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Note:  Subwoofer Input Connection is the same for Premium and Non-Premium factory audio systems. 
 

10. Locate the brown with blue stripe wire and blue wire that are twisted together in the factory harness near 

the parking brake pedal and install one of the blue self-stripping connectors onto each wire. Fig. 4 and 5 

11. Connect the green wire of the adaptor harness to the brown/blue stripe wire of the vehicle harness and the 

brown wire of the adaptor harness to the blue wire of the vehicle harness.  Connect the two pin connector 
of the adapter harness to the two pin connector of the subwoofer harness. Fig. 5 

12. Continue routing the subwoofer harness down the driver’s side of the vehicle to the back wall.  Open the 

cover of the wire tray along the threshold of the door, install wire and replace the tray cover. 

13. Route the subwoofer harness under the carpet along the back 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. 

 

 
 
 
 
 
 
 
 
 
 
 
 

 

Subwoofer Mounting 

 
14. Remove the two nuts indicated in Fig. 6 
15. Install the enclosure over the studs.  

 

NOTE: For trucks with split rear bench seat, install the two supplied washers over the stud closest 
to the passenger’s side. 

 

16. Connect the subwoofer wiring to the subwoofer harness and set the enclosure into place over the seat 

studs. Fig. 7 

 
 
 
 
 
 
 
 
 
 
 
 
 

17. Reinstall the rear seat nuts and torque to 109 Nm (80 ft/lb) 
 
 
 
 
 
 

Fig. 5 

Fig. 4 

Fig. 6 

Fig. 7 

 

 

 

 

Summary of Contents for SSIEXT14

Page 1: ... Subwoofer Body Harness 25A Fuse Wire Ties x 6 Wire Taps x 2 Adapter Harness 1 SSIEXT14 Designed for 2014 and newer Chevrolet Silverado GMC Sierra Double Cab 1500 series with base or premium radio 2015 and newer Chevrolet Silverado GMC Sierra Double Cab 2500 3500 with base or premium radio ...

Page 2: ...e 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 instal...

Page 3: ...f the vehicle to the back wall Open the cover of the wire tray along the threshold of the door install wire and replace the tray cover 13 Route the subwoofer harness under the carpet along the back 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 ...

Page 4: ...in case there is no low frequency audio in the initial sound check Symptom Possible Cause Solution No Subwoofer Output Fuse not installed in inline fuse holder on subwoofer and or amp harness Install fuse into fuse holder Refer to instructions for correct placement Low battery voltage Recharge the battery Negative battery cable not connected Reconnect negative battery cable Power wire connector no...

Page 5: ...f you continue to experience problems after troubleshooting please contact KICKER Technical Support at 800 256 0808 ext 6009 or support kicker com P O Box 459 Stillwater Oklahoma 74076 USA 405 624 8510 5 ...

Page 6: ...6 ...

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