Freightliner chassis exhaust brake 2003
Hello all, my exhaust brake on my 2003 Discovery has been operating intermittently for the past year. Technicians have been challenged to remedy the problem. The exhaust valve is new 12 months ago an...
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Get a wiring diagram from your chassis maker. The problem is likely in the dash area with the signal not getting to the Allison ECM. There are some relays involved-- one may be going out.
