2001MACKCL Posted November 9, 2012 Share Posted November 9, 2012 I have a 2001 Mack CL 713 and I am having an issue with the electronic malfunction light. The speedometer is not functioning. When I hit the cruise control the lights flash four times, pauses then the electronic malfunction light comes on. Any suggestions on what the problem is? I bought the truck used and do not have a manual for it. Quote Link to comment https://www.bigmacktrucks.com/topic/28252-electronic-malfunction-light/ Share on other sites More sharing options...
41chevy Posted November 9, 2012 Share Posted November 9, 2012 I would check the speed sensor on the trans tail shaft. Not signal= no speedometer or cruise control. Paul Quote "OPERTUNITY IS MISSED BY MOST PEOPLE BECAUSE IT IS DRESSED IN OVERALLS AND LOOKS LIKE WORK" Thomas Edison “Life’s journey is not to arrive at the grave safely, in a well preserved body, but rather to skid in sideways, totally worn out, shouting ‘Holy shit, what a ride!’” P.T.CHESHIRE Link to comment https://www.bigmacktrucks.com/topic/28252-electronic-malfunction-light/#findComment-145201 Share on other sites More sharing options...
2001MACKCL Posted November 9, 2012 Author Share Posted November 9, 2012 Paul- Thanks a lot for the input...I'll have to check that out. I know the 4 flashes is a code, I just don't know for what. Thanks again. Quote Link to comment https://www.bigmacktrucks.com/topic/28252-electronic-malfunction-light/#findComment-145217 Share on other sites More sharing options...
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