Localliquid Posted March 14, 2016 Share Posted March 14, 2016 1989 mcr Mack with 300 hp. Engine brake is intermittent. It used to cut out at around 1900 revs but now seems to about 1500 revs. After that it cuts in and out. If some one could tell me where is the sensor located that would be appreciated. Cheers from South Australia . Quote Link to comment https://www.bigmacktrucks.com/topic/44328-engine-brake-switch/ Share on other sites More sharing options...
mrsmackpaul Posted March 14, 2016 Share Posted March 14, 2016 What motor does it have in it ?? A Mack or something else ?? Paul Quote Link to comment https://www.bigmacktrucks.com/topic/44328-engine-brake-switch/#findComment-327447 Share on other sites More sharing options...
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