I have noticed that both my climate control fan speed and my headlight brightness will not stay consistent through accelerating/breaking. Not really sure if they are connected, but they seem like it. Any idea where to start looking?
When I installed my audio system 3 years ago I also upgraded the main power and grounds under the hood.
Alt+ to Batt+
Batt- to drivers strut tower. This really should be protected with a fuse but the thick casing on welding cable, wrapped in split loom tubing and being inside of the factory...