I don't think you are really reading these links. The 9th post in the second link I gave you says the following:
Originally Posted by Andy351
Vehicle speed sensor. its tells the computer(s) what speed you are going.
The 10th post says this:
Originally Posted by origin
Vehicle Speed Sensor
88 bronco T-Top, 302. 6 inch suspension lift, 35's.
92 Centurion 7.3idi, Banks non-wastegated turbo, 35's.
82 E350 Cabriolet "Vanchero" 460/C6/4.11posi.
"Never underestimate the predictability of stupidity."
- Bullet-tooth Tony and his friend, Desert Eagle .50