On my 1999 Mustang GT (Convertible), you need to engage the E-Brake which will then trigger the dashboard parking brake light to go on, and once it's on, the top can go down, or up. However, the assembly has been failing about 9 out of 10 times and I need to try to pull it up, release it, repeat...
Last year I replaced a long-running 351w in my 1966 coupe with a Coast High Performance 408. Classic car, but ultimately its an 80s roller motor, and more Fox/SN95s are running around with CHP motors than classics, hence why I'm putting this here (and probably in the classics too, and other...