Alpine PSS-21WRA User manual

Jeep Wrangler
WRANGLER z1/19
Jeep Wrangler
PSS-21WRA Sound System
Installation Manual
zModel: Wrangler Unlimited
zModel Year: 2015 – 2017
*Not compatible with factory amplified systems
Introduction
zCongratulations on purchasing the PSS-21WRA. This installation manual is designed to take you through the
step-by-step installation of the PSS-21WRA into a 2015 - 2017 Jeep Wrangler. Please familiarize yourself with
the owners manual and if you still have additional questions please call 1-800-TECH-101.
Note
zDesign and specifications are subject to change without notice for improvement.
To Ensure Safe Use, Always Follow These Precautions
zThe installation of this product requires specialized skills and experience. We recommend that you have the
product installed by an Alpine authorized dealer.
zBefore you use this product, be sure to carefully read this installation manual and the separate user's manual
so that you can use the product correctly. Alpine Electronics bears no responsibility for problems that arise as
a result of failure to follow the instructions in the manuals.
zThis manual includes a number of symbols that are intended to help you use the product safely, to prevent
harm to you and others, and to protect against damage to property. These symbols and their meanings are
listed below. Make sure you fully understand these symbols before you begin reading the main text.
Explanations of Injury and Damage That May Result from Incorrect Use
Warning Ignoring the content marked by this indication and using the product incorrectly may
lead to death or serious injury.
Jeep Model Year
Wrangler Unlimited 2015 - 2017
* The specified vehicles have been tested and have met compatibility specs at the time of testing. Compatibility is
not guaranteed if the manufacturer has made production changes to the listed vehicles above.
Warning: Before you begin wiring, remove the ground wire from the NEGATIVE (-)
terminal of the battery. Failing to do so can lead to electric shock, injury or damage
to equipment.

Jeep Wrangler
WRANGLER z2/19
Caution Ignoring the content marked by this indication and using the product incorrectly may
lead to injury or property damage.
Types of Precautions
Forbidden
Indicates actions that are forbidden
(must not be performed)
Mandatory
Indicates actions that are
mandatory (must be performed)
Forbidden
Indicates that disassembly is
forbidden.
Marks content that should receive
your full attention.
Warning
Do not disassemble or modify the product. Doing so could lead to an accident, re,
or electric shock.
Forbidden
Store screws and other small objects where small children cannot reach them. If one of these
small objects is swallowed, consult with a doctor immediately.
When replacing fuses, be sure to use fuses with the specied current rating. Failing to do so could
lead to an accident or re.
Forbidden Mandatory
Only connect the product to a 12 VDC negative ground car. Failing to do so could lead to
an accident or re.
Mandatory
Before you begin wiring, remove the ground wire from the negative terminal of the battery.
Failing to do so could lead to electric shock or injury.
Do not cut the insulation on a cord and take power from another device. Doing so could
lead to re or electric shock.
Forbidden
Do not install the product in a location where it will obstruct the driver’s forward view;
interfere with the operation of the steering wheel, gearshift, or the like; or pose a
threat to passengers. Doing so could lead to an accident or injury. Forbidden

Jeep Wrangler
WRANGLER z3/19
When making a hole in the vehicle body, be careful to avoid damaging pipes, the fuel tank,
electrical wiring, and the like. This kind of damage could lead to an accident or re.
When installing and grounding the product, do not use any of the bolts or nuts of the
steering wheel, brakes, fuel tank, or the like. Doing so could make the brakes stop working
or lead to re. Forbidden
Do not install the product near the passenger-side airbag. Doing so could interfere with the
operation of the airbag and lead to an accident or injury.
Forbidden
Bundle cords so that they don’t interfere with driving. Wrapping cords around the steering
wheel, gearshift, brake pedal, or the like, could lead to an accident or damage equipment.
Caution
Connect the product properly according to the instructions. Failing to do so could lead
to re or an accident.
Forbidden
Do not sandwich cords between the seat railing or allow them to touch protrusions.
Resulting breaks or shorts could lead to electric shock or re.
Do not block vents or heat sinks. Doing so could lead to re or damage equipment.
Use the accessories according to the instructions, and attach them securely.
Failing to do so could lead to an accident or damage equipment.
Forbidden
Do not install the product where it may be exposed to water or in a place with high levels
of humidity or dust. Doing so could lead to re or damage equipment.
Forbidden
The installation and wiring of this product requires specialized skills and experience.
Have the product installed by an Alpine authorized dealer.

