95 % of the time the nylon cord that moves the antenna up and down gets stripped. The power antenna motor is going to cost about $200.00. The antenna mast is about $40.00 which comes as part of the nylon cord. The motor that drives the antenna must bestill working. The procedure to fix takes about 15 minutes. Remove the nut that secures the antenna and slowly pull the antenna out od the socket. Take the new antenna with the nylon leadand feed it into the socket hole. You can then secure the antenna in place with the holding nut.