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You can find your 1999 Ford Expedition front windshield wiper fuse in the fuse box. The windshield wiper fuse will be in the second column, fourth from the top.
The windshield wiper relay switch, on your 1999 Cadillac Deville, are located mounted to the firewall in the engine compartment. The relay switch will be next to the windshield wiper motor.
for $20 you can buy a coplete teardown book on your car at advance auto parts
? wiper switch toyota camry 1999 replace
where is the relay for wind shield wiper moter located in a 1999 Toyota Camry
It is under the cowl at the base of the windshield. You will have to remove the wiper arms and the cowl cover to access.
The 1999 Infinity I30 takes a 22" driver side wiper blade and a 21" passenger side wiper blade. However, when buying windshield wiper blades be sure to always use the application guide book at the store
Take it out with your muscle.
The windshield wiper motor is under the front cowl. After removing the cowl the motor should be easily accessed for replacement.
The 1999 Chevrolet Suburban takes 18" replacement windshield wiper blades on both sides front and a 13" rear wiper. See sources and related links below for more information.
There are screws on the base of the wiper (beneath black caps) loosen them, reposition the wiper then tighten the screw.
You take it to autozone and they will show you