Manuals through 2025 now available!
Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.
LEMON is the logical successor to CHARM, I recommend you try it!
Link:
lemon-manuals.la
Vehicle Speed Sensor: Description and Operation
Vehicle Speed SensorFor F-Series and Excursion, the
VSS signal is generated by the Generic Electronic Module (GEM). The GEM generates VSS from a
speed sensor on the rear axle.