This is for a small aftermarket 6” fan for my oil cooler. For now, I’m going to wire it with a switch, but may set up a relay later.
The positive wire with a fuse is about 4’. The negative wire run to the interior switch is about 6’.
6'' Inch Small Slim Push Pull Electric Cooling Fan 650CFM Radiator Oil Cooler Mount Kit Universal Black
https://a.co/d/02Wn0XE
This same company has a 12V 80W 10 inch fan with a relay kit, includes a 30 amp fuse. Not to say they are right, but is a 30 amp fuse right?