Q: How to remove and install an antenna mast and cable on Chevrolet Avalanche,Silverado,Suburban,Tahoe,GMC Sierra,Yukon,Yukon Denali and Yukon XL?
A: To remove the antenna mast mounting base and, remove the antenna mast and cowl cover, then unbolt the mounting base and remove the trim panel. To attach the new cable, get a wire and pull it through the grommet for installation. Installation is the reverse of the removal.