DS18 JK-HARNESS is a comprehensive wiring kit designed to enhance your Jeep's audio system with the integration of amplifiers, subwoofers, and soundbars. This harness simplifies the installation process, allowing you to seamlessly add high-quality audio components to your vehicle. With its meticulously designed connectors and detailed instructions, the DS18 JK-HARNESS empowers you to elevate your Jeep's audio experience to new heights.
DS18 JK-HARNESS is a comprehensive wiring kit designed to enhance your Jeep's audio system with the integration of amplifiers, subwoofers, and soundbars. This harness simplifies the installation process, allowing you to seamlessly add high-quality audio components to your vehicle. With its meticulously designed connectors and detailed instructions, the DS18 JK-HARNESS empowers you to elevate your Jeep's audio experience to new heights.
JK-HARNESS
USER MANUAL
A. Pin Remover
B. #2 Philips Screwdriver
C. ¼ Drill Bit
D. 7mm Socket
E .10mm Socket
F. 18mm Socket
G. T27 Socket
H. T40 Socket
I. Impact wrench
Equipment you will need
(Not included in the kit)
• SQBASS (active subwoofer)
• 2X Candy4 (4 Ch amplifier)
• SQBASS Brackets • Amp Rack
X-4, M5x16mm
screws, and nuts X-4, 2x8mm
screws X-8, 3.5x8mm
screws, and nuts
• JK Soundbar Wiring Kit Harness
for JEEP: SERIES
Item included:
Tools required:
JK-HARNESS
1
A
A
B
B
C
C
ATTENTION
Installation of mobile audio and video components requires experience with a variety of
mechanical and electrical procedures. Although this manual provides general installation and
operation instructions, it does not show the exact installation methods for your vehicle. If you
do not have the required knowledge and experience to successfully complete the installation,
consult an authorized dealer about professional installation service.
ATTENTION
Disconnect the negative post (Ground) of the battery before you start the installation. This
helps avoid airbags coding and malfunctions, codes module malfunction or any electrical
issues
Under Seat Amp and SQBass Rack / Bracket
INSTALLATION
1
2
2
Remove the belt screw from the seat using a T40 socket, then you can remove the seat from
the Jeep and put it on this position for easy access under the seat.
Starts with removing the bolts of the Driver seat using the 18mm socket with an impact
wrench tool.
JK-HARNESS
3
4
Locate the Connector holder plate
and remove it using the clip remover
for the connector and the T27 socket
for the two screws that hold it.
Relocate this wiring under the seat to one side using the same pin spots as you can see in
the picture.
3
5
6
7
Locate the SQBASS Bracket “A” and secure it on the SQBASS using the “B” screws supplied
and tight them just enough but not too hard (Screw can break easy).
Using the ¼ Drill Bit open up this two holes where the factory bolts was located, then locate
the SQBASS bracket “B” and secure it using a pair of the “A” screws but do not tight
them yet.
Locate the SQBASS under the seat and use a pair of “A” screws and secure the bracket
but do not tight them yet, then using the “B” screws secure the other side of the SQBASS
to the bracket “B” as you can see in the picture.
4
JK-HARNESS
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Now it’s time to install the amplifiers to the Amp Rack using the supplied “C” screws, tight
them well using a 7mm socket and the #2 Philips screwdriver. Check the position of the
amp as you can see in the picture for easy wiring access, before putting this under the seat
you can go ahead and install the speaker and amplifier wiring, this is an easy way to access
the terminals
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1
23
9
Slide in the bracket into the gap between the SQBASS bracket and the seat bracket and
tight up all the screws using a 10mm socket with the impact wrench.
Now it’s time to connect all the wires for
the SQBASS and the amplifiers then get
ready to put back the seat into the Jeep
and route the rest of the wiring: (1) Ground
and to the engine bay for battery power,
(2) for the Radio in the Dashboard, (3) to
the roof soundbar.
