MTX Audio THUNDERFORM User Manual

Page 2

READ ALL DIRECTIONS CAREFULLY BEFORE BEGINNING
MOUNTING LOCATION: The enclosure mounts behind the driver’s seat
on Chevy S10 Regular Cab Trucks, GMC Sonoma and Isuzu Hombre.
TOOLS REQUIRED FOR INSTALLATION:

Powered Screwdriver

#2 Phillips Head Bit

Wire Cutters

5/16” Wrench

Terminal Crimpers

INSTALLATION: Follow the steps below

1. Place enclosure behind seat, with woofer firing forward (do not mount

yet).

2. If externally amplified make speaker connections to the enclosure

from the amplifier; loosen terminal knobs (a 13-mm nut driver can be
used). Connect speaker wires from amplifier to enclosure, positive to red
terminal knob and negative to black terminal knob. Refer to Step 25 for
mounting directions.
AMPLIFIED THUNDERFORM
Routing Power Wire; we recommend a connection directly to the
battery.

3. Remove driver side threshold trim; pull up on trim, it will remove eas-

ily.

4. Using furnished wiring harness route 10ga red power wire starting at

pre-amp location. Route wire on driver's side, over to threshold and under

For technical assistance call 1-800-CALL MTX.

These instructions are guidelines only and in no way are intended to replace a
professional installation. As always before screwing or drilling check to make sure
you will not damage any wires or hoses or cause damage to the vehicle.

Warning: Batteries normally produce explosive gases which can cause personal

Warning:

Warning:
injury. Therefore, do not allow flames, sparks or lighted substances to come near
the battery. When charging or working near a battery, always shield your face and
protect your eyes. Always provide ventilation.

Conventional Wiring of Aftermarket Radio

_ _

20 Amp Fuse

Low Level Signal

Turn On Lead

INPUT

X-

Optional EBC

(Electronic Bass Control)