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05 Pete eng. fan wiring diagram
Posted to HD/Fleet Forum on 9/8/2015 5 Replies

Does anyone have a wiring diagram for an 05 378 model w./ Cat C15 for engine fan circuit? Fan will not disengage, have narrowed it to manual fan control switch circuit. ECM is being commanded to turn fan on by this circuit while switch is off. I can disengage ... Login to read more.

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