Alpine PSS-23WRA User Manual
Jeep Wrangler
PSS-23WRA Sound System
Installation Manual
Model: 4-Door Wrangler Unlimited JL
Model Year: 2018 –UP
*Not compatible with factory amplied systems
Jeep Wrangler
UNLIMITED JL 1/11
Jeep
* 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.
Model Year
Wrangler Unlimited 2018 – UP
Warning: Before you begin, 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.
Introduction
Congratulations on purchasing the PSS-23WRA. This installation manual is designed to take you through
the step-by-step installation of the PSS-23WRA into a 2018 -Up Jeep Wrangler Unlimited. Please familiarize
yourself with the owner’s manual and if you still have additional questions please call 1-800-TECH-101.
Note
Design and specifications are subject to change without notice for improvement.
To Ensure Safe Use, Always Follow These Precautions
The installation of this product requires specialized skills and experience. We recommend that you have the
product installed by an Alpine authorized dealer.
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.
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
Caution
Ignoring the content marked by this indication and using the product incorrectly may
lead to death or serious injury.
Ignoring the content marked by this indication and using the product incorrectly may
lead to injury or property damage.
Types of Precautions
Forbidden
Forbidden
Mandatory
Forbidden
Forbidden
Mandatory
Mandatory
Forbidden
Forbidden
Forbidden
Forbidden
Forbidden
Forbidden
Forbidden
Indicates actions that are
forbidden (must not be performed)
Jeep Wrangler
UNLIMITED JL 2/11
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 fire.
Indicates that disassembly is
forbidden.
Indicates actions that are
mandatory (must be performed)
Marks content that should receive
your full attention.
Warning
Do not disassemble or modify the
product. Doing so could lead to an
accident, fire, or electric shock.
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 specified current
rating. Failing to do so could lead to
an accident or fire.
Only connect the product to a 12 VDC
negative ground car. Failing to do so
could lead to an accident or fire.
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 fire or electric shock.
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.
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 fire.
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.
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 fire or an accident.
Do not sandwich cords between the
seat railing or allow them to touch
protrusions. Resulting breaks or shorts
could lead to electric shock or fire.
Do not block vents or heat sinks. Doing so
could lead to fire 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.
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 fire or damage equipment.
The installation and wiring of this
product requires specialized skills and
experience. Have the product installed by
an Alpine authorized dealer.
Tools Required
7mm 10mm
Panel Removal Tool Sockets Phillips Screwdriver
Wire Cutters Extension Ratchet
T50 Torx Cordless Power Drill Cordless Impact Gun
Jeep Wrangler
UNLIMITED JL 3/11
Accessory List
Amplifier Assembly T-Harness Main Harness
(10) Cable Ties RCA Adapters Power Cable
Front Top Dash Speakers
Factory Equipment Removal Process
Jeep Wrangler
UNLIMITED JL 4/11
1 Use a panel removal tool to release (2) clips on the
top of the plastic knee cover and remove it.
3 Extract (2) 7mm/Phillips screws on the bottom of
the radio bezel.
2 Use a panel removal tool to release (10) clips on the
HVAC control panel, disconnect and remove it.
4 Use a panel removal tool to release (6) clips on the
radio bezel and remove it.
5 Extract (4) 7mm/Phillips screws from the factory
radio, disconnect and remove it.
6 Lift the middle tab on the passenger side glovebox
to release and remove it.
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