JL Audio Stealthbox SB-GM-SLVEXT/12W3 Bedienungsanleitung

Sheet SKU#011140 Revision 10/5/01

SB-GM-TRKEXT99/12W3-D2, JL AUDIO, Inc 1999 • Page 1

SB-GM-SLVEXT/12W3

Stealthbox™

Fits 1999-UP Extended-Cab

Full-Size GM Pickup Trucks

Installation Guide:

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 instruc-

tions. 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 and 2) A

loose enclosure presents a serious safety hazard in the event of a collision or sudden deceleration.

STEP 1: Fold the rear bench seat up.

STEP 2: Run speaker wires to the rear of the cab under the

bench seat.

STEP 3: Peel the backing from the supplied square of wax and

place it on the floor of the cabin in the location shown in the

picture. This will be used to mark the location of the hole for

the mounting bolt. The wax square should be in the location of

the threaded insert in the enclosure when the enclosure is

placed in the proper location within the vehicle.

STEP 4: Thread the bolt into the threaded insert in the

Stealthbox. Tighten Fully.

STEP 5: Place the Stealthbox in its mounting location on the

floor of the cab. Press down on the enclosure firmly to make an

impression on the wax sheet with the head of the mounting bolt.

STEP 6: Remove the enclosure. There should be a clear mark

where the bolt pressed into the wax square.

STEP 7: Check under the truck for any loose brake lines, fuel

lines or other hazards before drilling.

CAUTION: Always wear eye protection when

drilling.

STEP 8: Drill a 1/2" diameter hole through the floor pan of the

truck using the indentation in the wax square as a guide. Make

sure you hold the drill straight and that the hole you are drilling

is centered on the wax mark.

STEP 9: Trim speaker wire to length and connect to the

enclosure's barrier strip observing correct polarity. Positive is

designated by the red wire on the barrier strip.

Sheet SKU#011140 Revision 10/5/01

STEP 10: Place the Stealthbox into its mounting location,

tucking the excess wire neatly out of sight. Turn on the

system and test the enclosure's operation before bolting it

down.

STEP 11: While one person holds the Stealthbox in place

inside the truck, bolt the enclosure into place from underneath

the truck, using the supplied hardware. Before tightening the

bolt, apply a bead of silicone sealant between the flat washer

and the vehicle's floor pan. Then tighten the enclosure fully.

See diagram below:

IMPORTANT!!!

Once the bolts are tightened, spray undercoating onto the bolt heads to prevent rust, leaks and

loosening of the bolts over time. Failure to do so may result in severe corrosion and may present a

serious safety hazard.

SB-GM-TRKEXT99/12W3-D2, JL AUDIO, Inc 1999 • Page 2

This completes the installation.

Specifications:

Enclosure Type: Acoustic Suspension (Sealed)

Driver Type: JL AUDIO 12W3-D2 Subwoofer

Cont. Power Handling: 250 Watts

Nominal Impedance: 4Ω

Supplied Hardware:

(1) 4" sheet wax square

(1) 3/8" x 1.25" Bolt

(1) Flat washer

(1) Split lock washer

10369 N. Commerce Pkwy, Miramar, Florida 33025-3921 Voice: (954) 443-1100 Fax: (954) 443-1111

Completed Installation

3/8" Bolt

LockWasher

Flat Washer Vehicle's Sheet M

Enclosure Wall (fiberglass) Threaded Insert

Molded into

Enclosure

Bead of Silicone Sealant

Dieses Handbuch passt für folgende Modelle

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