This will save you $800! Your voltage regulator is located inside of the PCM. Now I will show you how to install an external voltage regulator. Total cost $25.40
You will also need to add a length of wire to the barrel end of one of the wires. This wire will connect to a 12 volt source. You will need to find the positive field on the alternator.
Connect the eyelet ends of the wires to the alternator.
Once you have reinstalled your battery you can connect wire coming from the top terminal of the voltage regulator to the battery.