On the original doors they have nonlocking handles. There is a lock inside on the drivers door. A little t knob. Then you are supposed to slide out and the keyhole I think you are referring to is the lock for the passenger door. So I’m keeping that for originality and attempting to add locking handles on the doors for convenience. The locking handles are for a 38-39 Chevy so I am hoping to figure that out one winter when I tear into the doors. The locking handles are very close to original handles on the outside except for the lock. I’m not sure about inside the door but that may need some creativity


1946 Chevy Truck 216 1/2 ton
"Tales from a weekend mechanic"
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