If you purchase from someone like Crevier, you be looking at:

61.12.6.913.957 Old to New style radio wiring harness ($33.20)
61.12.6.913.955 Old to New style radio antenna harness ($12.20)
61.12.6.924.785 Old to New style audio input adapter ($15.00)
61.12.0.140.716 (6 foot) 6 wire CD Input cable ($13.12)