New American Dream Dictionary

by Joan Seaman - Tom Philbin
1. Spiritual, emotional and physical energy; ability to re­generate.

2. Time to slow down and take care (broken or slowing dynamo).

3. Professional ambitions and abilities.

Ten Thousand Dream Interpretation

by Gustavus Hindman Miller
To dream of a dynamo, omens successful enterprises if attention is shown to details of business. One out of repair, shows you are nearing enemies who will involve you in trouble.

The Complete Dream Book

by Gillian Holloway
A dynamo, or even a small electric generator, seen in a dream is a portent of pleasant happenings to come in the near future.