Freightliner M2 Blower Motor Wiring Diagram
There are 2 problem spots for blower motor problems on an m2 1 there is a plug that is about 12 away from blower motor follow connector from motor towards center of dash easy to find get rid of connector and butt connect wires if not bad now will be later 2 fuse box under hood lt blue wire in green fuse box connector is direct power to blower motor unplug connector and look at terminal if.
Freightliner m2 blower motor wiring diagram. It shows the elements of the circuit as simplified shapes as well as the power as well as signal connections in between the devices. 108sd 114sd sti 496 6 6 12 published by daimler trucks north america llc 4747 n. Troubleshooting diagnosis repair duration. 2010 freightliner wiring diagram.
I have a 2004 freightliner business class m2 the blower motor will not run fuse is good harness and connections are good. Up freightliner m2 buisness class heavy truck wiring diagrams with regard to freightliner wiring diagrams free image size 985 x 617 px and to view image details please click the image. The blower motor and the control head were both replaced. There is no bulkhead fault codes.
We replaced the complete blower assembly that included the circuit board. The blower stopped working with the heat. No power to hvac control panel. My blower motor on my 2013 fl m2 106 stopped working the other day.
To the bulkhead module bhm or to an optional switch expansion. A wiring diagram is a streamlined conventional pictorial depiction of an electric circuit. I m getting voltage on the harness but the blower is not coming on. Freightliner m2 blower motor wiring diagram.
108sd and 114sd maintenance manual models. I replaced the control unit in the dash also. Freightliner hvac blower motor. Assortment of freightliner m2 wiring diagram.
We replaced both the blower motor and the control head fuse is good. I replaced the blower motor and it came with a new wiring harness. And 1 light blue rpm wire. Sounds like its a wiring issue from the pdm to the hvac controller.
Freightliner m2 blower motor wiring diagram 05 12 2018 05 12 2018 6 comments on freightliner m2 blower motor wiring diagram 04 freightliner m2 no power to heater motor that is the speed signal for the blower the hvac controller requires a speed signal on the blower motor so it knows the power and the ground are the heavier wires of the two. No blower motor operation. The old blower had a fat blue and a fat black power and ground. 05 09 2018 05 09 2018 2 comments on freightliner m2 bulkhead module diagram m2 multiplexing the basics.
Here s a vid of how to diagnose and replace the blower motor on a newer freightshaker truck.