Where is the AC fuse located on a 1990 Toyota 4Runner?
The fuse box on a 1990 Toyota 4-Runner is located on the inside just in front of the door. Open the cover on the fuse box, and look at the fuse diagram to locate the AC fuse. Gently pull the fuse out, replace with same amperage fuse and make sure the AC works. Replace the fuse box cover.