Metra 70-2001 Interfaces & Converters Features: General Motors 32 pin harness. Plugs into Car Harness at radio. 32 pin Plugs into Car Harness at radio Power 4 Speaker Dash kits and antenna adapters (sold separately): Dash kits= 99-2001 GM MULTI KIT W/EQ 94-UP ANTENNA ADAPTER= 40-GM10 AFTMRKT RADIO TO GM ANT W/MINI Type: Car Stereo Add-Ons