For 1990-2009 cars

1. Cellular Antenna (Sedan)
2. Microphone
3. Global Positioning System (GPS) Antenna
4. Inside Rear View Mirror with OnStar®
5. Radio
6. Connector In-Line to I/P Harness
7. Connector In-Line to Rear of Vehicle (I/P/Onstar® Body)
8. Communications Interface Module (CIM) Sedan
9. Connector Onstar® In-Line to Body Harness
10. Cellular Antenna (Wagon)
11. Communications Interface Module (CIM) - Wagon CIM located below the load floor
12. Onstar® Ground