Yes, they do. The older ones had a starter solenoid, but all of Ford's new ones have a starter relay.
The starter relay is inside the starter. You will need to replace the starter.
# 6 is the starter relay in your power distribution box
wireing of starter relay
The starter relay is a part of the starter on a 2000 Ford Focus. It is located under the hood, and on the right side of it if you are facing the car.
On a 2001 Ford Focus : In the passenger compartment fuse panel : ( relay # 17 is the starter relay )
The Escort doesn't have a starter relay. It has a solenoid on the starter that handles the heavy amperage.
On a ( 2006 ) Ford Focus the R17 relay is the starter relay
The 1991 Ford Explorer should have a separate starter relay that sends power to the starter. It sounds like the relay has stuck and is sending power to the starter even after the vehicle is running.
Follow the + battery cable - should connect to the starter solenoid (relay)
where is starter relay located on 03 crown victoria ======================================================== On a ( 2003 ) Ford Crown Victoria : The starter relay is located in the Power Distribution Box ( which is " live " ) located in the engine compartment . It is the ( # 302 relay , one of the four large relays )
+ battery cable should be connected to relay