Colour fix needed for US PS2 and Messiah

[Scruffman]

I just installed the messiah chip on my US v4 PS2.It work fine by PS1 games play in black and white.But when I use the component cable it plays in full colour.I know there is a colour fix but I didn't have any idear about doing it.Can someone please tell me about how to do it or some pics about it or some web sites that have how to do the colour fix.
THANK YOU