I suspected a broken speedo cable. I checked the car today...and the good news is I was right. It IS a broken speedo cable...The bad news, it is broken at the transmission end. I snapped off where the cable end is held by the 10 mm bolt in the transmission. It is even with the surface in there and I have no room to grab it with needle plyers. I am afraid to push it even further in. Any suggestions...?
In the picture below, the cable is missing about 1 inch. It is inside the transmission end...

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J.H.
'86 300E