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Related Medium and Heavy Trucks Questions
2006 peterbilt 379 tri axle dump truck, cat, 15 ascert ,,was
2006 peterbilt 379 tri axle dump truck , cat, 15 ascert ,,was runnning down the interstate just fine , I flipped the cruise control switch on and the truck just died , now it will turn over but not st… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
I have a 379 Pete, the jake does not work. I have no power
I have a 379 Pete, the jake does not work. I have no power to the jake brake switch. Is this my problem?? … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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I got a 2000 Peterbilt 379 speedometer stopped working We
I got a 2000 Peterbilt 379 speedometer stopped working We replaced the speedometer and speed sensor on trans … read more
Mikael
Mikael
Bachelor's Degree
150 satisfied customers
2000 379 Peterbilt vin# ***************** Tuck was bought
2000 379 Peterbilt vin# ***** Tuck was bought with no speedometer, got an Amtek gauge from dealer, followed instructions on setting DIP switches.. did not work... replaced sensor on back of transmissi… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
I have a1995 379 series pete, one day my speedo temp, fuel
hello i have a1995 379 series pete, one day my speedo temp, fuel tach and volt gauges stopped working , found a blown fuse replaced fuse mile down the road it blows again now i have still no gauges an… read more
Wayne
Wayne
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Vocational, Technical or Trade Scho
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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
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
Have 1992 379 peterbilt shop ecently replace old wiring.
Have 1992 379 peterbilt shop ecently replace old wiring. Everything dash signal all work but started down road everything goes out all dash everything trailer lights. Could it be ground or … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
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I just bought Pete 379 with C-5 and it's blowing lotta oil
I just bought Pete 379 with C-5 and it's blowing lotta oil out the blow pipe … read more
Cat Man
Cat Man
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I have a 2004 C-15 Acert Single turbo conversion Peterbilt
I have a 2004 C-15 Acert Single turbo conversion Peterbilt 379. Recently I have been getting a vibration in the truck. It is most prevalent under load and in gears 16th to 18th. Engine runs rough at R… read more
Cat Man
Cat Man
Cat Engine Expert
10,344 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
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I have a2002 Peterbilt 379, C15 Cat, 18 spd. The speedometer
I have a2002 Peterbilt 379, C15 Cat, 18 spd. The speedometer quit registering mph and odometer miles. I tried another speedometer but it didn't work either. I replaced the sensor at the transmission b… read more
Cat Man
Cat Man
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I have a 2000 Peterbilt 379 that the speedometer quit
I have a 2000 Peterbilt 379 that the speedometer quit working a couple weeks ago. My mechanic said it has power to the back of the speedometer head that the head is probably bad. Just replaced the spe… read more
Cat Man
Cat Man
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My brake lights and my dash lights my high beams stay on but
My brake lights and my dash lights my high beams stay on but my brake lights are not on and my dashboard lights are not on and it's a 2000 Peterbilt 379 what seems to be the problem please help oh by … read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
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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
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2000 379 peterbilt cab blower stopped working suddenly. No
2000 379 peterbilt cab blower stopped working suddenly. No power at resistor. Orange wire on blower motor has switched power. Fuse is good. Any suggestions?… read more
Jeremy
Jeremy
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Associate Degree
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At a shop with my 2005 Peterbilt 379 c-15 cat My speedo tach
At a shop with my 2005 Peterbilt 379 c-15 cat My speedo tach and fuel also battery volt meter All quit working but the rest of the gauges work. What could be the problem.… read more
Rudolph Diesel
Rudolph Diesel
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Vocational, Technical or Trade Scho
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2000 Peterbilt 379 A/C problem-hello, I have a 2000 Pete379
2000 Peterbilt 379 A/C problem-hello, I have a 2000 Pete379 , cannot get the a/c pump to turn on. Series 60 motor was rebuilt last fall, a/c worked before then... pulled vacuum on system and opened re… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 2000 Peterbilt 379 with a c-15 cat. Has no throttle
I have a 2000 Peterbilt 379 with a c-15 cat. Has no throttle responce via pedal or cruise switch. Hooked up ET and no active, inactive or logged event codes. Can watch the accel position through ET an… read more
Cat Man
Cat Man
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10,344 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,195 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,344 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.

Technician

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

cumminsdr

cumminsdr

Mechanic

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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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