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MTX F-150 SUPERCREW Instructions page 3

Vehicle specific subwoofer enclosure

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18. Reinstall threshold trim. Locate and align holes in vehicle with pins
on trim.
19. Bolt seat bracket legs back down and put plastic bolt covers back
on.
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:
Warning: Batteries normally produce explosive gases which can cause
Warning: Batteries normally produce explosive gases which can cause
personal injury. Therefore, do not allow flames, sparks or lighted sub-
stances to come near the battery. When charging or working near a
battery, always shield your face and protect your eyes. Always provide
ventilation
5
4. Route 10ga red power wire from furnished wiring harness starting at
pre-amp location. Route wire under carpet on passenger's side, over to
threshold along with factory wiring to the front of vehicle.
5. Open hood.
6. Drill a hole through the firewall. Locate a spot low on the firewall on the
passenger's side. You should always look to find a clear path. Drill a hole
from inside of the vehicle into engine compartment and insert grommet.
Drill Hole
for Grommet
Battery
Note: To avoid any damage to parts inside engine compartment,
drill from inside of vehicle using a short bit.
7. Route 10ga red power wire through a grommet into the engine com-
partment.
8. Route 10ga red power wire through engine compartment safely away
from any moving or hot parts that could damage the wire.
9. Cut 10ga red power wire to length, connect the supplied fuse holder
from the wire kit to the end of the wire.
10. Remove 20amp fuse from MTX fuse holder. Connect furnished ring
terminal to positive side of battery. Remove 5/16" bolt from factory battery
terminal. Pass bolt through factory battery terminal, then ring terminal,
and into the other side of factory battery terminal and retighten bolt.
Firewall
2

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