6
SOUNDBAR SPEAKER SIDE FACTORY
SOUND
LED-BTC
SOUNDBAR
AMP SIDE
AMP
AMP
RADIO
SUBWOOFER
FUSE
HOLDER
BATTERY
AMP SIDE
RADIO
SIDE
JEEP JK/JKU Sound Bar + Amp +
Under Seat SubWOOFER Wiring Harness Kit Installation
JK-HARNESS
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Radio side Installation
using Factory OEM Radio (Without RCA pre-output)
A - Connect the DS18 T-Harness connector between the factory
radio unit and the radio harness.
B - Factory radio Harness
C - Factory radio unit
D - DS18 Harness (Radio Side)
1 - Front Audio Input connector (white/gray)
2 - Rear Audio Input connector (green/violet)
3 - Subwoofer Audio Input connector (red/white)
4 - Front Speaker output connector (white/gray)
5 - Rear Speaker (Tweeter/driver) output connector (green/violet)
6 - Remote wire to power on the amplifiers
C
B
A
AUDIO
OUT
AUDIO
IN
REMOTE
FACTORY RADIO
HARNESS
DS18
T-HARNESS
RADIO
FACTORY
RADIO
DS18 HARNESS
(RADIO SIDE)
1
2
3
6
4
5
D
8
B
C
A
Radio side Installation
using Aftermarket Radio (With RCA pre-output)
FACTORY RADIO
HARNESS
DS18
T-HARNESS
RADIO
RADIO
HARNESS
ADAPTER
(Not Included)
AFTERMARKET
RADIO
SUPPLIED RCA
CONNECTOR
FRONT REAR SUB-W
DS18
HARNESS
(RADIO SIDE)
D
3
4
5
2 1
NOT
CONNECTED
6
REMOTE
JK-HARNESS
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A - Connect the DS18 T-Harness connector between the factory radio
unit and the radio harness using a radio harness adapter from
JEEP JK to the brand radio that you will install (not included).
B - Factory Radio Harness.
C - Aftermarket unit with RCA pre-outputs .
D - DS18 Harness (Radio Side).
1 - Front Audio Input connector (white/gray): use a supplied RCA
adapter wire and connect to Front RCA Pre-output in the Radio.
2 - Rear Audio Input Connector (green/violet): use a supplied RCA
adapter wire and connect to Rear RCA Pre-output in the Radio.
3 - Subwoofer Audio Input Connector (red/white): use a supplied
RCA adapter wire and connect to subwoofer RCA Pre-output in
the radio.
4 - Front Speaker output connector (white/gray).
5 - Rear Speaker (Tweeter/driver) output connector (green/violet).
6 - Remote wire: connect this to the Remote output from the radio.
Radio side Installation
using Aftermarket Radio (With RCA pre-output)
10
APP
ON/OFF
(SWITCH)
ACCESORY
SWITCH (12V)
BATTERY
Amplifier Side Installation
FRONT CANDY AMP 4 CH
ROOF CANDY AMP 4 CH
SQBASS SUBWOOFER
REMOTE
AUDIO INPUT
GND
12V
TO LED BTC ROOF HARNESS
1
9
3
42
7
8
10
11
12
6
5
LED-BTC
(Sold separately)
JK-HARNESS
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1. SPEAKER HARNESS: connect this to the “Front” amplifier (Wh: CH1+, Wh/Bk:
CH1-, Gy: CH2+, Gy/Bk: CH2-, Gr: CH3+, Gr/Bk: CH3-, Vt: CH4+,
Vt/Bk: CH4-).
2. SOUNDBAR SPEAKER HARNESS: connect this to the “Roof” amplifier
(Wh: CH1+, Wh/Bk: CH1-, Gy: CH2+, Gy/Bk: CH2-, Gr: CH3+, Gr/Bk: CH3-,
Vt: CH4+, Vt/Bk: CH4-) .
3. “FRONT” AMPLIFIER AUDIO SIGNAL CONNECTOR: if you are using the
factory radio (without RCA pre-output) connect this direct to hi-level input
connector in the amplifier (do not use the RCA), if you are using an aftermarket
radio (with RCA pre-output) connect this using the supplied RCA connector
and connect this to the amplifier RCA input.
