Alpine PSS-20WRA User Manual
Jeep Wrangler
PSS-20WRA Sound System
Installation Manual
Model: Wrangler Unlimited
Model Year: 2007 – 2014
*Not compatible with factory amplied systems
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* 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 (-)
Model Year
Wrangler Unlimited 2007 - 2014
terminal of the battery. Failing to do so can lead to electric shock, injury or damage
to equipment.
Introduction
Congratulations on purchasing the PSS-20WRA. This installation manual is designed to take you through the
step-by-step installation of the PSS-20WRA into a 2007 - 2014 Jeep Wrangler Unlimited. Please familiarize
yourself with the owners 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
Mandatory
Forbidden
Forbidden
Forbidden
Mandatory
Mandatory
Forbidden
Forbidden
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Indicates actions that are forbidden
(must not be performed)
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 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.
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Forbidden
Forbidden
Forbidden
Forbidden
Forbidden
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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 18mm
Panel Removal Tool Sockets #2 Phillips Screwdriver
9/32” Drill Bit Extension Ratchet
T15 T30 T45
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Torx Power Drill Wire Cutters
Accessory List
Parts List
Subwoofer Amplifi er Subwoofer Level Remote
Amplifi er Mounting Bracket R/L Subwoofer Mounting
Brackets
(2) Dash Tweeter Mounting Caps (4) 6.5” Speaker Adapters (4) M6 Screws
(8) M4 Screws
Accessory List
Parts List
(4) 8/32” Phillips Screws (4) 12” X 12” Polyfill fiber sheets Main Wiring Harness
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SPT-70C Rear Component
Speakers
SPT-71C Front Component
Speaker
SLIDE
OPEN
||
TWEETER
SLIDE
OPEN
||
TWEETER
INPUT
INPUT
Hi/Lo RCA Adapter
OEM T-Harness Adapter Power Cable (4) RCA Adapters
(10) Cable Ties (8) 1” Truss-Head Phillips
Screws
(8) 1/2” Truss-Head Phillips
Screws
NOTE: Please align them as top left image
NOTE: Please align them as top left image
Anti-Vibration Foam Velcro (4) 6.5” Speaker Wiring Adapters
Factory Unit Disassembly Process (2007-2010 Only)
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1 Remove top panel by releasing (2) clips on the rear
of the top panel and then pull panel forward.
3 Release (2) clips on the top of the bottom panel.
This will expose (2) 7mm screws. Remove using a
7mm socket with ratchet & extension.
2 Remove (2) 7mm screws from the top of the radio
bezel.
4 Use panel removal tool to remove dash panel by
releasing (6) clips (3 per side).
5 Extract (4) 7mm screws and remove the factory
radio.
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