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International Automotive Technicians Network
Re: 2003 Silverado P1518
Posted to Technical Discussion Forum on 7/25/2017

Let me add this too This is a GROUNDING ISSUE plain and simple and there are a few other things to check along the way I will cover, but I'll start with the grounding problems first. Start out by disconnecting the battery, both sides, while you work on it this... Login to read more.