Our AD trucks only have one keyed lock. Passenger side. You lock the drivers door (push interior handle forward) slide over exiting via the passenger door and lock. The leading theory I've read is this keeps drivers out of the traffic lane when unlocking the door. Sounds good to me.
RonR
RonR
1951 3600 with Clark flatbed, T5, 4.10 rear
1970 340 Duster
1990 5.0 V8 Miata (1990 Mustang Gt Drivetrain)
1964 CJ5
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