Download 1999 Chevrolet Corvette Antenna Mast Service Manual – REMOVAL PROCEDURE The power antenna is serviced as a complete unit only, however an antenna (mast) which has been bent or broken can be replaced, rather than replacing the complete power antenna. 1. Using the socket (1) provided with the antenna (mast) service kit, remove the antenna mast nut (2). 2. Turn the ignition to the ACC or ON position. 3. Turn the radio ON to raise the power antenna. IMPORTANT: Prior to complete removal, note the orientation of the serrated side of the antenna mast plastic cable (5). The antenna mast plastic cable (5) will likely coil back once removed, take precautions to avoid grease splatter on the vehicle. 4. Remove the antenna mast (4) with the contact spring (3). It may be necessary to gently pull the mast up by hand to release and remove. 5. Turn the radio OFF. 6. Turn the ignition OFF. INSTALLATION PROCEDURE 1. Turn the ignition to the ACC or ON position. 2. Turn the radio ON. 3. Insert the replacement antenna (mast) plastic cable (5) into the power antenna housing, with the serrated side of the cable facing slightly forward and toward the RH side of the vehicle.