I need the wiring scematic for a 2005 357 with cat c13.Need schematics for cab and chasis and engine showing all info.Tried 2 different dealerships and they have emailed me the wrong ones each time.Working on clutch fan and is not getting signal from ecm to shut fan off.ECM keeps saying ac high pressure switch is on.Checked wiring with ohm meter to the switch and fan solenoid.No broken wires.. July 1994 - 2000 Peterbilt 379 Family (357, 375, 377, 378, 379) Wiring Diagram. Wiring diagrams for the Peterbilt 379 Family (After July 1994 to 2000). The 379 Family includes 357, 375, 377, 378, 379 models.
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Wiring Diagram Peterbilt 379 [JPG] 328.6kb: Download: In 1939, Peterbilt was established as a company. Currently, it operates as a division of the American firm PACCAR. Peterbilt has been in business for almost 70 years and, throughout that time, has manufactured a vast quantity of trucks, tractors, and chassis. The company's name is.. 1970 - July 1994 Peterbilt 379 Family (357, 375, 377, 378, 379) Wiring Diagram. New Factory wiring diagram for the Peterbilt 379 Family (1970 - July 1994). Publisher: Peterbilt. The 379 Family includes 357, 375, 377, 378, 379 models.