Trending Kenworth Engine Fan Wiring Diagram Kenworth T300 Trailer Wiring Diagram - Wiring Diagrams Schematics - This is the fan control wiring. This ought to floor the solenoid whilst it needs the fan clutch to be released. Not engaged. When the ecm requests the fan to be on, it takes the ground away and the fan grab stays engaged. I might (and have) propose your site to others i used to be quite happy with the first-rate of the statistics acquired, the expert with whom i interacted, and the short response time. Thanks, and make sure that i'll be again each time i want a question responded in a hurry. The ecm controls the ground facet of the solenoid. There can be an open circuit from the ecm to the fan solenoid. Or there may be a sensor, such as the consumption temp sensor, coolant temp, oil temp that is studying warmer than typical. My experiance with the ddec five is that the black cover that is on the connector rubs thru the wiring. That is the first region i would appearance. Happens all of the time. Additionally, freightliner mounted some plastic wiring loom that over time gets brittle and may saw through the wiring. Soo if you did now not discover it on the connector, then search for tight zip ties and sharp bends at the harness. Disclaimer: information in questions, solutions, and other posts on this site ("posts") comes from character users, not justanswer; justanswer isn't answerable for posts. Posts are for wellknown information, are not meant to alternative for informed expert recommendation (clinical, legal, veterinary, financial, and so on.), Or to establish a professional-client courting. The web page and offerings are provided "as is" without a warranty or representations through justanswer regarding the qualifications of specialists. To peer what credentials have been verified via a 3rd-birthday celebration carrier, please click on on the "established" image in some professionals' profiles. Justanswer isn't meant or designed for emergency questions which have to be directed immediately by means of cellphone or in-individual to qualified experts.
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