GM Repair Problems? Ask GM Repair Expert Now.
Hello, my name is ***** ***** I am a professional here at Justanswer. Thank you for your question and I will assist you with your concern.The fuse for you mirrors is the Mir/lock fuse located in the interior fuse panel on the left side of the dash. See the wiring diagram for the mirror circuit in the link below for testing reference. Start first with checking your fuse and if the fuse and if the fuse checks okay the next step would be to check your power in and out of the switch . Have a look and post back if you have more questions and or need more help.https://dl.dropboxusercontent.com/u/104923897/whistling%20%231%20noise%20Aug%208.pdf