4. “ROOF” AMPLIFIER AUDIO SIGNAL CONNECTOR: if you are using the
factory radio (without RCA pre-output) connect this direct to hi-level input
connector in the amplifier (do not use the RCA), if you are using an aftermarket
Radio (with RCA pre-output) connect this using the supplied RCA connector
and connect this to the amplifier RCA input.
5. “FRONT” AMPLIFIER POWER WIRES, RED: Positive from battery, Black:
Negative Ground, Blue: Remote from radio.
6. “ROOF” AMPLIFIER POWER WIRES, RED: Positive from battery, Black:
Negative Ground, Blue: Remote from radio.
7. “SUBWOOFER” AMPLIFIER POWER WIRES, RED: Positive from battery, Black:
Negative Ground, Blue: Remote from radio.
8. “SUBWOOFER” AMPLIFIER AUDIO SIGNAL CONNECTOR: if you are using
the factory radio (without RCA pre-output) connect this direct to hi-level input
connector in the amplifier (do not use the RCA), if you are using an aftermarket
radio (with RCA pre-output) connect this using the supplied RCA connector
and connect this to the amplifier RCA input.
9. DS18 HARNESS AMPLIFIER SIDE.
10. DS18 SOUNDBAR HARNESS AMPLIFIER SIDE.
11. RGB LED LIGHTS FROM THE SOUNDBAR: connect this to the LED-BTC
module. (LED-BTC sold separately)
12. GROUND WIRE: connect this to a factory ground chassis bolt.
12
SoundBar Side ROOF HARNESS
SPEAKER
1
SPEAKER
2
SPEAKER
3
SPEAKER
4
RGB BADGE
FACTORY
ROOF LIGHT
TW 1 TW 2 TW 3 TW 4DR 1 DR 2
A
B
C D
1
5 5 5 5 5 5
2 3 4
A A A
A
JK-HARNESS
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A. RGB LED light wire: connect this to each RGB LED lighting such as
speakers, rings, grills, tweeters, and DS18 Badge used for the soundbar.
B. Factory dome light connector: connect this to the OEM dome lamp
(not included).
C. Factory Soundbar Connector: connect this to the OEM connector for the
Soundbar.
D. 12 pin Harness Connector: this goes to the DS18 roof harness from the
amplifier side.
1. Speaker 1 connector: connect this to the speaker, Green: +, Green/Black: -
2. Speaker 2 connector: connect this to the speaker White: +, White/Black: -
3. Speaker 3 connector: connect this to the speaker Gray: +, Gray/Black: -
4. Speaker 4 connector: connect this to the speaker Violet: +, Violet/Black: -
5. Tweeter and Driver Wires: connect this to each tweeter and driver, Gray: +,
Gray/Black: -
15
Final Steps:
1. Run the positive power wire to the front battery under the hood, you can use
the existent drain caps on the floor in the seat area to pass through the wire
and route it to the battery.
2. Secure the wire use zip-ties to the chassis or factory harness nearby and keep
it far away from the header/exhaust.
3. Connect it on the Positive (+) terminal of the battery and secure the fuse
holder in an accessible area using screws or zip-ties.
4. Once all is connected, put back the seat and make sure all connectors are
plugged-in so you can re-connect the negative post (Ground) of the battery.
5. Turn on the Radio and check sound making sure that all speakers are playing,
then adjust the amplifier’s gain and crossover point to your preference.
6. This should be all! Enjoy your new DS18 JK-HARNESS.
FOR MORE INFORMATION
PLEASE VISIT
DS18.COM
We LIKE IT LOUD
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DS18 JK-HARNESS is a comprehensive wiring kit designed to enhance your Jeep's audio system with the integration of amplifiers, subwoofers, and soundbars. This harness simplifies the installation process, allowing you to seamlessly add high-quality audio components to your vehicle. With its meticulously designed connectors and detailed instructions, the DS18 JK-HARNESS empowers you to elevate your Jeep's audio experience to new heights.
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