2006 379 Pete w/cm870 ISX.

[Emeryville64]

I have a 2006 & 2007 379 Peterbilts with 870's. I have looked at both trucks,(the engine is out of the 06) and I can not find this Temp sensor on them. I have looked at both trucks with Paccar E-CAT and cannot find a Ambient Temp sensor other than the one in the mirror. In the Cummins Servive manual I can find the sensor in the wiring diagram going to Pin 19, but that is all the information I can find. when I get a chance I will hook my computer to the 07 and see what i can find that way. sorry this is of really no help, but im curious myself. I've looked all over the 06 and can't find anything on the frame. I took the engine out myself and don't remember seeing or unplugging that sensor.