Kicker SSIEXT14 Installation Manual

Subwoofer

Subwoofer Body

25A Fuse

SSIEXT14

Designed for

2014 and newer Chevrolet® Silverado & GM

2015 and newer Chevrolet® Silverado & GMC® Sierra Double-Cab 2500/3500 with base or premium radio

C® Sierra Double-Cab 1500 series with base or premium radio

Subwoofer Assembly

©2014 Stillwater Designs

SSIEXT14-A3-20141002

Harness

Power Harness

Wire Ties x 6

Wire Taps x 2

Adapter Harness

1

Installation

Fig. 1

Connect Power

Fig. 2

Fig. 3

Connect Ground

1. Disconnect negative battery cable from battery. (For diesel engines with dual batteries disconnect both
negative cables)

2. Snap loose the driver’s side front and rear threshold panel along the bottom of the door openings.

3. Remove the red battery terminal cover and then the power distribution cover next to the battery on the
passenger’s side.

4. Remove the fuse from the fuse holder on the amplifier and subwoofer power harnesses. Connect the ring
terminals of both harnesses to the power lug identified in figure 1 and torque to 9 +/- 1.5 Nm.

5. Route the power wire along the fire wall to the factory grommet on the driver’s side and secure with wire
ties.

6. Using a razor knife, make a cross shaped incision in the protrusion large rubber grommet and feed the
power wires straight through the hole on the cabin side of the grommet. Fig. 2

7. Install supplied connector on the end of the power harness inside the cabin. The black connector should
have a block out plug installed in one side to prevent the power wire from being installed into the wrong
position in the connector. Push the terminals in until they click and lock into place.

8. Connect the subwoofer power harness two-pin power connector to the subwoofer harness two-pin power
connector.

9. Connect the black ground wire of the subwoofer harness to the bolt next to the park brake pedal indicated
in Fig 3 Torque to 9 +/- 1.5 Nm

wire(s) to this lug

wire to this bolt.

2