2
1. Disconnect negative battery cable.
2. Remove the cover of the battery junction box. Fig. 1
3. Make sure supplied fuse is not installed in fuse holder and connect the subwoofer power wire to
the stud pictured in figure 2. Torque to 4.7Nm (42in-lb)
Route the subwoofer power wire toward the passenger side firewall and secure with supplied wire
ties.
2019-2023 Trucks
4. Find the rubber grommet behind the battery and cut the end of the accessory tube. Feed the
power wires through the grommet tube into the cabin. Fig. 3 Continue to step 9.
Connect one power
harness to each
terminal
Fig. 2 Fig. 1
Fig. 3