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INSTALLATION 
D I F F I C U L T Y :

I N S T A L L A T I O N   G U I D E

for the

SB-T-FJ/12W1v2

SB-T-FJ/12W1v2

2006 - Up 

2006 - Up   Toyota FJ Cruiser

Toyota FJ Cruiser  

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.

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.  Also, keep in mind that your warranty coverage 

extends to 1 year 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.

 

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 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

Remove all contents from cargo area. 

If your vehicle did not come equipped with the factory 
“woofer” system, go to STEP 7. 

Continued on Next Page 

S T E P   2

Remove the access panel from under the factory 
“woofer” system. 

Disconnect the white plug.

S T E P   3

Remove the two mounting bolts that secure the bottom of 
the factory “woofer” system.  

SB-T-FJ/12W1v2_INSTR_SKU#011226

SB-T-FJ/12W1v2_INSTR_SKU#011226

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