Idatalink Maestro HRN-DSP-GM3 Plug and Play T-Harness for select Buick, Cadillac, Chevrolet and GMC vehicles without factory amplifiers. Greatly simplifies the addition of the DSR1 and amplifiers.
T-harness for adding a R-Fosgate DSR1 processor to select 2014-up Chevy and GMC vehicles without a factory amp.
Vehicle-specific T-harness for adding a DSR1 DSP.
This Idatalink HRN-DSP-GM3 harness connects a DSR1 digital signal processor and an Idatalink Maestro ADS-MAR Amplifier Replacement Module (both sold separately) to your Chevy or GMC vehicle with no factory amp, so you can add digital signal processing as well as an aftermarket amp without losing important GM features and functions. This T-harness connects to the factory radio's harness, supplying audio and databus signals to the DSR1's Maestro interface without any wire splicing.
This harness also provides connections to the factory speaker wiring, which you can conveniently use for your aftermarket amp's outputs.
Product highlights:
◾T-harness to add R-Fosgate DSR1 processor to select 2014-up Chevy and GMC vehicles
◾Retain fader control, tone, and other important features and functions
Features
Overview: The iDatalink Maestro HRN-DSP-GM3 T-harness lets you add a R-Fosgate DSR1 digital signal processor and aftermarket amplifiers (both sold separately) to your compatible Chevrolet or GMC vehicle with factory non-amplified sound system. The GM3 greatly simplifies the installation process with one T-harness that ties directly into the factory wiring, providing direct connections to the DSR1 and letting you re-use the factory speaker wires.
Compatibility: The Maestro HRN-DSP-GM3 interface harness is designed to fit select 2014-2019 Chevrolet and GMC vehicles with non-amplified factory sound systems.
What's in the box:
◾iDatalink HRN-DSP-GM3
◾40" T-harness w/ inline fuse holder (installed 7.5A mini ATC fuse)
◾4" Turn-on wire (terminated in a Molex pin on one end / bare on other end)
◾Installation instructions

MFR#: HRN-DSP-GM3
IDATALINK MAESTRO ADS-MAR Amplifier Replacement Module is required to for installtion. (sold separately)