× 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: Should O2 reference low be isolated from ground?
Posted to Technical Discussion Forum on 5/11/2012 1 Reply

[...trimmed text...]

OK. Now, school me. If the ref lo is attached to ground, how does the switch "switch?" If the ref lo was tied to the signal return (Ford term) wouldn't it always be "grounded" and wouldn't it always ... Login to read more.

1 Replies Received (View Replies)