MTX THUNDERFORM Owner's Manual page 5

Step 6 - Using furnished wiring harness route 10ga red power wire starting at pre-amp location.
Route wire under rear seat on driver side, over to threshold and under carpet to the front of vehicle.
Step 7 - Open hood.
Step 8 - Drill a hole through the firewall. Locate a spot low on the firewall on the passenger side. You
should always look to find a clear path. Drill a hole from inside of the vehicle into engine compartment
and insert grommet. You may also find a pre-existing, unused rubber grommet in this location that you
can pass the wire through. Note: To avoid any damage to parts inside engine compartment, drill from
inside of vehicle using a short bit.
Firewall
Drill Hole for
Grommet
Battery
Step 9 - Route 10ga red power wire through grommet into the engine compartment.
Step 10 - Route 10ga red power wire through engine compartment safely away from any moving or
hot parts that could damage the wire.
Step 11 - Cut 10ga red power wire to length, connect the supplied fuse holder from the wire kit to the
end of the wire.
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