'74 GTV 2000 windshield washer bag location?

[Jeff Matson <jsm8@domain.elided>]

Can anyone tell me how and where the windshield washer fluid bag
attaches in the engine bay of my US '74 GTV 2000?  It's been missing
ever since I got the car, and I'd like to get the system working again. 
The fluid hose originates near where the battery would be if it wasn't
in the trunk, but I can't seem to find any mounting points for the bag. 
If it matters, this car has (original?) A/C in it (some of those
components might be in the way?).  Thanks,

Jeff Matson
Harvard, MA
'74 GTV 2000
'91 164 L

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