Metra LC-GMRC-01 GM Class 2 Data Bus Interface Provides 12V DC 3A accessory outputBuilt in speaker retains warning chimesDesigned to be used in non-amplified GM vehiclesRetains all the factory warning chimes that would be lost when the OEM radio is removed Metra Axxess ASWC-1 Universal Steering Wheel Control Interface One interface does it all. No additional interface needed.. LC-GMRC-01 INSTALLING THE LC-GMRC-01 1. With all connections completed reconnect the negative battery terminal. 2. Plug the LC-GMRC-01 into the vehicle and into the radio. 3. Cycle the key by turning the ignition on then back off, then on again. TESTING THE LC-GMRC-01 1. Turn the radio on and test for proper balance and fader operation. 2.
The LC-GMRC-01 is designed to be used in non-ampli-fied GM vehicles or in vehicles that the OEM amplifier has been bypassed; Onstar is not retained in either case. The LC-GMRC-01 retains all the factory warning chimes that would be lost when the OEM radio is removed. It will also provide a 3 amp 12 volt switched. The LC-GMRC-01 is designed to retain this feature. 10-Pin to 24-Pin Harness: The wiring harness has a white 10-pin female connector (4 pins present) on one end and a gray 24-pin male connector (14 pins present) on the other end. The 10-pin connector plugs into the LC-GMRC-01 and the 24-pin connector interfaces with the existing factory plug.