Harman JBL Fuse Guide D'installation page 5

NOTE: Before drilling pilot holes for the mounting screws, check beneath the mounting surface to ensure you will not
puncture fuel lines, brake lines, or any vehicle wires.
Wiring the subwoofers
Connect the speaker outputs of your power amplifier to the spring terminals of the Fuse enclosures using 14-gauge speaker
wire (not included).
NOTE: Be sure to observe proper wire polarity.
To power amplifier
EN
3