Yup. Corrosion creates high resistance connections that will heat up and ruin the compression/slip fit of the terminals and then it melts everything around it, all without ever blowing a fuse. I'm okay with the non-electric fan on my DL but it was tough finding a good thermostatic clutch when mine seized up last fall. I ended up finding one at PicknPull from a GL-10. It looked brand new and has been working great.