× 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: '81 GMC van Electronic Spark Control Questions
Posted to Technical Discussion Forum on 11/1/2000

[...trimmed text...]

Steve: Disconnecting the four wire connector and jumping terminal A [BLK wire] and terminal C [GRN Wire] together was a percedure done in the sevice manual to bybass the ESC module. This was done to d... Login to read more.