Rockford Fosgate HRN-DSP-CH3 DSR1 Chrysler T-Harness

The Rockford Fosgate HRN-DSP-CH3 is a vehicle-specific DSR1 installation T-harness for select Chrysler-family vehicles with non-amplified factory audio systems. It provides the connection path needed to integrate a Rockford Fosgate DSR1 digital signal processor while retaining the factory radio. This harness is intended for compatible Chrysler, Dodge, Fiat, Jeep, and Ram applications from 2013 and newer.

It is designed for owners who want to add DSP-based audio processing and an aftermarket amplifier without replacing the factory head unit. The vehicle-specific T-harness approach helps avoid extensive cutting or splicing into the original radio wiring. This can make an OEM-audio upgrade cleaner and easier to service later.

The HRN-DSP-CH3 is a passive integration harness, so it does not create amplification, equalization, or sound on its own. Its role is to route the required vehicle connections to the separately purchased DSR1. Audio character and system output ultimately depend on the DSR1 tuning, amplifier, speakers, and installation quality.

Rockford Fosgate designed this harness for non-factory-amplified systems, making correct vehicle and audio-system verification important before purchase. It is not a universal wiring adapter and should only be used where the applicable iDatalink vehicle compatibility information confirms fitment. Factory wiring integrity is maintained through its purpose-built connector arrangement.

In a complete upgrade path, the HRN-DSP-CH3 works between the compatible factory audio system and a DSR1 processor, with an aftermarket amplifier added separately. It supports a more integrated installation than hard-wiring a processor into the vehicle harness. The result is a practical foundation for retaining the original radio while building a more configurable amplified audio system.

Key Features

• Vehicle-Specific T-Harness: Connects a DSR1 in select Chrysler-family vehicles.
• Non-Amplified System Fitment: Intended for vehicles without a factory amplifier.
• DSR1 Integration: Designed specifically for use with the DSR1 processor.
• Factory Wiring Retention: Helps preserve the vehicle's original wiring integrity.
• Cleaner Installation Path: Reduces the need for extensive wire cutting.
• Aftermarket Amplifier Ready: Supports a system build using a separate amplifier.

Design & Installation

The HRN-DSP-CH3 uses vehicle-specific connectors in a T-harness layout for integration with compatible factory radio wiring. Its black harness assembly is designed to provide an organized connection method rather than a universal splice-in solution. The design focuses on maintaining factory wiring integrity while creating the required DSR1 installation interface.

Verify the exact vehicle, model year, factory audio configuration, and lack of a factory amplifier before installation. The Rockford Fosgate DSR1 is required and sold separately; an aftermarket amplifier is also separate when building a complete amplified system. Professional installation is recommended for secure routing, proper DSP configuration, and correct amplifier wiring.