JL Audio Stealthbox SB-GM-CLREXT-10W3v3-TN User Manual

Stealthbox®
I N S T A L L A T I O N G U I D E for the
GMC Canyon Extended Cab)
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
Please enjoy your JL Audio Stealthbox responsibly.
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STEP 1: Remove all contents from rear of | STEP 2: Remove the plastic jack cover and |
| STEP 3: Remove the (1) tire stops and with | ||
truck. | jack from the bracket. |
| a 10mm socket, (2&3)unbolt the jack bracket. |
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STEP 4: Unbolt the bracket that is already attached to the Stealthbox.
Set mounting hardware to the side.This will be used in later steps.
STEP 5: With the supplied hardware, attach the bracket to the rear wall.
Place a 1/4” lock wash and a 1/4” flat washer onto each
Place the bolts through the bracket and slide one 1”Lx1”ODx3/8”ID spacer onto each bolt.
Line up the bolts to the factory threads and secure tightly.
STEP 6: Attach speaker wire to the Stealthbox terminal and check the woofer for proper operation.
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w w w . j l a u d i o . c o m | SB - GM - CLREXT/10W3v2, JL AUDIO, Inc 2005 | Pag e 1 | Sheet SKU#011195 Revision 5/19/2005 |

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STEP 7: With the hardware fromSTEP 4. From under neath, attach the Stealthbox to the bracket.
Secure tightly using an open end wrench.
STEP 8: With the supplied hardware, attach the jack bracket to the front of the Stealthbox.
STEP10: *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 jack bracket and floor. Use the hole of the jack bracket as the drilling guide, as pictured.
Tap Bolt
LOCK WASHER
FLAT WASHER
VEHICLE SHEET METAL
FENDER WASHER
FLAT WASHER
HEX NUT
STEP 11: Attache the jack bracket to the floor, using the supplied hardware.
Place a 3/8” lock washer and 3/8’ flat washer onto the
From inside the truck, slide the bolt through the hole of the jack bracket and floor.
From under the truck, place the 3/8” fender washer, 3/8” flat washer and
Secure tightly.
w w w . j l a u d i o . c o m | SB - GM - CLREXT/10W3v2, JL AUDIO, Inc 2005 | Pag e 2 |
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STEP 9: From under the truck, remove the heat shield.
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STEP 12: On the back side of the plastic jack cover, there are two plastic guides.
Grind these guides off.
The picture above shows the guides already ground off.
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Sheet SKU#011195 Revision 5/19/2005

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STEP 13: Place a supplied 3/4”Lx3/4”ODx3/8”ID | STEP 14: On the back side of the plastic jack | STEP 15: Place the tire stops and jack back onto |
spacer onto the thumb screw. | cover. | the jack bracket. |
Insert the thumb screw through the front of the | Place the remaining pair of 3/4”Lx3/4”OD,3/8”ID | Place the plastic jack cover over the jack assembly |
plastic jack cover. | spacers onto the thumb screw. | and secure with the thumb screw. |
CONGRATULATIONS!
INSTALL COMPLETE.
Included Hardware:
4) 1/4” Flat Washer
4) 1/4” Split Lock Washer
2)
2)#6 x
1)3/8” Split Lock Washer
2)3/8” Flat Washer
1)3/8” Fender Washer
1)
1)
3)3/4”Lx3/4”ODx3/8”ID Spacers
2)1”L x1”OD x3/8”ID Spacers
Difficulty Of Installation:
Specifications:
Enclosure Type: Sealed
Driver Type:
Nominal Impedance: 4Ω
Cont. Power Handling: 300 Watts
JL Audio recommends using a high quality amplifier such as the JL Audio 250/1. The diagram below shows the recommended crossover, infrasonic filter and equalizer settings for the 250/1 when being used to power your Stealthbox®.
Mid/High Frequency Driver Information:
Front Location Driver Size:
6.5”
Applicable JL Audio Products:
TR,VR,XR &
Rear Location Driver Size:
+12VDC Ground Remote | Preamp Output Section | Bass Control | Amp LP Filter | Amplifier Input Section | |||
| Output Mode | Infrasonic Filter | Mode/Slope | Input Voltage | Input Sens. Signal Sensing | ||
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| Off/30Hz | Off/12dB/24dB | Low/High | Off/On | ||
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JL AUDIO 250/1 |
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monoblock subwoofer amplifier |
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| Left Ch. | Right Ch. | LF Boost (dB) | Filter Freq. (Hz) | Left Ch. | Right Ch. |
The JL Audio 250/1 is a very versatile audio component. Please consult the owner’s manual for detailed information about installing and tuning this amplifier.
6.5”
Applicable JL Audio Products:
TR,VT &
| 10369 N. Commerce Pkwy, Miramar, Florida | Phone: 954.443.1100 Fax: 954.443.1111 | |
w w w . j l a u d i o . c o m | SB - GM - CLREXT/10W3v2, JL AUDIO, Inc 2005 | Pag e 3 | Sheet SKU#011195 Revision 5/19/2005 |
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