
Veronica's

diagram should do it for you.
Here's some other '67 diagrams, including all wiring, is here:
1967 Mustang Wiring and Vacuum Diagrams
On a stock '67 dash, the Speedometer is on the left and the Tach is on the right.
The attached photo may or may not help you.
BTW, you need to slow down, when you take photos of your dash. 85 mph is too fast!

I hope it zeros when powered up.
__________________
I contend, that for a nation to try to tax itself, into prosperity, is like a man standing in a bucket and trying to lift himself up by the handle.
—Winston Churchill
1967 Mustang Convertible - 289-4V w/C4
1992 Bronco - 302 EFI Auto