2007 Mack MP7 cranks, no start
08-07-2019, (Subject: 2007 Mack MP7 cranks, no start ) 
Post: #1
2007 Mack MP7 cranks, no start
No communication to engine ecm. Both power wires are good to ecm, all terminals and battery cables are clean and tight. I have read where the fuseboxes go bad but not sure which one(one on top of dash, one by clutch pedal) nor what symptons are to have to replace them. All fuses are good. If won't communicate with mid 128 on the dash, Jpro, or Tech Tool. Any direction someone could give me would be major help! TIA!!
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08-07-2019, (Subject: 2007 Mack MP7 cranks, no start ) 
Post: #2
RE: 2007 Mack MP7 cranks, no start
Total shot in the dark here.... bad ECM ?? Can you verify the ecm is getting power?


User's Signature: Yeah I really am that dumb
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08-07-2019, (Subject: 2007 Mack MP7 cranks, no start ) 
Post: #3
RE: 2007 Mack MP7 cranks, no start
Yes I have 12 volts on both power pins of ecm.
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