Install your existing Maestro RR system quickly and easily with this Maestro GM4 plug-and-play wiring harness. Compatible with a range of General Motors vehicles, this cable kit reduces setup time and simplifies installation. Each Maestro GM4 plug-and-play wiring harness includes a chime speaker, which works with your car’s collision avoidance system.
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- iDatalink Maestro GM4 Plug & Play T-Harness,Chime speaker,User manual