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Originally Posted by LantanaTX
Correction, the vacuum pump does not run full time. It is cycling about every 10 seconds. Is this acceptable or still a leak? The electrical connector that was not connected to anything was under the plenum just rear of the two very large rubber hoses in the center. It is a two wire connector which is water proof like all the others. It is coming out of a harness. I found nothing for it to connect to. I think I remember one the wires to be black/pink.
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What you describe might have been for the gas tank purge solenoid. The secondary solenoid is to the front of the crankcase vent tubes. The hard line for the purge runs to the back passenger corner of the plenum and connects to a 5/16 or 3/8 rubber hose that goes to the tank along the frame.
I don't know why somebody would get rid of that-it vents the pressure out of the tank every time you start it rather than having raw hydrocarbons vent to the air when you unscrew the cap.