× 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: Mahle alternator questions
Posted to Technical Discussion Forum on 12/4/2025

Louie, make that test light bulb an 1889 bulb. cold r is 5.4 ohms or that is the # I got. Login to read more.