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
RE
M
INPUT
RI
G
H
T
LE
FT
LE
FT
G
AI
G
AI
N
X-
O
VE
R
X-
O
VE
R
ST
AT
U
S
Optional EBC
(Electronic Bass Control)
1
6