JL Audio Stealthbox SB-GM-EQNX/10W1v3 Installation Manual Download Page 2

Continued on Next Page 

SB-GM-EQNX/10W1v3/BK  INSTR_SKU# 011318

S T E P   7

Remove the two nuts holding the top of the enclosure in 
place.  Continue by removing the two nuts holding the 
bottom of the enclosure in place.  Disconnect the sub wiring 
and remove the factory sub enclosure.  Retain all four nuts 
for the installation of the Stealthbox®.

S T E P   6

With the side panel out of the vehicle, the factory sub 
enclosure can now be removed.

S T E P   5

Pictured is the weatherstripping removed from the side 
panel.  Starting here, begin unclipping the side panel and 
continue toward the rear of the vehicle, and remove the 
panel.

S T E P   4

Open the rear passenger side door.  Pull up the 
weatherstripping to allow access to the sill panel and side 
panel.  Remove the sill panel by pulling up on the panel to 
release the clips.

Page 2 • JL Audio, Inc 2017

S T E P   9

Attach the two Upper Brackets to the Stealthbox® as shown 
using a 1/4” Flat Washer, 1/4” Lock Washer, and 1/4 - 20 x 
1” Bolt on each.  Hand tighten to allow the brackets to be 
adjusted later. 

S T E P   1 1

Set the Stealthbox® in place by sliding the bottom of the 
enclosure behind the Lower Brackets, and aligning the Upper 
Brackets with the upper threaded studs.  Hand tighten the 
factory nuts on the threaded studs, and mark the location of 
the Upper Brackets on the top of the enclosure.  Firmly press 
the enclosure toward the side of the vehicle, slide the Lower 
Brackets into place, and mark the location of the Lower 
Brackets on the floor of the vehicle.

Remove the Stealthbox®, align the Upper Brackets with the 
marks on the enclosure, and firmly tighten.  Align the Lower 
Brackets with the marks in the vehicle, and firmly tighten.

S T E P   1 0

Attach the two Lower Brackets to the threaded studs using 
the factory nuts, as shown.  The smaller, angled bracket goes 
on the stud closest to the rear of the vehicle.  Hand tighten 
to allow the brackets to be adjusted later.

S T E P   8

Pictured without the factory sub enclosure are the threaded 
studs that held the bottom of the enclosure in place.  It is not 
necessary to remove the bracket for the foam floor support.

Summary of Contents for Stealthbox SB-GM-EQNX/10W1v3

Page 1: ... read this installation guide completely before beginning the process If you choose to perform the installation yourself it is absolutely vital that the Stealthbox 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 ...

Page 2: ... and 1 4 20 x 1 Bolt on each Hand tighten to allow the brackets to be adjusted later S T E P 1 1 Set the Stealthbox in place by sliding the bottom of the enclosure behind the Lower Brackets and aligning the Upper Brackets with the upper threaded studs Hand tighten the factory nuts on the threaded studs and mark the location of the Upper Brackets on the top of the enclosure Firmly press the enclosu...

Page 3: ...ock Washer and a 1 4 20 x 1 Bolt on each and firmly tighten S T E P 1 2 Attach the speaker wire to the Stealthbox set the enclosure back in place and firmly tighten the factory nuts on the upper threaded studs Page 3 JL Audio Inc 2017 S T E P 1 6 C O N G R A T U L A T I O N S You have completed the installation for this model Enjoy your new Stealthbox Please refer to the Power Recommendation secti...

Page 4: ...fier other kits are available should you be using more than one amplifier Signal wire such as the JL Audio Premium Audio Interconnect Cables should be used that will provide signal for both channels of the amplifier JL Audio recommends using 12AWG speaker wire for subwoofers such as our XC BCS12 25 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 componen...

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