Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

On a 2005  387 peterbilt C15 cat i lost jake brakes…

Customer Question
On a 2005  387 peterbilt...

On a 2005  387 peterbilt C15 cat i lost jake brakes and cruise Do you have a wiring diagram of this circuit?

Submitted: 6 years ago.Category: Medium and Heavy Trucks
Show More
Show Less
Ask Your Own Medium and Heavy Trucks Question
Answered in 38 minutes by:
6/27/2016
Technician: Wayne, Journeyman replied 6 years ago
Wayne
Wayne, Journeyman
Category: Medium and Heavy Trucks
Satisfied Customers: 17,777
Experience: worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling
Verified

Hi I'm Wayne

I will help you with this

did you check all fuse/breakers

Ask Your Own Medium and Heavy Trucks Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a technicianLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Daniel Wilson Your Own Question
Daniel Wilson
Daniel Wilson
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,195
6,195 Satisfied Customers
Experience: Owner at DJ Wilson

Daniel Wilson is online now

Related Medium and Heavy Trucks Questions
I have a 2006 Peterbilt 387 with a MXS C 15 engine. My
I have a 2006 Peterbilt 387 with a MXS C 15 engine. My engine brake is not working and have been troubleshooting on my own with no luck. Cruise control works on idle. What can I do to start and rule o… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
Jake brake stopped working on our 2002 Peterbilt 379. It's
Jake brake stopped working on our 2002 Peterbilt 379 … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have a 2003 Peterbilt 379 with a C15 6nz. We bought the
Hello, I have a 2003 Peterbilt 379 with a C15 6nz. We bought the truck needing a computer. Had caterpillar set parameters on the ECM, and first day worked fine. Second day it lost both the Jake and cr… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
DD186172 Peterbilt looking for wiring diagram for engine
DD186172 Peterbilt looking for wiring diagram for engine fan, jake brake, and cruise. Keeps blowing the fuse for these circuits.… read more
TomcM28
TomcM28
Owner
Associates
14 satisfied customers
Cruise will not work. 05 peterbilt 379 cat accert c 15.
Cruise will not work JA: What's the make/model/year of your truck? Engine type? Customer: 05 peterbilt 379 cat accert c 15 JA: Are you fixing your truck yourself? What have you tried so far? Customer:… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I already paid my subscription I need some more help. On the
Okay I already paid my subscription I need some more help … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
2006 kw t8. The jake brake will not turn on. No light on
2006 kw t8. The jake brake will not turn on. No light on dash or anything. The buttons on the steering wheel and the clock spring under the steering wheel have been replaced … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
No cruise on 2005 peterbilt with c15, have et, cruise on/off
no cruise on 2005 peterbilt with c15, have et, cruise on/off works, clutch and brake switch both show off, but on et where it says cruise mode, it says not activated… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 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
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
Trying to locate fuse for brake lights 2007 peterbilt 387.
Trying to locate fuse for brake lights 2007 peterbilt 387 … read more
BrentR718
BrentR718
14 satisfied customers
I have a truck that's a peterbilt 379 with a cat c15 and
I have a truck that's a peterbilt 379 with a cat c15 and Jake brakes are not working on it when I turn the switch on nothing happens when I supply direct power my jake brakes work it electrical has no… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
We have a C15 Acert in a 2005 Peterbilt 378. The jake brake
We have a C15 Acert in a 2005 Peterbilt 378. The jake brake only works on low and before that it was working in every position but started cutting out. Now it is only giving us low and there is no pow… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
I need to know the switch # 1 position of the service brake
i need to know the switch # 1 position of the service brake pedal in peterbilt 369 and 387. the switch is on. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
2006 western star 4900fa cruise control and engine brake quit
2006 western star 4900fa cruise control and engine brake quit after truck warms up. both work fine prior to warm up. looking for schematics and or theory of operation. vehicle has new clutch switch, s… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,195 satisfied customers
When drivers door is opened and closed it will shut off. Do
When drivers door is opened and closed it will shut off . Do you have any ideas of what the problem would be. It is a 387 Peterbilt 2005 has a c15 Cat motor.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
I have a C-13 Acert in a 2007 Peterbilt 387. I am getting a
I have a C-13 Acert in a 2007 Peterbilt 387. I am getting a 2949-7 Check Engine Code, I also have no Jake Brakes or Cruise. I pulled the Valve cover and noticed when cold cylinders 1,3,5 are dropping … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
C15 truck engine, serial # XXXXX Cat compression brake.
C15 truck engine, serial # XXXXX Cat compression brake. Customer run overhead and engine brake quit working, customer replaced switch... Need troubleshooting and engine brake lash steps...… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
We have a 06 387 peterbilt that has its odometer and speedometer
We have a 06 387 peterbilt that has it's odometer and speedometer not working and therefor the speed governor is not working. Cruise and jake brake still work. Any idea what's up?… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,353 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

Meet the Experts:

Daniel Wilson

Daniel Wilson

6,195 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

17,777 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

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x