Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
Headlights take a bit to come on sometime. 2012 peterbilt
checked some of the plugs relays that are under the hood … read more
NicholasM1019
NicholasM1019
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Vocational, Technical or Trade School
7 satisfied customers
I have a 2012 386 Pete. I was wondering where the best place
I have a 2012 386 Pete. I was wondering where the best place to plumb a aftermarket brake application gauge. I thought the hand brake valve would work but it only has 3 ports. A supply, an exhaust and… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
How much are you charge. How much it is the monthly
How much are you charge JA: It's just a small, refundable fee for a 7-day JustAnswer trial. After that, it's a small monthly membership fee. What's the make/model/year of your truck? Engine type? Cust… read more
Scott Anthony
Scott Anthony
Master Technician
HS Diploma
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2012 peterbilt 386 all lights are working except trailer
2012 peterbilt 386 all lights are working except trailer brake lights I'm getting no power to pig tail plug for trailer brake lights. I changed brake switches and relay and still not working?? … read more
Mikael
Mikael
Bachelor's Degree
150 satisfied customers
I have a 2012 Peterbilt 386. I have intermittent power to
I have a 2012 Peterbilt 386. I have intermittent power to the sleeper lights and HVAC. My speakers work all the time. I've checked the bunk relays and fuses and they all check good. Where do I go from… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2012 pet 386. ISX 15. engine s/n 79481931. truck died like
2012 pet 386. ISX 15. engine s/n 79481931. truck died like key was shut off. fuel filter was half empty. no lift pump operation. found relay and jumped power to pump. pump runs. no power to load side … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Have a 2009 386 peterbilt with no dash lights or marker
have a 2009 386 peterbilt with no dash lights or marker lights. but when turn key on initially dash lights work. does peterbilt run 5 volt supply to switches? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a peterbilt 386 and the winshield wiper nozzle is
Hi! i have a peterbilt 386 and the winshield wiper nozzle is broken, would you have any idea as to how i can access it to replacxe it? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Lost power to my headlight and marker light switch on 2007
lost power to my headlight and marker light switch on 2007 379 pete … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,636 satisfied customers
2008 Peterbilt 386 has no lights, no dash and will not shut
2008 Peterbilt 386 has no lights, no dash and will not shut off - think it's a short somewhere in a wire - where should I look first? … read more
Keiphun Sowell
Keiphun Sowell
AutoDiesel Technology
1,310 satisfied customers
I do have a peterbilt 2011 386, im trying to install
Hi. I do have a peterbilt 2011 386, im trying to install mirror's aftermarket turn signals and running lights on both sides. Can you help me to find the power source. Thanks … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Driver reports datport has no power on 2013 Peterbilt 386?
Driver reports datport has no power on 2013 Peterbilt 386? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Stopper for short break. Shut truck off. Headlights are on,
Stopper for short break. Shut truck off. Headlights are on, flashers are on and i have no power when i turn the key on. 2013 peterbilt 386 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2007 peterbilt 386. lost both high beam headlights.
I have a 2007 peterbilt 386. lost both high beam headlights. no power at either high beam fuse under dash. High beam indicator doesnt come on on the dash either. already have replaced the switch on st… read more
Pete
Pete
Automotive Diagnostic Specialist
General auto certifications
35,743 satisfied customers
I have a 2012 Peterbilt with a Cummins ISX. the fan runs all
I have a 2012 Peterbilt with a Cummins ISX. the fan runs all the time. I changed the solenoid and fan switch. Still running. What's next ? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
High beams only on a 2000 Pete. Checked breakers, turn
High beams only on a 2000 Pete. Checked breakers, turn signal switch, headlamps the, light switch … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Im trying to add a moto mirror to my 07 386 pete. I found the
Im trying to add a moto mirror to my 07 386 pete. I found the wires in the dash for the power mirror. But I can not figure out which way to connect the wires. There are 3 wires labeled mirr motor. Whi… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
The driver side window on my 08- 386 Peterbilt does not respond
The driver side window on my 08'- 386 Peterbilt does not respond to electric cotrol switch on door. Fuse replacement or regulator/motor?… read more
diesel-tech
diesel-tech
Mechanic
138 satisfied customers
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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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