The 1994 Chevrolet Silverado has the most common hook-end wiper arms. See sources and related links below for installation videos. Also, purchase the replacement blades first and there will be additional instructions/illustrations on the replacement packages. Locate and press the tab or button where the wiper blade is inserted into the hook of the wiper arm and pull wiper blade out of hook. You may have to rotate and flex the blade to make enough clearance for the hook to pass through.
It's a 20 in. wiper blade
The 1994-1997 Ford Aspire take 20" driver side and 16" passenger side replacement windshield wiper blades.
The 1994-1998 Jeep Grand Cherokee takes 20" replacement windshield wiper blades on both sides front and an 10" or 11" rear wiper blade.
The 1994 Chevrolet Cavalier has 17-inch wiper blades on both sides. It is important to consider not only the size of the wiper blades but also the attachment piece as they vary in size as well.
All 1994-2001 Dodge Ram Series Pickups takes 20" replacement windshield wiper blades on both sides front.
All 1994-2001 Dodge Ram Series Pickups take 20" replacement windshield wiper blades on both sides front.
right under the cover that the wiper blades mount to
The 1994 Dodge Caravan/Grand Caravan takes a 22" driver side, 18" passenger side and 18" rear replacement windshield wiper blades.
The 1994 Lexus Ls400 has fairly standard wiper arms so most replacement wiper blades will have step-by-step instructions. This vehicle most likely has hook-end wiper arm attachments or possibly pin attachments. See videos below.
The 1994 Jeep Grand Cherokee takes 20" replacement windshield wiper blades on both sides front and a 10" or 11" wiper on the rear.
The 1983-1994 Chevrolet Blazer S-10 (sometimes called "Compact Blazer") takes 16" replacement windshield wiper blades on both sides front. The 1989-1994 models also take a 14" rear wiper blade.
The windshield wiper motor is located just below the windshield wiper blades and is covered by a black panel.