Ateam Posted August 5, 2020 Share Posted August 5, 2020 I got a truck with a mp7 epa04. im looking for the ecm interface plug pinout. It has the small 16 pin like a e7 engine and all the diagrams i have from mitchell and on motor are for the newer ones with the bigger interface plug the pugs in above the ecm. Thanks Quote Link to comment https://www.bigmacktrucks.com/topic/63619-2007-ctp713-with-epa-04-emissions-mp7/ Share on other sites More sharing options...
Maxidyne Posted August 5, 2020 Share Posted August 5, 2020 Sounds like you have one of the late 2006 build trucks with the new for 2007 model year Volvo engine but with 2004 emissions. You may have to do some digging to find the correct service info for your truck. Has your Mack dealer been any help? Quote Link to comment https://www.bigmacktrucks.com/topic/63619-2007-ctp713-with-epa-04-emissions-mp7/#findComment-457719 Share on other sites More sharing options...
Ateam Posted August 5, 2020 Author Share Posted August 5, 2020 Yes thats what this truck is. Build date 3/07, First mp7 i ever seen with only a egr for emissions on it. Mack dealer will not help with schematics or fuse/relay diagrams. Says its against company policy The truck cranks but will not fire off. Im not sure what wires need power and ground. Could be the ecm is gone, but with out confirming wiring i dont want to throw an ecm on it. Tech tool is no help either, It tells me to check fuse 38 or it has a short to ground. Doesnt give me any thing more than that. ive been diggin everywhere i can think of for schematics and come up short. Quote Link to comment https://www.bigmacktrucks.com/topic/63619-2007-ctp713-with-epa-04-emissions-mp7/#findComment-457731 Share on other sites More sharing options...
Mark T Posted August 5, 2020 Share Posted August 5, 2020 I have them. Are you sure a fuse isn't blown or something simple ? Engine harness plug down by fuel filters was a popular trouble spot. Was the VECM changed ? Look for the easy (cheap) stuff first. Like I said, engine harness plug is a good starting point, but it's not easy to see or spot a broken wire. Quote Link to comment https://www.bigmacktrucks.com/topic/63619-2007-ctp713-with-epa-04-emissions-mp7/#findComment-457752 Share on other sites More sharing options...
Ateam Posted August 7, 2020 Author Share Posted August 7, 2020 Ecm was bad swapped it out with another now it runs. Quote Link to comment https://www.bigmacktrucks.com/topic/63619-2007-ctp713-with-epa-04-emissions-mp7/#findComment-457896 Share on other sites More sharing options...
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