Ripper Posted December 9, 2013 Share Posted December 9, 2013 Got a truck in the shop the boss wants me to get hooked up to and we don't have any wiring schematics anybody got any ideas about these trucks. This ole truck was a cement truck at one time I am sure some cut something they wasn't supposed to but not to sure where to start looking. Quote Link to comment https://www.bigmacktrucks.com/topic/33810-mru-613-no-communication-with-computer-hook-up/ Share on other sites More sharing options...
Challenger Posted December 9, 2013 Share Posted December 9, 2013 Are you using TechTool to hook up to the truck? Quote Link to comment https://www.bigmacktrucks.com/topic/33810-mru-613-no-communication-with-computer-hook-up/#findComment-220602 Share on other sites More sharing options...
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