Help me please. My son installed a battery into his 99 ford escort. However he attached neg to pos and pos to neg. Can this fry out the alternator. Or could it simply be something electrical. There was a wire left off, going to somewhere. And a black wire coming from the internal fuse box.
Every vehicle has a main fuse, or fusible link to avoid damage to electrical components. Check EVERY fuse under the hood, and inside the vehicle. Chances are the Main fuse (usually 80-120 AMP) is blown, and possibly a couple others here and there. If the vehicle has fusible links (a loop, or section of wire specifically made to burn away), then replace them with new ones. I don't know where the other wires are you are referring tobut if you don't know where they go, hit a junkyard, and use the same type of vehicle as a reference.
The alternator and other components might be fried also, have a mechanic check everything
Attaching the battery incorrectly isnt going to harm anything unless your jump starting the vehicle, then you fry all sorts of stuff connecting wrong ends.
yes it can damage alot of things not just the altenator have an electrical diagnosis done on it.
