F 350 2WD Super Duty V10-6.8L VIN S (1999)
Starter Relay: Description and Operation
Automatic Transmission
The starter motor solenoid relay switch:
^
Controls current to the starter solenoid.
^
Is engaged by the ignition switch.
^
Connects the battery to the starter motor.
The digital transmission range sensor prevents starter motor engagement unless the transmission is in the NEUTRAL or PARK position.