I second that guess. I believe it bolts from the steering column dash support to one side of the wiper motor.

This is from the Assembly Manual. I couldn’t find it specific to a COE and it’s showing a RD (right hand drive), but it should be reversed for a left hand drive.
Attachments
IMG_1056.jpeg (191.98 KB, 47 downloads)
Wiper bracket location

Phil
Moderator, The Engine Shop, Interiors and Project Journals

1952 Chevrolet 3100, Three on the Tree, 4:11 torque tube
Updated to: ‘59 235 w/hydraulic lifters, 12v w/alternator, HEI, PCV and Power front Disc Brakes
Project Journals
Stovebolt Gallery Forum