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Two small black electronic modules with wiring connectors visible

Maestro Luggage

Maestro ADS-MRR2 Module & HRN-RR-FI1 Adapter 2012-15 Fiat 500

SKU CH-38PG-AH1JK

Interface module and wiring adapter that let you fit an aftermarket stereo in a 2012-15 Fiat 500 while keeping the factory steering-wheel controls and amplifier

  • TypeInstallation Parts
  • FeaturesAllows installation of a new car stereo in select 2012-15 Fi
  • Install a new stereo in 2012-15 Fiat 500
  • Keep steering wheel audio controls working
  • Retain factory amplifier if equipped
  • Works with many 2006-up vehicle brands
  • Integrates with select Kenwood, Alpine, Pioneer, Sony, JVC receivers

Fiat 500 stereo integration kit

This Maestro ADS-MRR2 module paired with the HRN-RR-FI1 adapter enables installation of an aftermarket head unit in select 2012-15 Fiat 500 trims. The combination preserves factory steering wheel audio controls and retains the original amplifier when present. It also maintains convenience features such as Uconnect with compatible Kenwood, Alpine, Pioneer, Sony and JVC touchscreen receivers.

Compatibility check before ordering

Confirm that your vehicle is a 2012-15 Fiat 500 trim covered by the HRN-RR-FI1 harness. The ADS-MRR2 module requires this vehicle-specific adapter to function, so both parts must match your exact model year and trim level. Verify that your chosen aftermarket receiver is listed as compatible with the Maestro platform for full feature retention.

Extended operation behaviour

The interface module maintains continuous communication between the vehicle data bus and the new head unit during long drives. Steering wheel button signals, amplifier turn-on and retained convenience features remain active without interruption. The wiring adapter provides a permanent, solder-free connection that resists vibration and temperature cycles inside the dashboard.

Highlights

  • Install a new stereo in 2012-15 Fiat 500
  • Keep steering wheel audio controls working
  • Retain factory amplifier if equipped
  • Works with many 2006-up vehicle brands
  • Integrates with select Kenwood, Alpine, Pioneer, Sony, JVC receivers

Specifications

BrandMaestro
TypeInstallation Parts
FeaturesAllows installation of a new car stereo in select 2012-15 Fiat 500 trims

Questions about this item

Does the box include the wiring harness for my 2012-15 Fiat 500, or must I buy it separately?

The package contains both the ADS-MRR2 interface module and the HRN-RR-FI1 adapter harness specifically for select 2012-15 Fiat 500 trims.

My trim is a 2012-15 Fiat 500 — is the HRN-RR-FI1 the correct adapter for this model?

Yes, the HRN-RR-FI1 is the vehicle-specific harness designed for select 2012-15 Fiat 500 trims to connect the ADS-MRR2 module.

After fitting the module and adapter, will my steering wheel audio controls still work with the new stereo?

The ADS-MRR2 module retains the factory steering wheel audio controls when paired with the correct harness and a compatible Kenwood, Alpine, Pioneer, Sony or JVC touchscreen receiver.

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