× 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: 6.7 isb exhaust brake cm 2350
Posted to HD/Fleet Forum on 3/27/2024

If they are sister buses and all the "switches" are in the same position try swapping the whole switch pack assy. When you turn on the switch does the light on the switch blink? If it has a slow blink, 1 per second, an interlock has not been met. Fast blink, 2... Login to read more.