Engine Brake Trouble?
Well, try this!
Click here for Jake Brake® Troubleshooting Information.
Note: File is 2.4MB and is applicable to engine brakes made from 1961 to approximately 1997
(ECM implementation varies with manufacturer).
For engine brake electrical troubleshooting on engines with ECM's, refer to your engine service manual.
Manual does not apply to exhaust brakes.
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