The hole is 1 3/8”. On the door it’s in the middle of the square pad. On the jam I’m not sure but it may have a dimple where you need to drill. Here’s a picture of mine on the driver side. You might get some idea from the location of the light switch in the jam.
Just an update. Using the supplied photo I looked at the jams and doors and I can see a dimple at the correct drilling locations. This made it easy to locate the holes correctly and drill them with a step drill. :thumbsup:
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