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I have a 2003 International 4300 w/a DT466. No power out of…

Customer Question
I have a 2003 International...
I have a 2003 International 4300 w/a DT466. No power out of ESC to headlights, marker, parking, turn signals, horns do not work. Power into DCS on ignition and battery feeds are good. Lights in driver console blink for flashers, console lights for headlights. Ideas?
Submitted: 2 years ago.Category: Medium and Heavy Trucks
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Customer reply replied 2 years ago
Truck seems to run fine, otherwise.
Answered in 2 hours by:
2/12/2016
Technician: Daniel Wilson,
 replied 2 years ago
Daniel Wilson
Category: Medium and Heavy Trucks
Satisfied Customers: 6,884
Experience: Owner at DJ Wilson
Verified

Hi, My name is***** on this link and let me know if these match your lighting circuit since they are for 05....

Schematics

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Customer reply replied 2 years ago
The schematics are similar. The service manual I have is "for trucks built after 2002" I am on the road and cannot compare the diagrams.
Technician: Daniel Wilson,
 replied 2 years ago

No need. The ones you have are fine....

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Technician: Daniel Wilson,
 replied 2 years ago

So you have 12V and good ground to the ESC but nothing coming out more than 2.3V to the relays? sounds like you have a failed ESC on your hands. Let me know

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Customer reply replied 2 years ago
I have 12V on 2 and 12 in the in cab connector, and continuity to ground on pin 1. Is there any other possibility? Could simply flashing it fix the problem? Some kind of reset?What causes ESC's to fail? Are there fuses or circuit breakers inside one?
Technician: Daniel Wilson,
 replied 2 years ago

I would try re flashing it first.There are so many things that can cause an ESC to fail just like an engine ECM...

Reflashing it will reveal if there are any software programming issues . Let me know

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Technician: Daniel Wilson,
 replied 2 years ago

Hi Jack, did you get this resolved?

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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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