Axxess XSVI-6515-NAV Wiring Interface

Install new car stereo and retain accessory power in 2012-2015 Fiat 500, 500L

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• Provides 12-Volt accessory power (RAP)
• Compatible with non-amplified, or amplified models
• Micro-B USB Updatable
• Pre-Wired for ASWC-1 (Sold separately)

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Product Features:

  • Compatible with 2012-2015 Fiat 500, 500L
  • 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)
  • High level speaker input
  • Micro-B USB updatable
  • Can be used in non-amplified, or amplified models
  • Retains balance and fade
  • Pre-Wired for Axxess ASWC-1 steering wheel audio control adapter (Sold separately)
  • Authorized Internet Dealer
  • 1-year Manufacturer's Warranty

Compatible Vehicles

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

  • 2012 Fiat 500
  • 2013 Fiat 500
  • 2014 Fiat 500
  • 2014 Fiat 500L
  • 2015 Fiat 500
  • 2015 Fiat 500L

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
Retains Factory AUX Input
Retains Factory USB Input
Premium Harness Features
Factory System Amplification
Warranty and Return Policy
Parts Warranty Duration
1 year
Labor Warranty Duration
1 year
Warranty Provider

Item Details


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Customer Ratings & Reviews

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Customer Reviews

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Excellent wireing harness

It does what it was designed to do . Made with top of the line material and keeps any engine sound that you would get with an inferior product is non existent !! The quality is as good if not better then Alpine , Fosgate , Kicker , ect..... Not to mention the top notch service that Sonic provides . Fat shipping and professional assistance !! Will ONLY use Sonic for my future car audio needs .

By Freddy Krueger on March 30, 2015


found this helpful.

Simple Install - Works great

Just plug and play. Installed in my 2013 FIAT 500 and the factory computer recognized it right off. Harness was great and a real time saver. This is the only way to do it RIGHT

By Anonymous on May 14, 2019 Checkmark Icon Verified purchase


found this helpful.

Easy easy easy

Just connect all the similar colors together, and connect the harness to the car. Shouldn't take more than 30 minutes to set up.

By Clemente on July 1, 2020 Checkmark Icon Verified purchase


found this helpful.

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