GMC Troubleshooting Questions? Ask a Mechanic for Answers
Hello, my name is***** is a common problem with bad ground G106 located behind the air cleaner. Here is a picture, let me know if you have more questions. Thanks.-https://www.dropbox.com/s/5749or27ixgyqav/g106.png?dl=0-
Just clean, remove G106 and use sandpaper to cleaner both contact points.Let me know if you run into questions, thanks.