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Power Wire Routing

1. Disconnect the negative battery cable from the battery.
2. Using a razor knife make a cross shaped incision in the large rubber grommet from inside the vehicle and 
feed the power wire from the engine compartment to the cabin. Using a fi sh tape wire is recommended. 
Fig. 1

NOTE: If you are installing the optional amplifi er system, install the power wire for it at this time.

3. Pull the wire(s) through the grommet until the sheathing touches the grommet.
4. Remove the fuse box cover under the hood. Remove the fuse from the fuse holder on the subwoofer 
power wire and connect the power wire to the accessory lug. Torque to 9 +/- 1.5 Nm. Make sure that the 
wires exit on the side closest to the battery. Fig. 2

5. Install the connecter on the end of the power harness inside the cabin.  The black connecter should have 
a block out plug installed in one side to prevent the power wire from being inserted into the wrong position in 
the connecter.

NOTE: If you are installing the optional amplifi er system, it does not matter what order the three wires are 
installed on the three-pin connecter, but the terminals can only be inserted one way. If the terminal will not 
go into the connecter, simply turn it 180 degrees and try again. Push the terminals in until they click and lock 
into place.

Body Harness Routing

6. Remove the driver’s side kick/threshold panel by loosening the 
retainer at the top and then pulling loose. Fig. 3
7. Remove the lower portion of the rear seat by pulling straight up 
on the front edge.
8. Snap loose the rear drivers side threshold panel located along 
the bottom of the door opening. 
9. Snap loose the lower portion of the B pillar post cover.

  Cut grommet here. 

Fig. 1 

 

Fig. 2 

Wires should exit in 

direction of arrow 

 

Retainer – Rotate 

counter-clockwise 

Fig. 3 

Remember to place your warranty card in the glove box for future use.

Summary of Contents for SSON12

Page 1: ...1 SSON12 Designed for 2012 and newer Chevrolet Sonic vehicles 2012 Stillwater Designs SSON12 A2 20121010 ...

Page 2: ...2 Subwoofer Assembly Subwoofer Power Harness 25A Fuse Wire Ties x6 Foam Strip Wire Taps x2 Adapter Harness Subwoofer Body Harness ...

Page 3: ...ve a block out plug installed in one side to prevent the power wire from being inserted into the wrong position in the connecter NOTE If you are installing the optional amplifier system it does not matter what order the three wires are installed on the three pin connecter but the terminals can only be inserted one way If the terminal will not go into the connecter simply turn it 180 degrees and tr...

Page 4: ... the subwoofer harness to the corresponding connecter of the amplifier harness at this time Subwoofer Input Connection without Optional Amplifier 15 Connect the six inch adapter harness to the end of the two pin connecter Locate position 40 and position 32 on the radio connecter and install one of the wire taps onto the wire Lay the wire in the open channel fold the connecter body over and squeeze...

Page 5: ...hes from the load floor and approximately 7 inches from the edge of the seatback closest to the center of the vehicle Make a vertical incision in the carpet approximately 2 3 inch long Fig 8 20 On the hatchback models remove the intermediate load floor Intermediate load floor cannot be used with subwoofer installed 21 Place the supplied foam strip on the plastic quarter panel cover in the position...

Page 6: ... locate the trouble 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 12Volt power connecter near the firewa...

Page 7: ...n music Test with several different songs Subwoofer harness not properly completely connected to sub woofer Securely fasten both of the connecters on the subwoofer harness to the subwoofer Check for loose connections Radio Not Coming On Blown radio fuse Refer to owner s manual for radio fuse location and value Low battery voltage Recharge the battery Radio Comes On But No Sound From Any Speakers F...

Page 8: ...8 ...

Page 9: ...c rTM m by fKICKER m Audio System Upgrade Please retain this card and your receipt with vehicle Contains valuable information should you need service m SSON12 u Q m u Q i 1 3 rJl f JI JJ l 3 rJl f J i l 3 rJl f Ji 1 3 r l f JI J 1 1 3 rJl f JJ i 1 3 r l f J l l g l f Ji 1 3 r l f JI J J 1 1 3 rJl f JJ l 3 r l f J i l g l f Ji 1 3 rJl f llJ gl ...

Page 10: ...damage and return to 11 Stillwater Designs 3100 North Husband St Stillwater OK 74075 The RMA number must be clearly marked on the outside of the package Please return only defective components The return of functioning items increases your return freight charges Non defective items will be returned freight collect to you Include a copy of the original receipt with the purchase date clearly visible...

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