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.
Posible relay problem
There is a backup light switch on the transmission.
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
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.
location of flasher relay ford 150 2004
The 1991 Ford Explorer air conditioning relay switch can be found on the firewall in the engine compartment. The air conditioning relay switch will be on the drivers side of the firewall.