Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have 2003 International 4200 truck with VT 365 engine.
I have 2003 International 4200 truck with VT 365 engine. Brand new engine Vin # 3H584178. I need the correct electrical diagnostic wiring schematic and how troubleshoot the IDM relay and Iso relay for… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I would like help determining if I have a computer failure
I would like help determining if I have a computer failure or wiring harness failure. The vehicle is an 04 Sterling serial number 2FZHAZAS34AM65020. The engine is a C12 Cat. Ser. Number MBL 12394. The… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Cat c12 no start. The engine still will not start. I don't
Cat c12 no start. The engine still will not start. I don't believe its getting power to the ecm. When u turn the key switch on the check engine light does not come on. It use to come on when I turned … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
CATMAN 2KS57252 having troubles cranking up.. i have fuel
CATMAN 2KS57252 having troubles cranking up.. i have fuel gauge hooked up and its showing me 70psi while cranking but it wont start unless i spray ether.. then it runs fine.. cut the key off and it wi… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
2002 gmc series with cat 3126b. tachometer not working
2002 gmc b series with cat 3126b. tachometer not working already replaced alternator, repaired cluster, run straight wire from alternator to cluster but still tach not working… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
12 satisfied customers
I have a 2008 f650 w/ c7 cat engine. cruz control switches
I have a 2008 f650 w/ c7 cat engine. cruz control switches on dash can i splice into the wiring and route a second control switch in a van box behind the truck cab. I need a engine speed control to op… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I am working on a truck company whose employees changed the
I am working on a truck for a company whose employees changed the battery and hooked it up wrong and shorted out some things and the truck wouldn't run. I narrowed the problem down to the ecm. After r… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have a c12 cat in a 2000 sterling. was running fine then
i have a c12 cat in a 2000 sterling. was running fine then it just shut down. now it turns over but wont run. replace computer will not hook up to ecm. took ecm off and had local dealer hook up to it … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,164 satisfied customers
We bought a Freightliner 2016 Glider Kit model this past September,
We bought a Freightliner 2016 Glider Kit model this past September, for $130,000, and it has spent 8 weeks of that time in the shop for the same problem. It will either shut off completely as it is go… read more
Justin Hebert
Justin Hebert
Technician
32 satisfied customers
I am working on a 2005 freightliner utilimaster with 4 cyl.
I am working on a 2005 freightliner utilimaster with 4 cyl. Mercedes diesel. Starts and runs for a moment or a little longer and cuts off. I have replaced oil pressure and oil temp. senders, cleaned c… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Have an 01 ***** ***** 9500 with cat c12 the dash gauges
Have an 01 ***** ***** 9500 with cat c12 the dash gauges wont self check … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a 1997 Louisville Dump with a 3126. I am installing a
I have a 1997 Louisville Dump with a 3126. I am installing a motor from a 99 Sterling 3126. I have the 40 to 70 pin adapter but get no power to my ecm Plug. I have checked power coming direct from Bat… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
We have a 2000 KW T2000 w/ a C12 in it. Picked up used truck
We have a 2000 KW T2000 w/ a C12 in it. Picked up used truck and ran it 85 miles home. On the way the coolant temp gauge stopped working. We hot it home, did an oil change,fuel filter change"all cat f… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
i am working on a cat 3176 in a 1996 pete 357. i replaced a
i am working on a cat 3176 in a 1996 pete 357. i replaced a cracked timing housing and now engine wont start... I checked the voltage of three fuses inside dash (i'm assuming they are the ecm fuses) i… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,164 satisfied customers
i have a 2000 freightliner with c-12 engine. The problem I
i have a 2000 freightliner with c-12 engine. The problem I am having is that it will crank over but not start. when this happens the check engine light does not come on. It is sporatic but getting mor… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
I have another series 60 that I need your help on: today we
I have another series 60 that I need your help on: today we are working on a Freightliner SN-6LX11257 ESN-06R0892167 this truck was towed in and it was working on site with PTO engage, engine running … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
697 satisfied customers
2005 W900 with dob 2-20-05 Ser#104836 cat power Having electrical
2005 W900 with dob 2-20-05 Ser#104836 cat power Having electrical trouble with it knocking out ing. bus relay Need an experienced Kenworth tech. Customer called me out b/c truck had died in the ditch,… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I am upgrading my 90 KW truck from the early (3176) 40 pin
I am upgrading my 90 KW truck from the early (3176) 40 pin rectangle ecm plug to a 2002 70 pin C-12. The ecm plug that came with the takeout engine only uses to of the 101 power inputs in ports 52 and… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

3,164 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

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cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

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dieseldan55

dieseldan55

Contractor

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Road Service mechanic for Volvo Construction.

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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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