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.
This reviewer is a member of the Best Buy Tech Insider Network Program. This invitation-only program provides BestBuy.com reviewers with manufacturer-supplied products for the purpose of writing honest, unbiased and usage-based reviews. Outside of receiving products to test and review, Best Buy Tech Insider Network Reviewers are not compensated in any other way.