JL Audio SB-GM-CLREXT/10W3v3/DG User Manual

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STEP 7: With the hardware from  STEP 4.
From under neath, attach the Stealthbox to the
bracket.

Secure tightly using an open end wrench.

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 any-
thing 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 brack-
et as the drilling guide, as pictured.

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STEP 8: With the supplied hardware, attach the
jack bracket to the front of the Stealthbox.

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 3/8”-16 x 2 bolt.

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 3/8”-16 nut onto the protrud-
ing bolt.

Secure tightly.

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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.

STEP 9: From under the truck, remove the heat
shield.

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