× 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: Tachometer & Warning Lights
Posted to Technical Discussion Forum on 6/4/2016 4 Replies

[...trimmed text...]

David, no, this is not correct. Almost all the PCM commanded alternators have residual magnetism in the rotor, and they are designed to self excite when there is a PCM control problem. Some will even... Login to read more.

4 Replies Received (View Replies)