bulldogrider Posted June 30, 2011 Share Posted June 30, 2011 I noticed when the truck is cold they don't come on and I noticed only the engine oil tem gauge gets to about 150F the lights come on. I don't know how to read codes and what do I need to read them, it's a 1993 ch613 mack. And by the way soon the truck cools down the lights go off any help will be appreciated. Quote Link to comment Share on other sites More sharing options...
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