× 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: 6.4L Part Time Runs Bad
Posted to HD/Fleet Forum on 7/28/2020 1 Reply

Look between the engine and firewall on the drivers side. There should be a large grey wire harness connector. Disconnect it and use a contact cleaner on it. I have had moisture intrusion issues with this connection in the past and none of the readings on the ... Login to read more.

1 Replies Received (View Replies)