I've done multiple tests and it is definitely not coming from any other part of my rig. It's looking like I'll have to get the pickup checked out for a break in the winding.
I'm working on a '75 Sho Bud Maverick with a GL E-66 and can't seem to get the ground hum to go away. I have tried re-soldering the connections from the pickup to the input jack and also run an extra wire from the ground of the jack to the changer mechanism and still no luck. Any suggestions? I'm ho...