Remove the C-4 connector from the PCM. (Note: This is the lower plug on the computer with the GREEN connector.) Cut the yellow wire with the brown tracer, and strip the ends of the cut wires. Now install the provided electrical connectors with the female spade terminal on the wire that goes to the computer plug and the male spade connector on the wire that goes into the harness and to the transmission. Install the transmission pressure modification cable inline and reconnect the C-4 plug onto the computer. Connect the ground lead of the transmission pressure modification cable to the factory ground at the inside of the right front fender.