× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Re: 2003 Silverado P1518
Posted to Technical Discussion Forum on 7/24/2017

Can you tell me which signals are which? I am guessing that the blue and green are the data lines and red power and brown ground on the TAC module. Login to read more.