Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I need help im half way on a 07 pete 379 originally acert
I need help im half way on a 07 pete 379 originally acert put lower comp piston packs, switched harness to bxs 70 pin with repinned plug to 6nz and 70 pin ecm with 7cz file and motor works just no gau… read more
Justin
Justin
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Vocational, Technical or Trade School
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I'm having an intermittent loss of power to the ECM I think.
I'm having an intermittent loss of power to the ECM I think … read more
Andrew G.
Andrew G.
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I have a 3406 in2003 Pete 379. No power to pin 21. Need to
I have a 3406 in2003 Pete 379. No power to pin 21. Need to know where it gets it's power from. … read more
Nich1019
Nich1019
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I have 2012 367 Peterbilt with isx Cummins but it's original
I have 2012 367 Peterbilt with isx Cummins but it's original engine and would like to replace it with c15 6nz is there conversion kits available … read more
Mike Mcmillan
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I have a 2003 c12 in a Peterbilt. The driver said that it
I have a 2003 c12 in a Peterbilt. The driver said that it lost power and died once. He got it going again and drove it to the job site. I changed the primer pump … read more
Cat Man
Cat Man
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I have an 03 pete 379, mechanical speedometer and odometer
I have an 03 pete 379, mechanical speedometer and odometer quit registering, tach works. What is needed to fix? … read more
Wayne
Wayne
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2002 379 pete c15 6nz cat .engine will not start without
2002 379 pete c15 6nz cat .engine will not start without either . has new fuel pump new injectors new cam and crank sensors new engine wiring harness new check valves new filter housing, new ecm. Has … read more
Edward Haniewski
Edward Haniewski
General Studies/Automotive
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My 2005 Pete with a C15 won't start. I get no clicking in my
My 2005 Pete with a C15 won't start. I get no clicking in my valve covers for the fuel rail system. Ecm checks out good. I have fuel pressure after cranking in the return behind filter. … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 2007 Peterbilt, had a MXS Accert changed out cat
I have a 2007 Peterbilt, had a MXS Accert changed out for 6nz cat .how can I use my 2007 engine oil temp gauge MXS had no sending unit for this.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,863 satisfied customers
Yesterday my speedometer, odometer, voltage gauge and
Yesterday my speedometer, odometer, voltage gauge and instrument light cluster stopped working. Checked fuses and relays in fuse box as well as relay directly behind gauges. Could not resolve the prob… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,863 satisfied customers
Mr. Cat Man, I have a 6NZ cat in a 379 peterbilt. None of my
Mr. Cat Man, I have a 6NZ cat in a 379 peterbilt. None of my check engine lights and stop engine lights illuminate when the engine runs hot or when I unplug any sensor,, however they do throw faults o… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I just swapped out my cat c13 acert engine in my 05 pete
Hey Tim, I just swapped out my cat c13 acert engine in my 05 pete 379, and replaced it with a c15 6nz engine, both were 70 pin on the harness. it will crank, but only fire on ether. of course it dies … read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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Have a c15 2007 same deal fuel delivery is good will crank
Have a c15 2007 same deal fuel delivery is good will crank over just will not fire up owner drove truck to location shut it off did his farming and truck will not crank up now… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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I am looking wiring schematic. I just took out an SDP
I am looking for a wiring schematic. I just took out an SDP and replaced it with a 6NZ. I need to know how the cab connector harness needs to be rewired for the older engine to communicate with the mu… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
14,863 satisfied customers
Can a Cummins ISX from an international prostar be installed
Can a Cummins ISX from an international prostar be installed in a peter built 379. The pete is a 2005 egr,- The international is a 2009 erg only (order date was 2006) neither truck has a burner. Thank… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Hi Cat Man I am needing some help. I bought a truck with a
Hi Cat Man I am needing some help. I bought a truck with a SDP acert with broken rockers and housing. I replaced all those parts to find low power and was unhappy with engine I never drove an acert so… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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Hi I have a 2007 peterbilt 379 with a c15 accert in it nxs.
Hi I have a 2007 peterbilt 379 with a c15 accert in it nxs. Will a 2000 6nz fit in it with out major modifications?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
2000 379 pete c15 cat need wiring diagram for ecm got power
2000 379 pete c15 cat need wiring diagram for ecm got power & grownd from battery but no power from switch please help… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

14,863 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

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cumminsdr

cumminsdr

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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