Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
I have a 2009 peterbilt 387 with a 485 Cummins ,, while
I have a 2009 peterbilt 387 with a 485 Cummins ,, while driving if I hit a bump in the road,, the engine stalls for a few seconds then gets going … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
No lights in cab of truck. need to know where reset botton
No lights in cab of truck. need to know where reset botton is.. just changed started and alternator … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
15 December 2017 12:12 I have a 2001 Peterbilt Model 330 Vin
15 December 2017 12:12I have a 2001 Peterbilt Model 330 Vin # X92M575669 my problem is when I turn the key nothing comes on my dashboard like no power and I try to start it and does not turn over. Thi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
Tc40 new holland won't crank over ign switch good pto lite
Tc40 new holland won't crank over ign switch good pto lite on bu not engaged … read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
I blew a fuse on cigarette plug in front dash. Where is the
I blew a fuse on cigarette plug in front dash. Where is the fuse located? … read more
Aaron Evans
Aaron Evans
MOBILE FLEET MANAGER
44 satisfied customers
I have a 2013 Peterbilt 579 and I have no left signal light
I have a 2013 Peterbilt 579 and I have no left signal light on the trailer. All of the other signal lights work on the tractor. I checked the fuse in that box on the firewall and it is good. There is … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Battery shorted out on side of cab now no power, looking for
battery shorted out on side of cab now no power, looking for main fuse or???? … read more
Curtis B.
Curtis B.
Technician
Associate Degree
991 satisfied customers
2013 T700 lost radio cb and stereo and cab dome light lights
2013 T700 lost radio cb and stereo and cab dome light bunk lights go off light low battery … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
I have 1999 Peterbilt 379. I was going down the road and hit
I have 1999 Peterbilt 379 . I was going down the road and hit a small bump and lost power to motor and gauges . When I try to start the truck , I turn the key and have no power to the volt gauge , hea… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
696 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
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
Lost all power to cab on a 325bl when I was running it. No
Lost all power to cab on a 325bl when I was running it. No monitor screen no hydraulics no throttle or ignition. No light on on ecm under seat. Good batteries have 24 volts to all red wires in main pa… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,283 satisfied customers
My 1996 379 I have no power when I turn key switch on, but
My 1996 379 I have no power when I turn key switch on, but I have all my lights batteries are charged. My volt meter was going from 13 volt down to below 10 volts gauge jumping back and forth. Now not… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
I have no brake lights on my semi trailer. All the lights work
I have no brake lights on my semi trailer. All the lights work on truck and trailer except the trailer brake lights, tractor brake lights work. The red wire coming out of the electric pig tail on truc… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Hi! I need a wiring schematic for a c7 acert in a pete. The
Hi! I need a wiring schematic for a c7 acert in a pete. The chassis is PB330, model 824025. Engine oem # ***** ***** ECM soft. #242-1842. I have a truck at a feedlot that I have no communication with … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,530 satisfied customers
HI! I have a 1989 Model 377 Peterbilt, VIN#1XPCDR9X7KN270451
HI! I have a 1989 Model 377 Peterbilt, VIN#1XPCDR9X7KN270451 It has AMETEK Swith Panel No. 156171 PB P/N 17-03386 this has up/down Function, HRS/OAT/AS (UP), FUEL S (UP), TEMP (down), CLOCK/ET (DOWN) … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
Tobiz, I have some more electrical issues on a 2004 Thomas
Tobiz, I have some more electrical issues on a 2004 Thomas Bus V.I.N. 1T7YR2C2941145168. I think most, if not all, are relay related. I found a few corroded relays and have ordered new ones. Here are … read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
I have a 1994 375 peterbilt dump the other day when i tried
i have a 1994 375 peterbilt dump the other day when i tried to start it it did not turnover you could just hear a click come from the firewall like the old ford solinoid would make took of the starter… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
I'am working on a 2000 Peterbilt 378 Highway Truck. I shut
Hi, I'am working on a 2000 Peterbilt 378 Highway Truck. I shut the truck off now it won't turn over and start. The batteries are good, all the lights work.I have absolutely no ignition power on the ke… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

3,014 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

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

dieseldan55

dieseldan55

Contractor

74 satisfied customers

Road Service mechanic for Volvo Construction.

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x