Hope this helps. A note though, the forward-most valve cover gets fresh, filtered air from the snorkel tube that comes from the air cleaner to the throttle body. A recall changed the source of this fresh air from the pipe along the firewall to the air cleaner, instead sourcing it from the snorkel tube in a futile attempt to prevent engine fires. The rear-most valve cover contains the PCV valve and goes directly to the bottom of the intake plenum.
The "Elek Vac Reg" in the picture is actually called the EGR vacuum control solenoid and it's 'diagnostic' switch. the hose that looks like it goes nowhere should actually be attached to the smaller pipe that runs along the firewall with the 'old, pre-recall' PCV fresh air pipe to the sir cleaner. This hose was left intact after the recall.
If you have cruise control, I believe it just has one line that gets hooked into a Tee that was installed in the canister's constant vacuum supply.
SOURCE: vacuum line diagram
if you get a chilton from any local parts store it should have them in there
SOURCE: 1986 Ford Ranger Vacuum lines wrong
Go to auto zone through this link And register for free then click select vehicle, add your vehicle and go to driveability and Emissions controls, than go to vacuum diagrams.
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