Nobody has one with a cab and heat??
I did some looking and there is a pipe coming out of the head right below the water neck and the temp sender and hydrapower cooler is "teed" in here. I am thinking this is the source of hot water?? Still unsure on the return side. Any pics or advice of what works/doesn't work would be great.
Alan- I don't have any interior pics but next time I drop down the overhead console I will take a few photos of the heater core that is up there.