PAC AAI-GM9 Audio Input Adapter

Replaced my factory stereo with aftermarket Double Din. No longer need this. I used it to add both an Aux port, and to connect a rear ceiling mounted DVD player to the factory sound system. The included switch toggles between inputs. From the PAC Website: Add an audio input to your nineteen-ninety to two thousand and five General Motors factory radio. Connects to the 9-pin auxiliary input port on the back of the factory radio. Provides two pairs of stereo inputs. Requires factory auxiliary source such as a console or dash-mounted cassette, CD player, or console-mounted CD change The plug-and-play installation maintains factory wiring integrity Provides two stereo audio inputs Direct audio input to factory radio for maximum sound quality.