Macktonio Posted November 13, 2017 Share Posted November 13, 2017 Hi, My 2007 Mack Chn613 Won't Start. It all started when I put a new air compressor and then truck ran fine for 15 miles then shut down. Got the Ecm checked and they said it's good. They told me there's an electrical short somewhere but my mechanic hasn't been able to find the problem. Any ideas? Quote Link to comment Share on other sites More sharing options...
Mackpro Posted November 13, 2017 Share Posted November 13, 2017 I'm assuming will crank but no start. If so, with key on, can you read the engine hours on the tachometer? If so the EECU and VECU should be talking back and forth to each other and that's good. Quote Link to comment Share on other sites More sharing options...
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