The lock on your sliding glass door (if it exists at all) is about as substantial a theft deterrent as a picture of a guard dog. THE QUICK FIX Cut down a broomstick or mop handle to fit snuggly in ...

All Mustang door lock assemblies from '65-'78 are similar in design. There's a latch mechanism and striker at the B-pillar. There are four linear action rods inside the door.