fuel reg line help please

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towards the back of the motor. on the back theres a thing like a reg thats goes to the fuel rails i pulled the wire off both ends came off one sits on top of that reg and im not sure where the other wire plugs into that is a red wire maybe its a vac line
 
From what I remember of the stock setup there are no wires to the fuel regulator, just one vac line. If the red wire you are talking about is a hose that runs to the intake, then it belongs on the regulator. This vac line provides an indication to the regulator of how much fuel is needed. As air flow increases this vac line increases fuel flow.

Still not real sure I fully understand, but I hope it helps.