Awesome, thanks for the info! 11C/15 was indeed blown. After replacing it I have headunit power...though no audio. The other fuses (including the trunk one) were fine. I will continue to check around. Any further guesses as to the new culprit?

Hello all, I had a bad diode in my alternator that was draining the battery quickly when the car was off. I've replaced the alternator and battery, but now the radio isn't powering on. It's the HU-611 head unit. With the car on I already tested the harness, and it is getting 11.5V. The display reads...