Get to know your Freightliner truck by accessing our Driver and Maintenance Manuals, your source for technical and operational information by model.. This document contains wiring diagrams for the air conditioning system on a 1998 Freightliner FL-70 truck. The first diagram shows the circuit for R-12 refrigerant and the second diagram shows the updated circuit for R-134A refrigerant. Both diagrams display the wiring connections between components like the compressor clutch relay, thermostatic switch, blower motor switch, and other air.
![[DIAGRAM] Freightliner Fl70 Wiring Diagram](https://www.researchgate.net/profile/Iain_Walker2/publication/241978882/figure/fig9/AS:298670609190928@1448220030640/a-Simplified-wiring-diagram-for-the-HVAC-equipment-at-the-case-study-house.png "[DIAGRAM] Freightliner Fl70 Wiring Diagram")
![[DIAGRAM] 1997 Freightliner Fl70 Wiring Diagrams FULL Version HD](http://repairguide.autozone.com/znetrgs/repair_guide_content/en_us/images/0900c152/80/05/da/1b/large/0900c1528005da1b.gif "[DIAGRAM] 1997 Freightliner Fl70 Wiring Diagrams FULL Version HD")
![[DIAGRAM] Freightliner Fl70 Wiring Diagram](https://f01.justanswer.com/tracker40/880d1e97-b20c-4467-8e68-8baf4ee7647e_3.jpg "[DIAGRAM] Freightliner Fl70 Wiring Diagram")
![[DIAGRAM] Freightliner Fl70 Wiring Diagrams 1996](https://ww2.justanswer.com/uploads/JANECZFJ/2012-07-19_175948_7-19-2012_1-56-10_pm.jpg "[DIAGRAM] Freightliner Fl70 Wiring Diagrams 1996")
Downloadable PDF file containing vehicle (chassis) wiring schematics/diagrams for 1998 and newer Freightliner FL60 and FL70 trucks. Does not cover engine wiring.. Freightliner Fl70 Wiring Harness Diagram. Three ways to find your diagram quickly and easily. Once you have removed the sensor, plug in a new one to the wiring. 1994 Freightliner Fl70 Cummins 5.9 Starter Wiring Diagram from diagramweb.net