When I bought my 88 F-150 with 4.9, AOD, 2 WD, the smog pump discharge had been routed right to the cat converter. The three way valve had been burned from apparently a leaking check valve on the line that goes to the manifold on the cylinder head. I am trying to get it ready for the state inspection and they do not always overlook these things. Well, I bought a new diverter valve and check valve and im ready to go except for one thing. These diverter valves have two actuating diaphrams and there is only one vacuum line connected to the old one. where are these lines supposed to be connected to? I suspect that there is some sort of a temperature activated vacuum switch somewhere but I cannot locate it. My vacuum control diagram is missing and I have not been able to locate one anywhere. If anyone has one that they can scan and email me I will thank you forever! My email is: mantta(No Email Addresses In Posts!)
Thanks!!!