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Jeep Wrangler
PSS-21WRA Sound System
Installation Manual
Model: Wrangler Unlimited
Model Year: 2015 – 2017
*Not compatible with factory amplified systems
* 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.
Introduction
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
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
Ignoring the content marked by this indication and using the product incorrectly may
Warning
lead to death or serious injury.
Model
Jeep
Wrangler Unlimited
WRANGLER
Year
2015 - 2017
Jeep Wrangler
1/19
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Table of Contents
Related Manuals for Alpine PSS-21WRA
Summary of Contents for Alpine PSS-21WRA
- Page 1 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.
- Page 2 Jeep Wrangler WRANGLER 2/19 Ignoring the content marked by this indication and using the product incorrectly may Caution lead to injury or property damage. Types of Precautions Indicates actions that are forbidden Indicates actions that are (must not be performed) mandatory (must be performed) Forbidden Mandatory...
- Page 3 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. Forbidden The installation and wiring of this product requires specialized skills and experience. Have the product installed by an Alpine authorized dealer.
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Page 4: Tools Required
Jeep Wrangler WRANGLER 4/19 Tools Required Panel Removing Tool Sockets #2 Phillips Screwdriver 7mm 10mm 18mm 9/32” Drill Bit Extension Ratchet Torx Power Drill Wire Cutters Accessory List Parts List Subwoofer Amplifi er Subwoofer Level Remote Amplifi er Mounting Bracket Subwoofer Mounting Brackets (8) M4 Screws (4) Tweeter Adapters... - Page 5 Jeep Wrangler WRANGLER 5/19 Accessory List Parts List (4) 8/32” Phillips Screws (4) 12” X 12” Polyfill fiber sheets Main Wiring Harness SPT-70C Rear Component SPT-71C Front Component Hi/Lo RCA Adapter Speakers Speaker OEM T-Harness Adapter Power Cable RCA Adapters (10) Cable Ties (4) Tweeter Wiring Adapters (4) 6.5”...
- Page 6 Jeep Wrangler WRANGLER 6/19 Factory Radio Removal Remove the rubber cover from the top storage area Remove the knee cover panel and extract (2) 7mm and extract (1) 7mm screw. screws located to the right and left sides of the steering wheel column.
- Page 7 Jeep Wrangler WRANGLER 7/19 Passenger Seat Removal Using an 18mm socket, extract the (4) seat bolts Using a T45 Torx extract (1) bolt from the seat belt from the passenger side seat. anchor. Front view Confirm that the Battery has been disconnected before continuing to step 3.
- Page 8 Jeep Wrangler WRANGLER 8/19 Top Dash Speaker Removal Remove top dash speaker grill using a panel Using a 7mm socket remove (2) 7mm screws, removal tool. disconnect and remove the factory speaker. Front Speakers Removal (continued) Using a panel removing tool, remove the dash side Extract (2) 10mm screws from the metal steering covers by each door.
- Page 9 Jeep Wrangler WRANGLER 9/19 Front Speakers Removal Extract (2) 7mm screws from the side of each Remove (1) 10mm screws from under the each respective dash enclosure. enclosure. Driver Side Passenger Side Disconnect the speaker enclosure (connector Pull the dash towards the back of the vehicle and located on the back) remove the enclosure by turning towards the back.
- Page 10 Jeep Wrangler WRANGLER 10/19 Speaker Mounting Adapters Tweeters 6.5” Speakers Mount the Front (SPT-71C) and (SPT-70C) tweeters Attach the 6.5” Speakers adapters to the enclosure on the tweeter adapters using the plastic mounting and sound bar using the factory screws. nut and turn until fully tighten.
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Page 11: Tweeter Installation
Jeep Wrangler WRANGLER 11/19 Tweeter Installation Connect the front (SPT-71C) tweeters to the factory Mount the front (SPT-71C) tweeters using the harness and mount X-Over network using a cable factory screws. tie as shown below. Front Speaker Installation NOTE: Polyfill installation is critical to the sound quality of the system, please do not skip this step Stuff the speaker enclosure with the supplied polyfill Connect and mount 6.5”... -
Page 12: Subwoofer Installation
Jeep Wrangler WRANGLER 12/19 Subwoofer Installation Position the seat in a secure manner to gain access Using a T30 Torx, remove the OEM harness to the bottom of the seat. mounting plate as shown below. Use a panel removal tool to remove the two plugs from the mounting plate. -
Page 13: Amplifier Installation
Jeep Wrangler WRANGLER 13/19 Amplifier Installation Use a 10mm socket to connect the power cable Route the power cable following the OEM harness to the POSITIVE (+) battery terminal. Note: The as shown below. NEGATIVE terminal should remain disconnected until the installation is completed. Route the power cable along the vehicle’s frame Route the cable through the rubber grommet and following the OEM harness towards the back... - Page 14 Jeep Wrangler WRANGLER 14/19 Amplifier Installation Attach the anti-vibration foam to the amplifier, Route the main harness along the center console as make all the necessary connections following the shown below. corresponding wiring diagram. See pages 16, 17 or Front of Rear of vehicle vehicle...
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Page 15: Exploded View
Jeep Wrangler WRANGLER 15/19 Exploded View Center Passenger door console side side Bass Level Control Installation Mount the bass level control to an easily accessible location. We recommend mounting the control on the center console as shown below using the Velcro provided. - Page 16 Jeep Wrangler WRANGLER 16/19 PSS-21WRA Wiring Diagram For Alpine Restyle Headunit Alpine Restyle Headunit Recommended Sound Settings To Vehicle Connectors Front Rear X-Over 63Hz Level +5 Medium 56Hz Level +5 Wide Front 140Hz Level +6 Medium 80Hz Level +8 Wide...
- Page 17 Jeep Wrangler WRANGLER 17/19 PSS-21WRA Wiring Diagram Aftermarket Headunit To Vehicle Connectors * Wire Harness and Interface sold separately To 3rd party wire harness and radio replacement interface Power/Speaker 16-pin Green Connector OEM T-HARNESS ADAPTER Front Rear Subwoofer Front Front...
- Page 18 Jeep Wrangler WRANGLER 18/19 PSS-21WRA Wiring Diagram For Factory Headunit To Vehicle Connectors To OEM Headunit Power/Speaker 16-pin Green Connector OEM T-HARNESS ADAPTER High Level Out 4 PIN WHITE CONNECTOR Front Speakers Rear Front Rear Subwoofer 4 PIN BLACK CONNECTOR...
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Page 19: Troubleshooting Guide
Jeep Wrangler WRANGLER 19/19 Troubleshooting Guide Symptom Possible Cause Remedy System will not turn on Missing or blown fuse at the battery Insert or replace fuse Radio’s Remote Turn-On wire may be Verify that Remote Turn-On wire is disconnected. connected. Volume is too loud with Speaker level out is connected at the Ensure that the low level RCA adapters...
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