Jeep Wrangler
WRANGLER z4/19
Tools Required
Panel Removing Tool Sockets #2 Phillips Screwdriver
7mm 10mm 18mm
9/32” Drill Bit Extension Ratchet
Torx Power Drill Wire Cutters
T20 T30 T45
Accessory List
Parts List
Subwoofer Amplifier Subwoofer Level Remote
Amplifier Mounting Bracket Subwoofer Mounting Brackets (8) M4 Screws
(4) Tweeter Adapters (4) 6.5” Speaker Adapters (4) M6 Screws

Jeep Wrangler
WRANGLER z5/19
Accessory List
Parts List
(4) 8/32” Phillips Screws (4) 12” X 12” Polyfill fiber sheets Main Wiring Harness
SPT-70C Rear Component
Speakers
SPT-71C Front Component
Speaker
Hi/Lo RCA Adapter
TWEETER
INPUT
SLIDE
OPEN
||
OEM T-Harness Adapter Power Cable RCA Adapters
(10) Cable Ties (4) Tweeter Wiring Adapters (4) 6.5” Speaker Wiring Adapters
Anti-Vibration Foam (16) Truss-Head Phillips Screws Velcro

Jeep Wrangler
WRANGLER z6/19
Factory Radio Removal
1Remove the rubber cover from the top storage area
and extract (1) 7mm screw.
3Remove the window switch pod using a panel
removing tool and extract (1) 7mm screw.
5Extract (4) 7mm screws and remove the factory
radio.
2Remove the knee cover panel and extract (2) 7mm
screws located to the right and left sides of the
steering wheel column.
Right side of
steering wheel
column.
Left side of
steering wheel
column.
4Remove the dash panel.

Jeep Wrangler
WRANGLER z7/19
Passenger Seat Removal
1Using an 18mm socket, extract the (4) seat bolts
from the passenger side seat.
Front view
Rear view
3Tilt the drivers seat backwards to locate the two
connectors.
2Using a T45 Torx extract (1) bolt from the seat belt
anchor.
Confirm that the Battery has been disconnected
before continuing to step 3.
4Remove the passenger seat from the vehicle.
Use caution when removing the seat

Jeep Wrangler
WRANGLER z8/19
Top Dash Speaker Removal
1Remove top dash speaker grill using a panel
removal tool.
2Using a 7mm socket remove (2) 7mm screws,
disconnect and remove the factory speaker.
Front Speakers Removal (continued)
1Using a panel removing tool, remove the dash side
covers by each door.
Passenger SideDriver Side
3Remove glove box by pushing both left and right
sides inwards.
2Extract (2) 10mm screws from the metal steering
column cover and remove it.
7 mm
10 mm
Driver Side
4Extract (2) 7mm screws from both the driver and
passenger side located on the lower dash section
as shown below.
Passenger Side

Jeep Wrangler
WRANGLER z9/19
Front Speakers Removal
5Extract (2) 7mm screws from the side of each
respective dash enclosure.
Passenger SideDriver Side
7Disconnect the speaker enclosure (connector
located on the back)
6Remove (1) 10mm screws from under the each
enclosure.
8Pull the dash towards the back of the vehicle and
remove the enclosure by turning towards the back.
Sound Bar Speaker Removal
1Remove (3) T20 Torx screws from the speaker grills. 2Remove (5) T20 Torx screws, disconnect and
remove both speakers.

Jeep Wrangler
WRANGLER z10/19
Speaker Mounting Adapters
Tweeters
Mount the Front (SPT-71C) and (SPT-70C) tweeters
on the tweeter adapters using the plastic mounting
nut and turn until fully tighten.
6.5” Speakers
Attach the 6.5” Speakers adapters to the enclosure
and sound bar using the factory screws.
Wiring Speaker Adapters
Tweeters
Connect the tweeters to the X-Over network
and tweeter wiring adapters. (soldering is
recommended) Connect BLACK to BLACK STRIPE
and WHITE to CLEAR.
6.5” Speakers
Connect the Speaker wiring adapter as shown
below. Connect the WHITE to Positive (+) Terminal
and BLACK to Negative (-) terminal.
Amplier Mounting Bracket
Use the (4) 8/32” Phillips screws to attach the
amplifier to the mounting bracket. Face the RCA
connectors towards the open tab as shown.
*Front SPT-71C Tweeter
and Network as shown.