Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 2005 379 peterbilt my flashers have quit working
I have a 2005 379 peterbilt my flashers have quit working there is no blown fuse … read more
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NicholasM1019
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2005 pete 379 red oil light flashing has good oil pressure
2005 pete 379 red oil light flashing has good oil pressure and dies … read more
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Where is the fuse for the ac on my 2000 Pete 379. 2000 Pete
yes pressure is good with jumper to power 30 170 respectively … read more
Wayne
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Need help with my blower motor. 1999 379 PETERBILT. Cab
Need help with my blower motor. 1999 379 PETERBILT. Cab blower and controls work. Bunk blower, doesn't not work. There is power to the blower but can't figure out why it won't turn on. … read more
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I have a1995 379 series pete, one day my speedo temp, fuel
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What 15 1/2" 2 plate spicers are not interchangeable without
What 15 1/2" 2 plate spicers are not interchangeable without changing linkage or other components. I guess what I'm saying is that there are some that you cant just jerk out and throw a different styl… read more
Wayne
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Lost power to my headlight and marker light switch on 2007
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Don
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I dont have power to Ac in cab dash. 98 pete 379 last 6
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Ac not cold and found o ring leak at condensor. I'm working
Ac not cold and found o ring leak at condensor. I'm working on a 2013 Pete 550 HP 379. Evacuating and recharged. Now cold outlet temp and cycling. High side only 90#..low side cycle between 26 and 40 … read more
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I have a 2000 379 Peterbilt. I can not find the fuse the
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96 pete 379. Replaced tps and just like the last one, when i
96 pete 379. Replaced tps and just like the last one, when i let off the throttle my check engine light comes on and i have no throttle. I can tap the side of the footfeat with my foot and throttle co… read more
spankyjr1
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2000 379 won't change from defrost setting. Not sure ac
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Daniel Wilson
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Have a 2001 379 Peterbilt VIN 1XP-5DB9X-8-1D528464 with a
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I have a wiper issue with a 2006 Pete, model 379, vin
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Only place in the brake light switch on a 1990 Peterbilt on
Only place in the brake light switch on a 1990 Peterbilt on the air block on the floor which one is the brake switch … read more
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I got 2005 freightliner century pumpkin truck used to be
hi i got 2005 freightliner century pumpkin truck used to be schnider truck. No power is coming to ac to engage ac brake clutch fuse replaced good relay tested good new ac compressor good … read more
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peterbilt 1990 379 day cab, 3406 ac problems, I have power
peterbilt 1990 379 day cab, 3406 b ac problems, I have power to dash switch through relay on fuse block, fan in cab turns on , blows ok. have power in to high pressure for ac fan switch for big motor,… read more
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Meet the Experts:

Daniel Wilson

Daniel Wilson

12,204 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

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Curtis B.

Curtis B.

Technician

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

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Chris (aka-Moose)

Technician

353 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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