I have a Yukon Denali here that has no sound from Radio. Removed seats and console for access to amplifier. No battery power on the thick red/white wire. jumpered power too it and it works. I've tried to find continuity to Junction box at end of dash, junc...

FIX posted 3/27/2019

iATN Members:
Login to view full TechHelp request
Auto Repair Pros:
Join iATN to read this TechHelp request
Vehicle Owners:
Find a nearby iATN member to repair your vehicle