Vacuum diagram, job done.
I found this off of Alldata that was available in the local library. They have a subscription.
I had to open the bundle coming out of the firewall to find the second vacuum hose coming out, but it was in great condition.
Thanks for all the help. With your...
Thanks for the sister site, I will check it out now.
The vacuum hose going inside is very small. In fact it is the first time I have seen such a small hose. It is very stiff and about 1/8" OD. Not the usual 1/8" ID that I am used to seeing. It may be a smidge smalller, but it is hard and...
Components
It seems to have
1. one line that runs inside the truck, within a wiring harness loom.
2. one nipple on what I think is a diaphram valve to switch from inside to outside air(maybe).
3. one nipple on what I think is the air conditioner evaporator box.
4. A tee with a diaphram...
Can anyone point me where to get a diagram for 1989 ford 7.3 diesel engine. It is a pretty simple looking setup, but the old hoses are completely rotted away and I have no idea where to start.
Thanks, Dan.