AS IS……..This Shroud Compatible with:\nCadillac Escalade, 2002-2005\nChevy Silverado 1500, 1999-2013\nChevy Silverado 1500 Classic, 2007\nChevy Silverado 2500, 1999-2013\nChevy Suburban 1500, 2000-2006\nChevy Tahoe, 2000-2006\nGMC Sierra 1500, 1999-2013\nGMC Sierra 1500 Classic, 2007\nGMC Sierra 2500, 1999-2000\nGMC Yukon, 2000-2006\nGMC Yukon XL 1500, 2000-2006\n\n12\" Fan Spec:\nMaximum Fan CFM: 2300±200\nFAN Diameter: 12.05\" X 12.05\" X 2.5\"\nNumber of Blades: 10 blades (Plastic)\nAmp Draw: 12.70 amps\nMaximum Fan RPM: 2250 rpm\nIncludes the Mounting Tabs for an Easy Zip Tie Installation\n\nThermostat Relay Kit Instructions:\n* Activates by grounding electric fans at preset temperature.\n* 180'F/165'F turn on/off temperature.\nRED + connect directly to battery.\nWHITE wire to ignition switch power source.\nBLACK goes to thermos switch.\nBLUE wire goes to the Fans