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Review on πŸ“» Metra 40-GM21 GM Radio Antenna Adapter with Connector, Barbless Design by Duane Mann

Revainrating 5 out of 5

Great back-to-micro adapter for use with GM factory radio

Works as needed. I added an iSimple built in antenna FM modulator and needed it to reconnect to the factory GM radio. I got another adapter that went from a micro plug to a standard jack, then to an FM box, then through a standard plug to this adapter back to a mini jack on the back of my GM radio. Works perfectly! Using this on my 2001 Grand Am.

Pros
  • Rugged construction
Cons
  • Non-automatic