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Axxess XSVI-5521-NAV Wiring Interface

Install new car stereo and retain accessory power in select 2006-2016 vehicles from Ford, Lincoln, Mercury

Axxess
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• Provides 12-Volt accessory power (RAP)
• Designed for amplified subwoofer
• Micro-B USB Updatable
• Pre-Wired for ASWC-1 (Sold separately)

See compatible vehicles Learn more about the xsvi5521nav

We apologize

This item has been discontinued


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Description


Axxess brand icon

Authorized dealer

Product Features:

  • Compatible with select 2006-2016 vehicles from Ford, Lincoln, Mercury
  • Designed to install a new aftermarket car stereo
  • Provides accessory power (12-volt 10-amp)
  • Retains R.A.P. (retained accessory power)
  • Provides NAV outputs (parking brake, reverse, and V.S.S)
  • Micro-B USB updatable
  • Retains balance and fade
  • Designed for amplified subwoofer
  • Pre-Wired for Axxess ASWC-1 steering wheel audio control adapter (Sold separately)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Product history:

Axxess XSVI-5521-NAV thumbnail
(newest, current model)
Axxess XSVI-5520-NAV thumbnail
(previous model, replaced by Axxess XSVI-5521-NAV Wiring Interface)
Axxess XSVI-5520 thumbnail
(previous model, replaced by Axxess XSVI-5520-NAV Wiring Interface)

Compatible Vehicles


Please use our Fitment Guide to determine specific compatibility for the submodel and audio features

The vehicle you have selected 2002 BMW Z3 is not compatible. Change vehicle or See list of compatible similar products


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Specifications & Details


Harness Features
Main Harness Function
Connect/Install an Aftermarket Car Stereo
Additional Harness Features
Retained Accessory Power (RAP) Retention
Premium Harness Features
Factory System Amplification
Amplified
Compatible with Aftermarket Navigation Systems
Yes
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider
Manufacturer

Item Details


Manufacturer:

Model Number:

XSVI-5521-NAV

Weight:

0.43lbs

Internal SKU:

xsvi5521nav

Internal Product ID:

60544

Customer Ratings & Reviews


Axxess XSVI-5521-NAV Wiring Interface thumbnail image

5 star
63%
4 star
13%
3 star
13%
2 star
0%
1 star
13%



Durability
4.3
Value
3.9
Features
4.2
Design
4.2
Usability
3.7

Customer Reviews

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GREAT SUPPORT

This unit comes with instructions that are complete and easy to follow. A 2008 Ford Explorer, removal and then installation of a Kenwood DVD/GPS took me less than 2 hours from start to finish. All my features continued and it was as simple as hooking colored wires to the same colored wires on the unit.

By Rodger on September 17, 2013

49 found this helpful


Has everything you could need.

If you have a xls or base model ford, this one is not required, you can get the cheaper one. But with that being said, this this is built solid, the wiring was actually thicker awg than my head unit!

By Nathan on September 28, 2013

39 found this helpful


Works Great

The harness works great. Be prepared to splice a number of wires to the harness that comes with your aftermarket radio.

By John on October 3, 2014

37 found this helpful


Good package

Works as it should but check vehicle accessories as you may need additional ASWC.1 for steering wheel controls.

By Anonymous on July 30, 2019

29 found this helpful


dont work

this was recommended with purchase of radio with gps and back up cam for 2014 f150 xl . i get no power through switch

By chris on May 25, 2017 Checkmark Icon Verified purchase

25 found this helpful


Great value

They definitely got the accessories correct and made the installation much easier.

By Michael on May 26, 2020 Checkmark Icon Verified purchase

21 found this helpful


Good Match

Bought a stereo and this was suggested as the correct harness for my 2009 Ford Focus, all factory radio connections were accounted for, but the harness did have a few extra plugs that were not used/needed

By Alex on March 4, 2018

22 found this helpful


By anthony on June 20, 2025 Checkmark Icon Verified purchase



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Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

  • You see only parts engineered for your exact vehicle
  • You avoid incompatible radios, speakers, or wiring
  • Installation is smoother, faster, and frustration-free
  • You get the correct accessories the first time

Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.