Ignition relay is probably shot. It is in the power distribution block in the motor comprtment.
Relay being activated
The cruise control relay on a 1994 F150 is operated by a switch behind the horn pad and airbag on the steering wheel. The switch will probably need replacement if the cruise control in your vehicle is malfunctioning.
There is a backup light switch on the transmission.
Posible relay problem
The 2005 Ford F1 50 flasher relay switch is located below the dashboard on the drivers side of the passenger compartment. The flasher relay switch should be labeled as such.
Behind the glove box.
Under dash in fuse panel; Relay Switch #2 (On left, second from top)
how to relace a door jamb switch in a 1994 f150
To replace the ignition switch on a 1993 Ford F150, first disconnect the negative battery cable to prevent any electrical issues. Remove the steering column cover by unscrewing the screws, then locate the ignition switch, which is usually mounted on the steering column. Disconnect the wiring harness from the old switch, unbolt it, and install the new ignition switch in the reverse order, ensuring everything is securely reconnected before reassembling the column and reconnecting the battery. Finally, test the new switch to ensure it functions properly.
location of flasher relay ford 150 2004
You may have a electrical short in your ignition switch or in your fuse relay box,check to see if any water may have gotten into the fuse box relays.