Metra WM-GM3A Aftermarket Radio Wire Harness and Antenna Adapter for General Motors 88-05

New Metra WM-GM3A aftermarket radio wire harness and antenna adapter is used to connect an aftermarket radio to the OEM radio harness in General Motors in select 1988-2005 models. It is a high-quality harness that is easy to install and provides a secure and reliable connection. The WM-IM1 is color-coded to match the factory wiring. so you can easily identify the correct wires to connect. It also includes a power and ground wire. so you don’t need to splice into the factory wiring.Overall. the Metra WM-IM1 aftermarket radio wire harness is a good choice for anyone who wants to upgrade their factory radio to an aftermarket radio. 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. We are the "Installer’s Choice" because we are installers.

• New Metra WM-GM3A GM Radio Wire Harness and Antenna Adapter
• Comes with harness to fit a variety of General Motors in 1988-2005
• Plugs in the OEM radio wire harness and connects to an after-market radio; Provides power and ground from the OEM radio wire harness and connects to an after-market radio;Provides audio for 4 speakers;Follows EAI color code; Easy installation;Plugs into car harness at radio (21 pin) ;5 inches long ;Fits GM factory antenna Mini barbed or barb-less plug to after-market radio