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PSIEXT14
Subwoofer
Subwoofer Body
25A Fuse
Washers x 2
Designed for
2014 and newer Chevrolet® Silverado & GMC® Sierra Double-Cab 1500 series with base radio
2015 and newer Chevrolet® Silverado & GMC® Sierra Double-Cab 2500/3500 with base radio
(Not compatible with Bose® Audio)
(Not compatible with seven-inch color touchsceen Mylink® IOB radio on 2016 and newer)
Subwoofer Assembly
Harness
Power Harness
Wire Ties x 6
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25A Fuse
Amplifier Assembly
Amplifier Body
Amplifier Power
Harness
Wire Ties x 6
Harness
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Installation
Fig. 1
Fig. 2
Fig. 3
Fig. 4
sconnect negative battery cable from battery. (For diesel engines with dual batteries disconnect bot
1. Di
ative cables)
neg
2. Pry loose the radio bezel. Fig. 1
3. Remove the four screws securing the radio and HVAC controls. HVAC control wiring does not need to
di
sconnected. Fig. 2
oute the amplifier harness from the radio opening down to the driver’s kick panel area. The whit
4. R
c
onnectors will connect to the amplifier.
5. Disconnect the radio speaker/power connector and connect it to the amplifier harness. Tuck the connector
out of the way. Fig. 3
6. Connect the remaining amplifier harness connector to the radio. Make sure the connector is fully seated.
Fig. 4
h
be
e
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Wire Routing
Fig. 5
Connect Power
Fig. 6
Fig. 7
Connect Ground
7. Snap loose the driver’s side front and rear threshold panel along the bottom of the door openings.
8. Remove the red battery terminal cover and then the power distribution cover next to the battery on the
passenger’s side.
9. 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 5 and torque to 9 +/- 1.5 Nm.
10. Route the power wire along the fire wall to the factory grommet on the driver’s side and secure with wire
ties.
11. 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. 6
wire(s) to this lug
12. Install supplied connectors on the end of the power harnesses inside the cabin. It does not matter what
order the three wires are in on the white three pin connector but the terminal can only be inserted one way.
If the terminal will not go into the connector, simply turn it 180 degrees and try again. 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.
13. Connect the amplifier power harness three-pin connector to the amplifier harness three-pin connector.
14. Connect the subwoofer power harness two-pin connector to the subwoofer harness two-pin connector.
15. Connect the black ground wire of both the amplifier and
subwoofer harness to the bolt next to the park brake pedal
indicated in Fig 7 Torque to 9 +/- 1. 5 Nm
16. Continue routing the subwoofer harness down the driver’s side of
the vehicle to the back wall. Open the c over of the wire tray
along the threshold of the door, install wire and replace the tray
cover.
17. Route the subwoofer harness under the carpet along the back
wire(s) to this bolt.
wall toward the passenger’s side of the cabin. Once the harness
is routed to the passenger’s side. Allow the remaining length of
harness to lay on top of the carpet and exit from beneath the seat
between the jack and the center seatbelt receptacle.
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Subwoofer Mounting
Fig. 8
Fig. 9
Fig. 10
Fig. 11
emove the two nuts indicated in Fig. 8.
18. R
19. Install the enclosure over the studs.
OTE: For trucks with split rear bench seat, install the two supplied washers over the stud closest
N
to the passenger’s side.
20. C
onnect the subwoofer wiring to the subwoofer harness and set the enclosure into place over the seat
studs. Fig. 9
21. Rei
A
22. R
nstall the rear seat nuts and torque to 109 Nm (80 ft/lb)
mplifier Mounting
emove the lower left and lower right nut securing the junction box behind the park brake pedal.
23. Connect the amplifier harness to the amplifier. Fig. 10
24. Slide the amplifier/bracket assembly over the junction box studs and on top of the junction box and reinstall
the nuts. Fig. 11 Torque to 17 Nm
25. I
nstall the fuses into the fuse holders.
26. Reinstall all previously removed parts in reverse order
27. Reconnect the negative battery cable(s). Torque to 17 Nm
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Troubleshooting the Kicker Integrated Systems
Symptom
Possible Cause
Solution
Fuse not installed in inline fuse
amplifier power harness
Install fuse into fuse holder.
placement
Low battery voltage
Recharge the battery
Negative battery cable not
connected
Reconnect negative battery
cable
Connect power wire to body
connection
Check ground wire with voltmeter
to insure it is a good ground
Set balance and fader control to
stand-alone subwoofer kit)
No low frequency information in
music
Securely fasten both of the
Check for loose connectors.
Refer to owner’s manual for radio
fuse location and value
Low battery voltage
Recharge the battery
Install fuse into fuse holder.
placement
Check ground wire with voltmeter
to insure it is a good ground
Low battery voltage
Recharge the battery
f you experience a problem once the subwoofer or amplifier are installed use this guide to locate the trouble.
I
The radio is working, but the Subwoofer is not working:
• Check the battery voltage to make sure it is not discharged below 11 volts.
• Check the negative battery cable to see if it has been securely tightened back on the battery.
• Check the inline fuse located near the battery to make sure it is plugged in completely, and not blown.
• Check the inline +12 volt power connector near the firewall to make sure it is plugged in securely.
• Check the inline connectors near the subwoofer enclosure to make sure they are plugged securely.
• Check the ground wire connection to make sure it is tightly secured to the proper ground in the vehicle.
• Check the audio input signal connection to make sure it is secure and connected to the proper wiring.
• Test with different music in case there is no low frequency audio in the initial sound check.
There is a problem with the multi-channel stereo amplifier:
• Check the battery voltage to make sure it is not discharged below 11 volts.
• Check the negative battery cable to see if it has been securely tightened back on the battery.
• Check the inline fuse located near the battery to see if it is plugged in completely and not blown.
• Check the multi-pin connectors at the back of the radio and at the amplifier chassis to make sure they ar
ugged all the way in.
pl
• Check the ground wire connection to make sure it is tightly secured to the proper ground in the vehicle.
e
No Subwoofer Output
Radio Not Coming On
Radio Comes On, But No
Sound From Any Speakers
holder on subwoofer and/or
Power wire connector not
connected to body harness
Ground wire not grounded properly
Balance and/or fader controls not
set to neutral position
Subwoofer harness not
properly/completely connected to
subwoofer
Blown radio fuse
Fuse not installed in inline fuse
holder on amplifier harness
Ground wire not grounded properly
Refer to instructions for correct
harness. Check for loose
center settings. (only affects
Test with several different songs
connectors on the subwoofer
harness to the subwoofer.
Refer to instructions for correct
On our website you can discover more about Subwoofers & Boxes.
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