× 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: 1989 Ranger strange (stray?) voltage code 54
Posted to Technical Discussion Forum on 5/6/2004

Hi Donald,

I would suggest that the next time this happens, to take the ECM out of the picture while the high voltage is on the line. This would take any chance of a wiring problem out of the picture (look for the voltage drops to 0 when the ECM is disconnec... Login to read more.