I appreciate that. I’ll keep looking as well.
The truck is a 1997 Peterbilt 377 . Thank you kindly for all of the helpful information. I’m going to dig into some of the wiring and try to...
Thank you for the replies, it’s very appreciated. I saw there was a sensor with a single wire on the upper portion of the thermostat housing and a...
I have not confirmed the high temperature with ET while operating the truck. The engine warning lights came on at higher temperature with longer...
There is power at the air solenoid with the key switch on. The solenoid shuts off approximately 1 second after the engine is started. The manual...
I have a 3406E 5EK . The fan will not turn on with the manual switch or when the temperature gets high. The fan solenoid engages with the key on...