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Can I have headlights schematic for a Peterbilt 2011 model?

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Hello can I have headlights...
Hello can I have headlights schematic for a Peterbilt 2011 model?
Submitted: 6 months ago.Category: Medium and Heavy Trucks
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Answered in 1 minute by:
12/21/2017
Technician: Jeremy, Certified Truck/Bus Technician replied 6 months ago
Jeremy
Jeremy, Certified Truck/Bus Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 3,776
Experience: ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician
Verified

My name is ***** ***** I will assist you with your question today.

I'm an independent contractor and I don't get paid until a rating has been made.

We can go back and forth as needed to help resolve the issue you are having. Follow ups are free after ratings, so rate in confidence!

What model do you have?

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Customer reply replied 6 months ago
I've a Peterbilt with headlights issue it's giving me 8.85v when the lights are off
Technician: Jeremy, Certified Truck/Bus Technician replied 6 months ago

I got that, but what model so I can see if this is fed from the lighting module or direct?

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Customer reply replied 6 months ago
2011 Vin 1xp-xd49x-8-cd139900
Technician: Jeremy, Certified Truck/Bus Technician replied 6 months ago

That system is fed from the module.

The voltage is coming from a crosses wire at a rub through or the DRL is sending the voltage and all the time, it was shorted out. I'll load the full wiring diagram so you can check the system for wiring issues, but you may need to test the module with the Paccar software to determine if the module is actually sending out DRL voltage and if so, test to see if the DRL circuit in the module is bad.

CLICK HERE for the diagram sheets for that vehicle.

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Customer reply replied 6 months ago

************** Canada

Technician: Jeremy, Certified Truck/Bus Technician replied 6 months ago

I can't call due to being in loud shop. I will opt out for someone that can call you.

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Customer reply replied 6 months ago
Did you get the message then
Customer reply replied 6 months ago
Can you send it to my email I can't open it on the phone
Customer reply replied 6 months ago
Hello did you send the schematic on my email?
Technician: Daniel Wilson,
 replied 6 months ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,791
Experience: Owner at DJ Wilson
Verified

Hi my name is***** me a moment to see what I can pull up for your diagrams

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Customer reply replied 6 months ago
Ok cool
Technician: Daniel Wilson,
 replied 6 months ago

What model chassis is this? 379, 387, etc?

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Customer reply replied 6 months ago
It's a 389
Technician: Daniel Wilson,
 replied 6 months ago

Okay this is multiplexed and runs through a CECU controller that is programmed for the lights etc so there are switch inputs and then outputs to the lights. No longer just switches and relays.

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Technician: Daniel Wilson,
 replied 6 months ago

I can help with the CECU multiplexed manual/diagrams as a premium service. and then we will still be able to follow up here as my time allows in between jobs etc for follow ups

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Technician: Daniel Wilson,
 replied 6 months ago

If you have voltage there, test the outputs from the CECU and inputs as if the input switch is not commanding them to be on but they are and there is output voltage from the CECU pin for the lights it is a problem with programming or a faulty CECU

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Technician: Daniel Wilson,
 replied 6 months ago

It is not allowing me to offer premium service for some reason...

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Customer reply replied 6 months ago
I still can't access the your schematic
Technician: Daniel Wilson,
 replied 6 months ago

That was the previous professional that posted the link. That professional left the conversation. We arent employees of the site. Im a user of the site like yourself.

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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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