Wipers clear the view so you can see the road. They are read as the wish for clarity, and broken ones as struggling to see a situation clearly through the rain of feeling.
Has this come up in your dreams before? What was going on in your life then?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.