Step by step instructions : Always disconnect the battery before doing any electrical work on the car. Instructions: 1. Run the control wire: You will need to cut into your wiring for the Greasecar electrical system. Locate the wire that you ran from the main fuel selector switch to the 6-port valve. These wires. will default to the diesel fuel sender gauge, in the unlikely event of electrical problems. Now put 2 pieces of electrical tape on this wire close together, and cut the wire in between them.
Strip both ends of the wire that you just cut and insert one side into a butt splice. Crimp on the butt splice on one side. On top of the tank, you will notice both the fuel supply and return lines from the engine. download here