Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have an 07 peterbilt with the autoshift push buttons. I
I have an 07 peterbilt with the autoshift push buttons. I can't get it into gear from a stop. … read more
Mike
Mike
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Associates
214 satisfied customers
Looking for a wiring diagram for a 2000 379 Peterbilt
Looking for a wiring diagram for a 2000 379 Peterbilt clearance light interrupt switch in dash … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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2000 peterbilt with cat c12 engine Jake's dont work I want
2000 peterbilt with cat c12 engine Jake's dont work I want to wire them directly with my own switch … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
9,768 satisfied customers
I don't have voltage going to the solenoid. 2002 Peterbilt
Yes working on it myself,I just installed new solenoid, no voltage going to the solenoid … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
204 satisfied customers
Need wiring diagram for 1998 379 Peterbilt. 379 Peterbilt
I'm rewiring running lights and headlights yes doing it myself … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
204 satisfied customers
The studs broke on my 2005 Peterbilt 379, how tough a fix is
The studs broke on my 2005 Peterbilt 379, how tough a fix is this? … read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
214 satisfied customers
I have a 1999 peterbilt when I turn the ignition switch off
I have a 1999 peterbilt when I turn the ignition switch off it only shuts off engine and stereo, heater and low oil pressure warning do not turn off … read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
214 satisfied customers
I replay the battery cables and the the power will not turn
I replay the battery cables and the the power will not turn off. Everything stays on except the am/fm radio. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
2006 Peterbilt 379. All Accessory Power intermittent power
2006 Peterbilt 379. All Accessory Power intermittent power issue … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
204 satisfied customers
I have a 2003 Peterbilt 379, with a 12.7 liter detriot. my
I have a 2003 Peterbilt 379, with a 12.7 liter detriot. my engine fan stays on and the engine fan light stays on , and the toggle switch in the dash will not turn it off. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
9,768 satisfied customers
The abs relay valve is leaking air out the exhaust all the
The abs relay valve is leaking air out the exhaust all the time with the brakes set and released whats out the valve or can it be something else … read more
timdieseltech
timdieseltech
diesel tech
Vocational, Technical or Trade School
123 satisfied customers
Speedometer doesn't work only works part of time but doesn't
Speedometer doesn't work only works part of time but doesn't read right I think short wire … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 1990 Peterbilt with a Series 60 Detroit. All of a
I have a 1990 Peterbilt with a Series 60 Detroit. All of a sudden it won't start. It cranks good but won't fire. Any ideas? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,693 satisfied customers
When I turn my heater on it will not shut off until I turn
When I turn my heater on it will not shut off until I turn off key. And I cannot change temp or direction of air. It just blows through dash vents. Its a 2004 Peterbilt 379… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,735 satisfied customers
I have a problem with a peterbilt tractor right blinker dies
I have a problem with a peterbilt tractor right blinker dies work when lights off when head lights and marker lights go on it stops blinking can i get some help please… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
9,768 satisfied customers
I have 2004 Pete 379 when pushed wiper switch fluid
I have 2004 Pete 379 when pushed wiper switch for washer fluid some times work some times not.replaced switch with new from peterbilt. Works fine now but wiper on intermittent stops in middle of winds… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,735 satisfied customers
Morning Jim,When the key is first turned on the 379 it lights
Morning Jim, When the key is first turned on the 379 it lights the dash bright then, they go out after about three seconds. Is there anyway of making the dash lights stay on when the headlights and Pa… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,735 satisfied customers
MY 2000 379 PETERBILT QUIT RUNNING GOING DOWN THE ROAD. IT
MY 2000 379 PETERBILT QUIT RUNNING GOING DOWN THE ROAD. IT HAS A C-15 Catapiller motor which has A million miles on it.I think it is electrical because the speedometer and tach quit working as I coast… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,114 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

9,768 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,114 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,693 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,735 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,552 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,270 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

262 satisfied customers

16 years of experience

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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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