It's spring TV ratings sweeps, so one of the local TV stations consumer action reporters did a story (hardly original, judging by Google search hits) on the horrors of rats and other rodents feasting ...
When I worked for Honda as a tech...retired in '08 we had a lot of chewed wires, mostly the red ones. Our provincial auto insurance(ICBC) would cover it under comprehensive. My dealership was out near farm land and I would get a harness repair about 2-3 times a week. Most common was the knock sensor on the V6 and of course it was the hardest to get to.