Took the dash out of my 77 Ford F100 shortbox today. Found this electrical component on the drivers side up in by the parking brake release. I have no idea what it does. Doesn't seem to be anyplace to plug it in. This truck has been screwed with a lot over the last 35 years. I know it was a standard 4 speed at one time due to the hole in the hump. Anybody recognize it? Do I need it.
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