It's a fairly straight forward upgrade:
http://tech.oldsgmail.com/eint_flash.html
I bought an extra pigtail connector so that I could use the pre terminated wires and just solder them together to make the new wire I need for this.
http://tech.oldsgmail.com/eint_flash.html
I bought an extra pigtail connector so that I could use the pre terminated wires and just solder them together to make the new wire I need for this.