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I N S T A L L A T I O N   G U I D E 

for the 

SB-GM-TAHOCNSL/10W1v3 

SKU# 94278

2007 - 2013  Chevrolet / GMC Full-Size SUV’s & Trucks  

Suburban, Tahoe, Yukon/ XL, Yukon Denali/ XL Denali, Avalanche, 

Silverado, & Sierra/Denali

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

Using masking tape or similar, mark where the bottom 
edge of the front center console meets the carpet on the 
driver’s side.  

Continued on Next Page 

S T E P   2

Using masking tape or similar, mark where the bottom 
edge of the front center console meets the carpet on the 
passenger’s side. 

S T E P   3

Open the storage lid of the center console. Remove the four 
exposed screws. 

SB-GM-TAHOSCNSL/10W1v3_INSTR_SKU#011220 

INSTALLATION  

D I F F I C U L T Y :

3

5

ESTIMATED TIME:

      2-3 HOURS

OUT

   OF

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

Page 1: ... 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 t...

Page 2: ...gh the opening and disconnect the exposed wiring harness plug S T E P 4 Remove the cup holders from center console by pulling upwards Page 2 JL Audio Inc 2016 S T E P 9 Remove all plugs from the rear face plate S T E P 1 1 Remove the wiring harness that is secured to the driver s side of the center console S T E P 1 0 From the back side of the center console fold down the cup holders Remove two sc...

Page 3: ...g harness that is secured to the passenger side of the center console Page 3 JL Audio Inc 2016 S T E P 1 6 Cut out a pair of 2 inch x 2 inch squares out of the carpet Driver side to the center of the wax squares 4 inches from the driver s side tape line to the right 7 1 4 inches from the rear of the hump that runs the width of the transmission hump forward Passenger side to the center of the wax s...

Page 4: ... vehicles or anything else that might cause a reduction in your weekly pay Always wear eye protection when drilling With a drill and a 1 2 inch drill bit drill through the impression made in the wax square and into the vehicle s transmission tunnel Remove the wax squares and the tape S T E P 2 5 Place the Stealthbox into position by guiding the socket cup set screws through the holes drilled in St...

Page 5: ...16 Printed in USA 2016 JL Audio Inc For more detailed information please visit us online at www jlaudio com 954 443 1100 w w w j l audi o 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 I N C L U D E D H A R D W A R E 2 3 inch x 3 inch Wax Squares 2 3 8 16 x 2 1 4 inch Socket Cup Set Screw 2 3 8 inch x 1 1 4 inch Fender Washer 2 3 8 inch 16 Hex Nut...

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