Home › Forums › Stay Dirty Lounge › Service and Repair Questions Answered Here › Data tools for DIY. › Data tools for DIY. September 9, 2019 at 9:23 pm #894452 Sam RoodmanParticipant Not sure on the Silverado, but if you log in online to your local library and they have a subscription to Ebscohost, the ARRC (THough I think its now called motor something or Auto repair source) has fairly complete wiring diagrams.