Hole in Factory Tachometer?
Hi
I am new to the 67-72 Chevy forum, but a long time owner of multiple of these trucks.
I am installing a factory tach in my 1970 longbed, I noticed this hole on the top of the tach housing.
Before I install it I want to make sure this hole is not for a light or something else.
Any info would be much appreciated!
Trip
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