This 2008 Silverado came in for what appeared to be a simple bad BCM (Body Control Module) issue, boy was I wrong about it being simple... It's a long video but I wanted to show you my process to find the source of the issue and try to teach you my testing method.
The Stackable Test Leads and Banana Ends for light bulb pigtails can be found on my Amazon page here
https://www.amazon.com/shop/automotivediagnosticsprogramming
#diagnostics #autorepair #scantool