threaded into the top of the enclosure. (as mentioned
at far left)
S T E P 7
Sliding the enclosure back into place, make sure that the
wire is not pinched or damaged and align the top threaded
insert with the hole enlarged in STEP 4. Start the hardware
as mentioned before into the threaded insert. Also align the
Custom Aluminum Bracket and the Square U-Bolt and start
a Flat Washer, Split Lock Washer and Hex Nut on each leg of
the Square U-Bolt.
Page 2 • JL Audio, Inc 2008
S T E P 5
Set the Square U-Bolt in place over the bottom cross-dash
bar, slide it towards the drivers side of the vehicle.
S T E P 8
Once all of the hardware is started, tighten all of the fasteners, rotating from each nut to another like you were changing a tire.
Continued on Next Page
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