Good day!

Another question of mine regarding my diagram on trunk release.

Thisis my current setup.



However, I have seen an automotive trunk release with the negative wire or ground wired like this:



Some have switch wired on the negative wire not on positive. Am I doing it wrong?

 

That's what I meant earlier. Neither design has current flowing in the non-working condition.

 

Some have switch wired on the negative wire not on positive. Am I doing it wrong?

No, either way will work.
The top requires only one wire to the trunk, with the other provided by the chassis ground.