The sun will not move when you navigate. But, the sun position - along with lots of other settings - is saved with each 3D view.
So, simply save a few different views (each with a different sun position) and switch views when things seem too dark.
Not sure what you mean about the wireframe....
Karl
One of the forum moderators
AC 28 USA and earlier • macOS Sonoma 14.7.1, MacBook Pro M2 Max 12CPU/30GPU cores, 32GB