Ammeter to Voltmeter...who does it?

If I ran a 8ga. wire, along with a 12 gauge fusible link, from my alternator output stud to my starter relay stud, this should make bypassing the bulkhead connector no longer necessary, right? If I've correctly understood everything you guys have schooled me on, since electricity follows the path of least resistance, the 8ga. wire will act as a shunt and eliminate the heavy load on the factory wiring, correct?