Your fine, just buy the harness (I think the Metra part number is 70-8590) to do the install. It'll make your life WAY easier. About the best 20 bucks you can spend on the audio system.
__________________ -There are 10 kinds of people. Those who understand binary, and those who do not.
-If we ever forget that we are One Nation Under God, then we will be a nation gone under...Ronald Reagan