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T-Rex Fuel pump/wiring relay 200 1983

You cannot easily eliminate your stock fuel injection relay. That would be advanced class wiring. It could be done, but I would not bother. What I am recommending is that you change only the pump wiring. The new relay will probably go in the car somewhere or in a protected area under the car, near the pump. The old wires to the pump will go to the new relay trigger and ground terminals. A new 10 gauge cable that you run from the battery will go to the new relay power. A new 10 or 12 gauge cable that you make will go from the relay to the pump power. A new 10 or 12 gauge cable that you make will go from the pump to ground. You should add a havey gauge cable fuse of the appropriate amperage in the new power cable to the relay. Leave the stock fuel injection relay alone. It is tied into grounds and things and it would take a while to figure out how to bypass it.

Philip






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