Dreaming about a short fuse could represent a potential for danger or conflict. For example, if the fuse is burning or about to explode in the dream, this could suggest that there is a situation or relationship in your waking life that is volatile or at risk of causing harm.
In some cases, the fuse in a dream could also symbolize your own emotional state. For example, if you are trying to repair or replace the fuse in the dream, this could suggest that you are feeling overwhelmed or out of control in your waking life.
Or if you are able to successfully repair or replace the fuse in the dream, this could indicate that you are feeling capable and in control of your emotions in your waking life.