I was sitting in my dead great uncles truck and needed gas, but was trying to find my ex wife and was worried I wouldn't have enough gas to find her.
Dreams are often symbolic representations of our emotions, fears, and experiences. In this dream, sitting in your dead great uncle's truck symbolizes a connection to the past or memories that you may be revisiting. Needing gas could signify a need for energy or motivation in your waking life.
Searching for your ex-wife may represent unresolved emotions or unfinished business related to your past relationship. It is possible that you still hold some concern or uncertainty about this connection and fear that you may not have enough resources to find closure. Alternatively, it could also indicate a longing for the comfort and familiarity that your past relationship provided.
Overall, this dream may suggest that you are yearning for resolution, closure, or guidance in regards to a past relationship. It might be beneficial to reflect on these emotions and consider seeking closure or addressing any remaining concerns to find peace and move forward.