Metra WM-GM10

New Metra WM-GM10 is an antenna adapter that allows you to connect an aftermarket radio to a factory antenna in select General Motors vehicles from 1988 to 2008. To install the Metra WM-GM10, simply connect the male connector to the aftermarket radio and the female connector to the factory antenna. Then, connect the power and ground wires to the corresponding terminals on the aftermarket radio. Overall, the Metra WM-GM10 is a good choice for anyone who wants to upgrade their factory radio in a select General Motors vehicle. It is easy to install and provides a secure and reliable connection.Aftermarket radio antenna adapter used to connect an aftermarket radio to the OEM antenna harness to retain use of the OEM antenna. We at Metra always strive to listen to our customers. You have told us to do a better job at telling the Metra story. For over 70 years, Metra has maintained its cutting edge by paying attention to our marketplace and innovating products to fit the needs of the installer.