Connects an Aftermarket Receiver to Factory Plug on Select 1988-2002 GM Vehicles. 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 60 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.