antenna

My antenna starts out by going up 3/4 of the way then makes a grinding noise and does not go up the remaining 1/4 (it will if I assist it). When I turn the radio off I hear the antenna motor running and nothing happens for the 1st 1/4 (which makes sense as its not all the way up) and then it...

(PART 1 OF 2) My vehicle: 90 Toyota Supra turbo with original 3-piece wing Tools ya need: Permatex RTV, narrow weatherstripping, vice-grips, Phillips screwdriver, set of metric box wrenches or sockets and about 2-3 hours of time. Being a child of the 80's, I like the "old" stuff on our...