c210pa18 Posted September 17, 2022 Share Posted September 17, 2022 This is on a 2002 Monaco Signature ISM 500. It has a two stage exhaust brake. It seems to work as it should about 70% of the time. Can someone describe the circuit. There is a Brake HIgh/Low switch on the left driver panel. It has a momentary contact foot switch which I suppose could be going bad. What is the circuit from there? Is there a Bosch relay somewhere? I presume maybe there is a solenoid or maybe two on the engine. I am trying to trace it out to find where it is failing but do not have a diagram to help with that. Any help would be appreciated. Link to comment Share on other sites More sharing options...
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