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99 Peterbilt 378, 3406e engine when headlights are turned on
99 Peterbilt 378, 3406e engine when headlights are turned on battery voltage drops, when you turn on hazard … read more
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2002 Peterbilt 378 Cat c12 I have power at starter but no power to dashboard thinking I blew a main fuse but have No wiring diagram … read more
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Nich1019
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Andrew G.
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1990 379 battery install have to smaller wires that coming
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james Roberts
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Have a question about a series 60 Detroit in a 1991
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2000 PETERBILT 379, YOU ENERGIZE THE 304 CIRCUT ANYWHERE AND
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Daniel Wilson
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I have a 2009 peterbilt model 378, with a c-13 LEE18461, I
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,195 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

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I am ASE Master Truck Certified.

Wayne

Wayne

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

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Curtis B.

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cumminsdr

cumminsdr

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All types of Cummins applications

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Chris (aka-Moose)

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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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