9.
Route 10ga red power wire through engine compartment safely away
from any moving or hot parts that could damage the wire.
10.
Cut 10ga red power wire to length, connect the supplied fuse holder
from the wire kit to the end of the wire.
11.
Remove 20amp fuse from MTX fuse holder. Connect furnished ring
terminal to positive side of battery. Remove 10mm bolt from factory bat-
tery terminal. Pass bolt through factory battery terminal, then ring termi-
nal, and into the other side of factory battery terminal and retighten bolt.
12.
Ground amplifier to chassis of vehicle; connect the terminal provided
to the 10ga black wire from furnished wiring harness. A good ground is
as important as the power connection. The ground should be as short as
possible and the contact point should be free of paint and debris.
SPEAKER WIRES
13.
Tap into the rear speakers in the trunk with the supplied RCA High
Tap into the rear speakers in the trunk
Tap into the rear speakers in the trunk
Level input wires. Wiring colors for the rear speakers are left side, blue/
yellow (positive), gray/white (negative). Right side, red/yellow(positive),
brown/white(negative). Tap into wires and route to pre-amp of enclo-
sure.
Although, MTX has made every effort to assure proper wiring colors,
MTX is not responsible for any changes made by the vehicle manufac-
turer which sometime occur. If wiring colors do not match then physical
verification is required.
CONNECTION TO ENCLOSURE
14.
Connect speaker wire RCA's to the inputs of pre-amp.
Note: Patented BTL turn on circuitry- amplifier senses DC offset provided by “high
powered” or BTL type head units. This feature turns the amplifier on automatically
if you are using high level inputs.
_
+
20 Amp Fuse
20
A
20
A
PW
R
G
N
D
RE
M
EB
C
INPUT
RI
G
H
T
LE
FT
G
AI
N
X-
O
VE
R
ST
AT
U
S
G
AI
STRIPED
SOLID
SOLID
Blue/Yell
Blue/Y
Blue/Y ow (+)
Grey/White (-)
Brown/White (-)
Red/Yello
Red/Y
Red/Y
w (+
w (+))
Optional EBC
(Electronic Bass Control
15.
Plug power harness into amplifier pre-amp.
20
A
PW
R
G
N
D
RE
M
EB
C
INPUT
RI
G
H
T
LE
FT
G
AI
N
X-
O
VE
R
ST
AT
U
S
16.
Replace 20amp fuse under hood.
17.
When amp turns on, LED will display red during diagnostic mode,
and then green, signaling amp is on and functioning. Amp will only turn
on when radio is on.
18.
Adjust gain and crossover.
Setting Gain
Turn gain knob on Thunderform pre amp to minimum, counter clockwise.
Play a favorite tape or compact disc that contains consistent music and
Play a favorite tape or compact disc that contains consistent music and
3
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