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MAESTRO
HRN-HRR-GM3
GM3 T-Harness and chime speaker for 2014-2020 select GM vehicles for use with Maestro RR or RR2 modules. Works with both non-amplified and amplified systems, BUT DOES NOT RETAIN the factory amplifier (must be bypassed). Optional head unit adapters available for most major brand radios.
- allows installation of a new receiver with an iDatalink port in select GM vehicles (also requires the Maestro ADS-MRR or ADS-MRR2 module)
- retains the use of your steering wheel audio controls and warning chimes
- retains OnStar (with Bluetooth), factory backup cam, vehicle customization options
- displays engine performance data on touchscreen
- works with iDatalink's "Head-unit Direct" harnesses, eliminating need for splicing
| Brand | Maestro |
| Material | Acrylonitrile Butadiene Styrene |
| Item dimensions L x W x H | 4.7 x 7.8 x 2 inches |
| Item Weight | 0.6 Pounds |
| Cable Type | bluetooth |
Click here for a list of compatible GM vehicles.
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