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Andy, Truck Diagnostic Technician
Category: Medium and Heavy Trucks
Satisfied Customers: 1648
Experience:  International and Isuzu trucks , International, Maxxforce, Cummins and Isuzu engines, Diagnostic and electrical troubleshooting specialist , Hvac and truck /trailer refrigeration troubleshooter
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We have a 2004 International 4300 with dt 466 air not

Customer Question

We have a 2004 International 4300 with dt 466 air not hydraulic brake. Having trouble diagnosing brake lights not working. We have turn, hazards, tail but no brake lights when pedal is applied. We checked what we think is the brake switch but not positive since I've found 5 pressure switches under dash. Anyone have wiring diagram or maybe seen this issue before to point in right direction?
Submitted: 11 months ago.
Category: Medium and Heavy Trucks
Expert:  Andy replied 11 months ago.

Hi there ! My name is Andy ! Can we start with the last 8 digits of the vin number please ? That way I can pull up the correct diagram .

Customer: replied 11 months ago.
I found the electrical short.
Thank you for the reply
Expert:  Andy replied 11 months ago.

Oh Ok . No problem

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