Axxess XSVI-5520-NAV Wiring Interface

Install new car stereo and retain accessory power in select 2007-2016 vehicles from Ford

Shop all Axxess

• Provides 12-Volt accessory power (RAP)
• Designed for non-amplified systems
• Retains balance and fade
• Micro-B USB Updatable
• Pre-Wired for ASWC-1 (Sold separately)

See compatible vehicles Learn more about the xsvi5520nav

Good news and a little bad...

This item has been discontinued

But you may be interested in the newest model that's available.

xsvi5521nav thumbnail

Axxess XSVI-5521-NAV Wiring Interface

OUR PRICE: $59.99

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Authorized dealer

Product Features:

  • Compatible with select 2007-2016 vehicles from Ford
  • 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)
  • Retains balance and fade
  • Used in non-amplified systems, or when replacing amplified system
  • Micro-B USB updatable
  • 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

  • 2007 Ford Edge
  • 2007 Ford Expedition
  • 2007 Ford Expedition EL
  • 2008 Ford Edge
  • 2008 Ford Escape
  • 2008 Ford Escape Hybrid
  • 2008 Ford Expedition
  • 2008 Ford Expedition EL
  • 2008 Ford Focus
  • 2008 Ford Mustang
  • 2009 Ford Edge
  • 2009 Ford Escape
  • 2009 Ford Escape Hybrid
  • 2009 Ford Expedition
  • 2009 Ford Expedition EL
  • 2009 Ford F-150
  • 2009 Ford Focus
  • 2009 Ford Mustang
  • 2010 Ford Edge
  • 2010 Ford Escape
  • 2010 Ford Escape Hybrid
  • 2010 Ford Expedition
  • 2010 Ford Expedition EL
  • 2010 Ford F-150
  • 2010 Ford Flex
  • 2010 Ford Focus
  • 2010 Ford Fusion
  • 2010 Ford Fusion Hybrid
  • 2010 Ford Mustang
  • 2011 Ford Escape
  • 2011 Ford Escape Hybrid
  • 2011 Ford Expedition
  • 2011 Ford Expedition EL
  • 2011 Ford F-150
  • 2011 Ford F-250 Super Duty
  • 2011 Ford F-350 Super Duty
  • 2011 Ford F-450 Super Duty
  • 2011 Ford F-550 Super Duty
  • 2011 Ford Flex
  • 2011 Ford Focus
  • 2011 Ford Fusion
  • 2011 Ford Fusion Hybrid
  • 2011 Ford Mustang
  • 2012 Ford Escape
  • 2012 Ford Escape Hybrid
  • 2012 Ford Expedition
  • 2012 Ford Expedition EL
  • 2012 Ford F-150
  • 2012 Ford F-250 Super Duty
  • 2012 Ford F-350 Super Duty
  • 2012 Ford F-450 Super Duty
  • 2012 Ford F-550 Super Duty
  • 2012 Ford Flex
  • 2012 Ford Fusion
  • 2012 Ford Fusion Hybrid
  • 2012 Ford Mustang
  • 2013 Ford Expedition
  • 2013 Ford Expedition EL
  • 2013 Ford F-150
  • 2013 Ford F-250 Super Duty
  • 2013 Ford F-350 Super Duty
  • 2013 Ford F-450 Super Duty
  • 2013 Ford F-550 Super Duty
  • 2013 Ford Mustang
  • 2014 Ford Expedition
  • 2014 Ford Expedition EL
  • 2014 Ford F-150
  • 2014 Ford F-250 Super Duty
  • 2014 Ford F-350 Super Duty
  • 2014 Ford F-450 Super Duty
  • 2014 Ford F-550 Super Duty
  • 2014 Ford Mustang
  • 2015 Ford F-250 Super Duty
  • 2015 Ford F-350 Super Duty
  • 2015 Ford F-450 Super Duty
  • 2015 Ford F-550 Super Duty
  • 2016 Ford F-250 Super Duty
  • 2016 Ford F-350 Super Duty
  • 2016 Ford F-450 Super Duty
  • 2016 Ford F-550 Super Duty

Specifications & Details

Harness Features
Main Harness Function
Connect/Install an Aftermarket Car Stereo
Additional Harness Features
Provides Parking Brake & Reverse Signals
Provides Vehicle Speed Sense
Retained Accessory Power (RAP) Retention
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


Model Number:




Internal SKU:


Internal Product ID:


Customer Ratings & Reviews

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Customer Reviews

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Does what it's supposed to

Used this in my 2010 F150 when putting in my double din touch screen head unit. My truck had the Ford Sync system but I was sick of it and didn't mind losing it by using this kit. Easy instructions, basic color matching. Good product!

By Calvin on September 17, 2013


found this helpful.


World great, installation was easy if you know how to wire up a head unit. I would recommend this product for installing a new head unit.

By Edward on April 17, 2015 checkmarkIcon Verified purchase


found this helpful.

Great value!

The wiring harness worked just as expected. It was easy to install my new radio with.

By Beth on April 3, 2014


found this helpful.

Great Product

Worked great easy to install Like it alot would recommend this harnes

By Kendrick on May 24, 2015


found this helpful.

Needed for install and works better than i thought

I have installed a new radio in just about every car ive owned. None of them have ever had a system quite like Ford's Sync system but anyways. For some reason, my harness did not include an instruction manual in the box. So when i hooked up all the wires and nothing happened i immediately got pissed. then i started using my tester to check for a switched (accessory key position) positive wire and didn't find one i got even more upset with not only the wiring harness but ford as well. 3 days go by and i just so happen to have been doing my research and i found that my factory harness does not include this wire and so i stumbled to the website of my aftermarket harness manufacturer to B**** them out, i found the instruction manual that tells me to turn the key for 30sec... yada yada and i tried it and it worked.

Works just like it needs to. The only con now is, sync thinks it is in DVD mode so the screen at the top just says DVD and the ext. temp

By kris on October 25, 2016 checkmarkIcon Verified purchase


found this helpful.

Axxess XSVI-5520-NAV

It was nice, super nice indeed. I like it. Great cutting edge tech.

By Anonymous on August 9, 2018


found this helpful.

Good value

Makes hooking the radio into the factory wiring very simple and leaves enough cable to have room to move the radio around when installing

By Anonymous on September 8, 2019 checkmarkIcon Verified purchase


found this helpful.


This is a great harness that allows you to hookup your factory harness to the aftermarket radio with no cutting or splicing of factory cables. Best thing Sonic included it with purchase of the Pioneer DD head unit

By Joe on September 17, 2016 checkmarkIcon Verified purchase


found this helpful.

Exactly what I needed.

I have a 2008 Ford Focus SE. I spent weeks doing research trying to find out how everybody got around there screwy way of wiring a stereo in. This is definitely a plug-and-play type of plug for that specific vehicle. Mine does not have does subwoofer or any other extra as far as the radio goes that came with it. So after I bought a couple other plugs that didn't work I ran across this one accidentally and it is the only one I've seen of its kind online that popped up on my search for my vehicle. I can't be more happier with the outcome from this plug so thank you sonic electronic! I will return here for any future purchases.

By Andrew on January 5, 2018 checkmarkIcon Verified purchase


found this helpful.

My purchase

Good price and easy install instructions i recommend this wire harness

By N8V on March 31, 2016


found this helpful.

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