Big Red One

can anyone help me please have just bought a 93k wrx has lots of goodies on it including a (razo re15 turbo timer) does anyone know where i can get some instructions for it or how i can get it too work correctly has sometimes when it is on and i try to drive off it cuts out ( like it should ) don't want it going walks and other times i won't cut out and others times it won't even come on. so could someone help me please still new to all of this