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579 peterbilt the dome light in cab and sleeper dont work
579 peterbilt the dome light in cab and sleeper dont work niether does any of the power points, radio or refrigurator could this be an lvd problem and where is it located … read more
Nich1019
Nich1019
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Vocational, Technical or Trade School
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Interior lights won't switch off when doors are closed 2014
Interior lights won't switch off when doors are closed 2014 Peterbilt 389 … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
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I have a 2008 335 peterbilt truck and lost turn signals and
I have a 2008 335 peterbilt truck and lost turn signals and 4-ways I have checked all fuses all ok I do not know where the flasher is located but another thing I do not get any lights on dash for turn… read more
BrentR718
BrentR718
14 satisfied customers
Plz i need help with my cat engine ... 2004 peterbilt 379
Hello, plz i need help with my cat engine ... 2004 peterbilt 379 Cat c15 Mbn12209 Engine was overhauled 70k miles ago at peterbilt shop . In past few days the truck will derate and And won't accelerat… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I got a 07 Peterbilt 387 I have a short I have narrowed it
I got a 07 Peterbilt 387I have a short I have narrowed it down to the wire that says cab panel that's plugged into the cab load center. I wanted to get a wire schematic that shows me where the cab pan… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
1989 362 peterbilt cabover,.lost power to dome,spot lights
1989 362 peterbilt cabover,.lost power to dome,spot lights and radio,radio powered off key via circuit box,both circuits no power,power at the board,suspect common junction,but where.? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 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
6,062 satisfied customers
Have a 2002 peterbilt American classic every. Time I turn on
Ok have a 2002 peterbilt American classic every. Time I turn on head lights or running lights my passenger blinker stops working but if I turn lights back of it works again what could this b … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
17,764 satisfied customers
We have a 2016 Peterbilt 389. We lost right turn on the
We have a 2016 Peterbilt 389. We lost right turn on the trailer. We traced it back to the truck. All fuses are good. We do not have power at the harness coming out of the firewall. I'm thinking maybe … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
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
6,062 satisfied customers
I need the wiring harness breakdown for the radio on a 2010
I need the wiring harness breakdown for the radio on a 2010 388 peterbilt I am installing an after market radio and need to cut the wires… read more
Jeremy
Jeremy
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Associate Degree
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I have a(###) ###-####Peterbilt with a R2000 red dot headliner
I have a(###) ###-####Peterbilt with a R2000 red dot headliner ac unit. Has lost power. This is not powered with the dash 40 amp fuse like most Peterbilt systems. The system works fine when I bring po… read more
tkman55
tkman55
Shop manager Trailer Refrigeration shop
138 satisfied customers
I have a 2005 Peterbilt 387 and occasionally it will start
I have a 2005 Peterbilt 387 and occasionally it will start flashing every gauge and light on the dash. It usually stops immediately and I regain power. Today it started blinking and the gauges went ha… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have an 07 Peterbilt 387, and the truck has an problem where
I have an 07 Peterbilt 387, and the truck has an problem where the marker lights keep flashing On/Off. I heard a buzzing noise coming from the relay in the fuse box, and replaced the Marker Lamp relay… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I was installing a new refrigerator in a 2004 Peterbilt 379,
I was installing a new refrigerator in a 2004 Peterbilt 379, and when I turned on the switch for the refer, I lost all my can interior (not dash) lights and radio. All the fuses are good. What am I mi… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
17,764 satisfied customers
I have a 2003 peterbilt 387 w cat eng. I have lost power to
I have a 2003 peterbilt 387 w cat eng. I have lost power to the windows, the mirrors and the radio. I cannot find the fuse box to these units.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2004 379 peterbilt the sleeper lights and refrigherator
I have a 2004 379 peterbilt the sleeper lights and refrigherator quit working but when you open the stoorage door than open the drivers door light will work untill yoi close doors any ideal what could… read more
Diesel fumes
Diesel fumes
8 satisfied customers
We have a 2007 Peterbilt model 386. We have lost the headlights
We have a 2007 Peterbilt model 386. We have lost the headlights for no reason. We have no power to the on off switch. Where fuse plugs into has no power. Any ideas how to fix this?… read more
diesel-tech
diesel-tech
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

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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

2,756 satisfied customers

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

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Curtis B.

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cumminsdr

cumminsdr

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All types of Cummins applications

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Chris (aka-Moose)

Technician

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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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