× 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: Testing Old Jeep Ignition System
Posted to Technical Discussion Forum on 10/16/2025

Greg, the scope pattern that Lou Fort posted of the cj-5 does not look like a hall effect pick up coil. If the pick up on the cj-7 you are working on has three leads then it is most likely a hall effect pick up, which would have a square wave pattern. The outp... Login to read more.