Satellite radio is a common option on many factory-installed car radios. But if you didn't get satellite radio with your 2003 GM vehicle, you're not out of luck. Aftermarket tuners specifically designed to integrate with factory-installed radios are available. You'll need specific pieces of gear to wire a satellite radio to your 2003 GM factory radio; but when you're done, you'll have a fully-integrated satellite radio that will be controlled by the GM radio.
Instructions
1. Remove the factory radio from the dash of your car so that you can access the wiring connections in the rear. While the exact tools you'll need to remove the radio vary from vehicle to vehicle, you can usually do the job with a panel tool, screwdrivers and a socket set.
2. Look for a rectangular multi-pin input jack on the back of your factory radio that is not being used. Plug one of the two adapter cables supplied with the Peripheral Electronics GM-11 into the jack on the back -- the exact cable depends on your vehicle.
3. Plug the other end of the cable into the input jack of the GM-11.
4. Connect the adapter cable of the SiriusConnect SC-1 into the input jack of the GM-11. The cables and jacks are specific so you don't need to worry about plugging the cable into the incorrect jack.
5. Plug the other end of the SiriusConnect SC-1 cable into the jack for the SC-1.
Tags: cable into, factory radio, input jack, satellite radio, factory-installed radios