Just bought a 97 Tahoe 4wd that has a lot of electrical issues. The first one I am trying to solve is the engine #1 fuse blows as soon as you put a fuse in it. (located under the hood) I have an electrical schematic but not sure the best way to solve this. Could a sensor short out and cause this short? Anyone have this problem and solved it? Looking for some guidance, any help would be greatly appreciated