i have a 86 iroc with tpi. i have repalced fuel pump,pump relay and fuel filter--it got really late last night and i was trying to put a new fuel pump wiring harness on and i removed old wires but i dont know how to wire the new harness. my pump harness had only 3 wires and the new one has 4 . does anybody have a wiring schematic for a 86 iroc tpi or can any body please tell me where the wires need to connect to.i am talking about the wires in the tank connecting to pump and fuel level sender. i getting real desperate. this car is making me crazy-please help. thank you